/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:49:09,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:49:09,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:49:09,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:49:09,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:49:09,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:49:09,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:49:09,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:49:09,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:49:09,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:49:09,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:49:09,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:49:09,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:49:09,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:49:09,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:49:09,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:49:09,374 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:49:09,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:49:09,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:49:09,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:49:09,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:49:09,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:49:09,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:49:09,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:49:09,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:49:09,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:09,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:49:09,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:49:09,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:49:09,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:49:09,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:49:09,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:49:09,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:49:09,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:49:09,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:49:09,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:49:09,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:49:09,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:49:09,618 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:49:09,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2022-03-01 16:49:09,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8149de1/39f0bc49996b42fb80806543ecc1bdaa/FLAG666217cd2 [2022-03-01 16:49:10,228 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:49:10,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2022-03-01 16:49:10,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8149de1/39f0bc49996b42fb80806543ecc1bdaa/FLAG666217cd2 [2022-03-01 16:49:10,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8149de1/39f0bc49996b42fb80806543ecc1bdaa [2022-03-01 16:49:10,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:49:10,666 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:49:10,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:10,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:49:10,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:49:10,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:10" (1/1) ... [2022-03-01 16:49:10,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ca00e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:10, skipping insertion in model container [2022-03-01 16:49:10,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:10" (1/1) ... [2022-03-01 16:49:10,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:49:10,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:49:11,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:11,199 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:49:11,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:11,316 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:49:11,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11 WrapperNode [2022-03-01 16:49:11,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:11,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:11,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:49:11,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:49:11,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,387 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-03-01 16:49:11,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:11,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:49:11,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:49:11,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:49:11,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:49:11,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:49:11,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:49:11,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:49:11,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (1/1) ... [2022-03-01 16:49:11,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:11,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:11,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:49:11,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:49:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:49:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:49:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:49:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:49:11,523 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:49:11,688 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:49:11,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:49:11,897 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:49:11,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:49:11,903 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 16:49:11,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:11 BoogieIcfgContainer [2022-03-01 16:49:11,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:49:11,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:49:11,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:49:11,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:49:11,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:49:10" (1/3) ... [2022-03-01 16:49:11,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cb2b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:11, skipping insertion in model container [2022-03-01 16:49:11,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:11" (2/3) ... [2022-03-01 16:49:11,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cb2b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:11, skipping insertion in model container [2022-03-01 16:49:11,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:11" (3/3) ... [2022-03-01 16:49:11,911 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2022-03-01 16:49:11,915 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:49:11,916 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:49:11,916 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-01 16:49:11,916 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:49:11,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:11,981 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:49:12,031 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:49:12,037 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:49:12,038 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-01 16:49:12,052 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 103 transitions, 211 flow [2022-03-01 16:49:12,116 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:49:12,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:12,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:12,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:12,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1298122157, now seen corresponding path program 1 times [2022-03-01 16:49:12,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:12,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117723255] [2022-03-01 16:49:12,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:12,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:12,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:12,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117723255] [2022-03-01 16:49:12,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117723255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:12,298 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:12,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:49:12,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826358050] [2022-03-01 16:49:12,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:12,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:49:12,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:12,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:49:12,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:12,338 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:12,395 INFO L93 Difference]: Finished difference Result 1102 states and 2105 transitions. [2022-03-01 16:49:12,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:49:12,399 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:49:12,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:12,427 INFO L225 Difference]: With dead ends: 1102 [2022-03-01 16:49:12,427 INFO L226 Difference]: Without dead ends: 1090 [2022-03-01 16:49:12,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:12,432 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:12,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:12,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2022-03-01 16:49:12,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2022-03-01 16:49:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1080 states have (on average 1.9277777777777778) internal successors, (2082), 1089 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2082 transitions. [2022-03-01 16:49:12,539 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2082 transitions. Word has length 37 [2022-03-01 16:49:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:12,540 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 2082 transitions. [2022-03-01 16:49:12,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2082 transitions. [2022-03-01 16:49:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:49:12,542 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:12,542 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:12,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:49:12,543 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:12,544 INFO L85 PathProgramCache]: Analyzing trace with hash -779087186, now seen corresponding path program 1 times [2022-03-01 16:49:12,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:12,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714139916] [2022-03-01 16:49:12,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:12,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:12,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:12,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714139916] [2022-03-01 16:49:12,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714139916] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:12,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:12,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:49:12,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362508319] [2022-03-01 16:49:12,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:12,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:49:12,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:12,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:49:12,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:12,626 INFO L87 Difference]: Start difference. First operand 1090 states and 2082 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:12,660 INFO L93 Difference]: Finished difference Result 1094 states and 2086 transitions. [2022-03-01 16:49:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:49:12,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:49:12,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:12,667 INFO L225 Difference]: With dead ends: 1094 [2022-03-01 16:49:12,667 INFO L226 Difference]: Without dead ends: 1094 [2022-03-01 16:49:12,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:12,668 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 3 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:12,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 184 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-03-01 16:49:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1091. [2022-03-01 16:49:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1081 states have (on average 1.9269195189639223) internal successors, (2083), 1090 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2083 transitions. [2022-03-01 16:49:12,715 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2083 transitions. Word has length 37 [2022-03-01 16:49:12,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:12,715 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 2083 transitions. [2022-03-01 16:49:12,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2083 transitions. [2022-03-01 16:49:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-01 16:49:12,722 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:12,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:12,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:49:12,722 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash 624473633, now seen corresponding path program 1 times [2022-03-01 16:49:12,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:12,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462277660] [2022-03-01 16:49:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:12,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:12,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462277660] [2022-03-01 16:49:12,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462277660] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:12,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811033532] [2022-03-01 16:49:12,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:12,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:12,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:12,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:12,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:49:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:12,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:49:12,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:13,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:13,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811033532] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:13,223 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:13,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:49:13,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751212292] [2022-03-01 16:49:13,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:13,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:13,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:13,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:13,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:13,225 INFO L87 Difference]: Start difference. First operand 1091 states and 2083 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:13,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:13,323 INFO L93 Difference]: Finished difference Result 1101 states and 2093 transitions. [2022-03-01 16:49:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:13,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-03-01 16:49:13,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:13,342 INFO L225 Difference]: With dead ends: 1101 [2022-03-01 16:49:13,343 INFO L226 Difference]: Without dead ends: 1101 [2022-03-01 16:49:13,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:13,344 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:13,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 547 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:13,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-03-01 16:49:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2022-03-01 16:49:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1091 states have (on average 1.9184234647112741) internal successors, (2093), 1100 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 2093 transitions. [2022-03-01 16:49:13,370 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 2093 transitions. Word has length 42 [2022-03-01 16:49:13,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:13,370 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 2093 transitions. [2022-03-01 16:49:13,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2093 transitions. [2022-03-01 16:49:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-01 16:49:13,372 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:13,373 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:13,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:13,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:13,588 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 653292097, now seen corresponding path program 2 times [2022-03-01 16:49:13,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:13,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431448629] [2022-03-01 16:49:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:13,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:13,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431448629] [2022-03-01 16:49:13,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431448629] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:13,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276108003] [2022-03-01 16:49:13,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:13,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:13,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:13,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:49:13,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:13,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:13,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:13,914 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 16:49:13,950 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-01 16:49:13,950 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-01 16:49:13,996 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-01 16:49:13,997 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-01 16:49:14,063 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-01 16:49:14,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-01 16:49:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:49:14,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:14,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276108003] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:14,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:14,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-01 16:49:14,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135485523] [2022-03-01 16:49:14,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:14,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:14,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:14,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:14,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:14,095 INFO L87 Difference]: Start difference. First operand 1101 states and 2093 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:14,310 INFO L93 Difference]: Finished difference Result 1172 states and 2227 transitions. [2022-03-01 16:49:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:14,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-03-01 16:49:14,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:14,347 INFO L225 Difference]: With dead ends: 1172 [2022-03-01 16:49:14,347 INFO L226 Difference]: Without dead ends: 1172 [2022-03-01 16:49:14,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:14,349 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 124 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:14,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 376 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:14,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-03-01 16:49:14,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1124. [2022-03-01 16:49:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1116 states have (on average 1.9130824372759856) internal successors, (2135), 1123 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 2135 transitions. [2022-03-01 16:49:14,374 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 2135 transitions. Word has length 52 [2022-03-01 16:49:14,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:14,375 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 2135 transitions. [2022-03-01 16:49:14,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2135 transitions. [2022-03-01 16:49:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-01 16:49:14,376 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:14,376 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:14,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:14,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-01 16:49:14,596 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:14,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:14,596 INFO L85 PathProgramCache]: Analyzing trace with hash -406389930, now seen corresponding path program 1 times [2022-03-01 16:49:14,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:14,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883155981] [2022-03-01 16:49:14,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:14,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:14,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:14,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883155981] [2022-03-01 16:49:14,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883155981] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:14,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639764467] [2022-03-01 16:49:14,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:14,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:14,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:14,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:14,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:49:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:14,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:49:14,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:14,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639764467] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:15,107 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:15,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-01 16:49:15,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521203359] [2022-03-01 16:49:15,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:15,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:49:15,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:15,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:49:15,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:15,110 INFO L87 Difference]: Start difference. First operand 1124 states and 2135 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:15,283 INFO L93 Difference]: Finished difference Result 1144 states and 2155 transitions. [2022-03-01 16:49:15,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:49:15,284 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-03-01 16:49:15,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:15,288 INFO L225 Difference]: With dead ends: 1144 [2022-03-01 16:49:15,289 INFO L226 Difference]: Without dead ends: 1144 [2022-03-01 16:49:15,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:49:15,290 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 34 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:15,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 825 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:15,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-03-01 16:49:15,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2022-03-01 16:49:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1136 states have (on average 1.8970070422535212) internal successors, (2155), 1143 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2155 transitions. [2022-03-01 16:49:15,317 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2155 transitions. Word has length 60 [2022-03-01 16:49:15,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:15,317 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2155 transitions. [2022-03-01 16:49:15,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2155 transitions. [2022-03-01 16:49:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-03-01 16:49:15,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:15,319 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:15,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:15,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:15,532 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:15,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:15,532 INFO L85 PathProgramCache]: Analyzing trace with hash 232143766, now seen corresponding path program 2 times [2022-03-01 16:49:15,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:15,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751641165] [2022-03-01 16:49:15,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:15,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751641165] [2022-03-01 16:49:15,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751641165] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:15,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476495895] [2022-03-01 16:49:15,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:15,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:15,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:15,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:15,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:49:15,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:15,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:15,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:15,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:15,922 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 16:49:15,950 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-01 16:49:15,951 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-01 16:49:15,994 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-01 16:49:15,994 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-01 16:49:16,051 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-01 16:49:16,051 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-01 16:49:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-01 16:49:16,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:16,078 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476495895] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:16,078 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:16,078 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-03-01 16:49:16,078 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234746198] [2022-03-01 16:49:16,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:16,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:16,079 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:16,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:16,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:16,079 INFO L87 Difference]: Start difference. First operand 1144 states and 2155 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:16,251 INFO L93 Difference]: Finished difference Result 1254 states and 2361 transitions. [2022-03-01 16:49:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-03-01 16:49:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:16,257 INFO L225 Difference]: With dead ends: 1254 [2022-03-01 16:49:16,257 INFO L226 Difference]: Without dead ends: 1110 [2022-03-01 16:49:16,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:16,258 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 118 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:16,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 397 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-03-01 16:49:16,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1068. [2022-03-01 16:49:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1061 states have (on average 1.878416588124411) internal successors, (1993), 1067 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1993 transitions. [2022-03-01 16:49:16,283 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1993 transitions. Word has length 80 [2022-03-01 16:49:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:16,283 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1993 transitions. [2022-03-01 16:49:16,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1993 transitions. [2022-03-01 16:49:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-01 16:49:16,284 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:16,284 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:16,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:16,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,509 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:16,509 INFO L85 PathProgramCache]: Analyzing trace with hash -109360466, now seen corresponding path program 1 times [2022-03-01 16:49:16,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:16,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75045250] [2022-03-01 16:49:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:16,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75045250] [2022-03-01 16:49:16,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75045250] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:16,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479228266] [2022-03-01 16:49:16,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:16,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:16,700 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:16,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:49:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-01 16:49:16,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:17,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479228266] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:17,160 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:17,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-01 16:49:17,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593006427] [2022-03-01 16:49:17,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:17,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:49:17,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:49:17,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:17,162 INFO L87 Difference]: Start difference. First operand 1068 states and 1993 transitions. Second operand has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:17,449 INFO L93 Difference]: Finished difference Result 1083 states and 2008 transitions. [2022-03-01 16:49:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:49:17,450 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-03-01 16:49:17,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:17,454 INFO L225 Difference]: With dead ends: 1083 [2022-03-01 16:49:17,455 INFO L226 Difference]: Without dead ends: 1083 [2022-03-01 16:49:17,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:17,456 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 38 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:17,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 812 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2022-03-01 16:49:17,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2022-03-01 16:49:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8661710037174721) internal successors, (2008), 1082 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 2008 transitions. [2022-03-01 16:49:17,494 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 2008 transitions. Word has length 81 [2022-03-01 16:49:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:17,494 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 2008 transitions. [2022-03-01 16:49:17,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2008 transitions. [2022-03-01 16:49:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-03-01 16:49:17,495 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:17,495 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:17,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:17,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:17,719 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:17,719 INFO L85 PathProgramCache]: Analyzing trace with hash 827906497, now seen corresponding path program 2 times [2022-03-01 16:49:17,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:17,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591772759] [2022-03-01 16:49:17,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:17,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:17,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:17,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591772759] [2022-03-01 16:49:17,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591772759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:17,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:17,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:17,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246596054] [2022-03-01 16:49:17,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:17,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:17,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:17,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:17,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:17,849 INFO L87 Difference]: Start difference. First operand 1083 states and 2008 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:18,053 INFO L93 Difference]: Finished difference Result 1208 states and 2250 transitions. [2022-03-01 16:49:18,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:18,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-03-01 16:49:18,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:18,059 INFO L225 Difference]: With dead ends: 1208 [2022-03-01 16:49:18,059 INFO L226 Difference]: Without dead ends: 1208 [2022-03-01 16:49:18,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:18,060 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 88 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:18,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 537 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-03-01 16:49:18,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1132. [2022-03-01 16:49:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1125 states have (on average 1.8684444444444444) internal successors, (2102), 1131 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 2102 transitions. [2022-03-01 16:49:18,086 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 2102 transitions. Word has length 96 [2022-03-01 16:49:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:18,086 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 2102 transitions. [2022-03-01 16:49:18,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2102 transitions. [2022-03-01 16:49:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-01 16:49:18,087 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:18,088 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:18,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 16:49:18,088 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:18,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:18,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1432249786, now seen corresponding path program 1 times [2022-03-01 16:49:18,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:18,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141123657] [2022-03-01 16:49:18,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:18,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:18,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141123657] [2022-03-01 16:49:18,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141123657] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:18,177 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:18,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:18,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311860325] [2022-03-01 16:49:18,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:18,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:18,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:18,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:18,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:18,178 INFO L87 Difference]: Start difference. First operand 1132 states and 2102 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:18,294 INFO L93 Difference]: Finished difference Result 1248 states and 2309 transitions. [2022-03-01 16:49:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:18,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-03-01 16:49:18,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:18,299 INFO L225 Difference]: With dead ends: 1248 [2022-03-01 16:49:18,299 INFO L226 Difference]: Without dead ends: 951 [2022-03-01 16:49:18,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:18,300 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 97 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:18,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 300 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:18,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-03-01 16:49:18,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 927. [2022-03-01 16:49:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 920 states have (on average 1.8141304347826086) internal successors, (1669), 926 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1669 transitions. [2022-03-01 16:49:18,320 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1669 transitions. Word has length 104 [2022-03-01 16:49:18,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:18,321 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1669 transitions. [2022-03-01 16:49:18,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1669 transitions. [2022-03-01 16:49:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:18,322 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:18,322 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:18,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:49:18,323 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:18,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:18,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1475514096, now seen corresponding path program 1 times [2022-03-01 16:49:18,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:18,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029438165] [2022-03-01 16:49:18,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:18,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:18,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:18,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029438165] [2022-03-01 16:49:18,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029438165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:18,878 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:18,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:18,879 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387643106] [2022-03-01 16:49:18,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:18,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:18,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:18,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:18,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:18,880 INFO L87 Difference]: Start difference. First operand 927 states and 1669 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:20,081 INFO L93 Difference]: Finished difference Result 1084 states and 1951 transitions. [2022-03-01 16:49:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:49:20,082 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:20,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:20,089 INFO L225 Difference]: With dead ends: 1084 [2022-03-01 16:49:20,089 INFO L226 Difference]: Without dead ends: 1084 [2022-03-01 16:49:20,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:49:20,090 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 675 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:20,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 1347 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:49:20,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-03-01 16:49:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 932. [2022-03-01 16:49:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 925 states have (on average 1.8097297297297297) internal successors, (1674), 931 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1674 transitions. [2022-03-01 16:49:20,113 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1674 transitions. Word has length 110 [2022-03-01 16:49:20,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:20,113 INFO L470 AbstractCegarLoop]: Abstraction has 932 states and 1674 transitions. [2022-03-01 16:49:20,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1674 transitions. [2022-03-01 16:49:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:20,114 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:20,115 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:20,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:49:20,115 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:20,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1432498022, now seen corresponding path program 2 times [2022-03-01 16:49:20,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:20,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504089178] [2022-03-01 16:49:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:20,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:20,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504089178] [2022-03-01 16:49:20,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504089178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:20,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:20,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:20,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920747403] [2022-03-01 16:49:20,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:20,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:20,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:20,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:20,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:20,433 INFO L87 Difference]: Start difference. First operand 932 states and 1674 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:21,023 INFO L93 Difference]: Finished difference Result 976 states and 1747 transitions. [2022-03-01 16:49:21,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:21,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:21,028 INFO L225 Difference]: With dead ends: 976 [2022-03-01 16:49:21,028 INFO L226 Difference]: Without dead ends: 976 [2022-03-01 16:49:21,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:49:21,029 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 142 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:21,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 587 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2022-03-01 16:49:21,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 933. [2022-03-01 16:49:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 926 states have (on average 1.8099352051835853) internal successors, (1676), 932 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1676 transitions. [2022-03-01 16:49:21,047 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1676 transitions. Word has length 110 [2022-03-01 16:49:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:21,047 INFO L470 AbstractCegarLoop]: Abstraction has 933 states and 1676 transitions. [2022-03-01 16:49:21,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1676 transitions. [2022-03-01 16:49:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:21,049 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:21,049 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:21,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:49:21,049 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash -590607614, now seen corresponding path program 3 times [2022-03-01 16:49:21,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:21,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101366923] [2022-03-01 16:49:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:21,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:21,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101366923] [2022-03-01 16:49:21,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101366923] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:21,524 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:21,524 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:21,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414466163] [2022-03-01 16:49:21,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:21,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:21,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:21,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:21,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:21,526 INFO L87 Difference]: Start difference. First operand 933 states and 1676 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:22,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:22,894 INFO L93 Difference]: Finished difference Result 1097 states and 1973 transitions. [2022-03-01 16:49:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:49:22,894 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:22,899 INFO L225 Difference]: With dead ends: 1097 [2022-03-01 16:49:22,899 INFO L226 Difference]: Without dead ends: 1097 [2022-03-01 16:49:22,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:49:22,900 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 746 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:22,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 1241 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:49:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-03-01 16:49:22,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 937. [2022-03-01 16:49:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 930 states have (on average 1.810752688172043) internal successors, (1684), 936 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1684 transitions. [2022-03-01 16:49:22,919 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1684 transitions. Word has length 110 [2022-03-01 16:49:22,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:22,920 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1684 transitions. [2022-03-01 16:49:22,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1684 transitions. [2022-03-01 16:49:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:22,921 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:22,921 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:22,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 16:49:22,922 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash -822391322, now seen corresponding path program 4 times [2022-03-01 16:49:22,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:22,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829369234] [2022-03-01 16:49:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:23,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:23,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829369234] [2022-03-01 16:49:23,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829369234] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:23,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:23,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:23,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623287007] [2022-03-01 16:49:23,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:23,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:23,453 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:23,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:23,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:23,454 INFO L87 Difference]: Start difference. First operand 937 states and 1684 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:24,705 INFO L93 Difference]: Finished difference Result 1116 states and 2006 transitions. [2022-03-01 16:49:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:49:24,705 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:24,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:24,709 INFO L225 Difference]: With dead ends: 1116 [2022-03-01 16:49:24,709 INFO L226 Difference]: Without dead ends: 1116 [2022-03-01 16:49:24,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:24,710 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 618 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:24,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [618 Valid, 980 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:24,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-03-01 16:49:24,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 939. [2022-03-01 16:49:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 932 states have (on average 1.8111587982832618) internal successors, (1688), 938 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1688 transitions. [2022-03-01 16:49:24,728 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1688 transitions. Word has length 110 [2022-03-01 16:49:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:24,728 INFO L470 AbstractCegarLoop]: Abstraction has 939 states and 1688 transitions. [2022-03-01 16:49:24,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1688 transitions. [2022-03-01 16:49:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:24,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:24,730 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:24,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 16:49:24,730 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:24,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:24,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1449470338, now seen corresponding path program 5 times [2022-03-01 16:49:24,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:24,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538850102] [2022-03-01 16:49:24,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:24,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:25,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:25,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538850102] [2022-03-01 16:49:25,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538850102] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:25,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:25,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:25,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105341290] [2022-03-01 16:49:25,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:25,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:25,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:25,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:25,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:25,192 INFO L87 Difference]: Start difference. First operand 939 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:26,714 INFO L93 Difference]: Finished difference Result 1128 states and 2026 transitions. [2022-03-01 16:49:26,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:49:26,715 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:26,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:26,719 INFO L225 Difference]: With dead ends: 1128 [2022-03-01 16:49:26,719 INFO L226 Difference]: Without dead ends: 1128 [2022-03-01 16:49:26,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=383, Invalid=1339, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:26,720 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 648 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:26,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 1571 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:49:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-03-01 16:49:26,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 938. [2022-03-01 16:49:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 931 states have (on average 1.8109559613319013) internal successors, (1686), 937 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1686 transitions. [2022-03-01 16:49:26,739 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1686 transitions. Word has length 110 [2022-03-01 16:49:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:26,739 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 1686 transitions. [2022-03-01 16:49:26,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1686 transitions. [2022-03-01 16:49:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:26,741 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:26,741 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:26,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:49:26,741 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:26,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:26,741 INFO L85 PathProgramCache]: Analyzing trace with hash -280766288, now seen corresponding path program 6 times [2022-03-01 16:49:26,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:26,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794416461] [2022-03-01 16:49:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:26,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:27,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:27,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794416461] [2022-03-01 16:49:27,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794416461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:27,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:27,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:27,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451265886] [2022-03-01 16:49:27,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:27,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:27,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:27,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:27,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:27,193 INFO L87 Difference]: Start difference. First operand 938 states and 1686 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:28,165 INFO L93 Difference]: Finished difference Result 1108 states and 1995 transitions. [2022-03-01 16:49:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:49:28,166 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:28,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:28,170 INFO L225 Difference]: With dead ends: 1108 [2022-03-01 16:49:28,170 INFO L226 Difference]: Without dead ends: 1108 [2022-03-01 16:49:28,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:49:28,173 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 611 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:28,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 1239 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:28,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-03-01 16:49:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 942. [2022-03-01 16:49:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 935 states have (on average 1.811764705882353) internal successors, (1694), 941 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1694 transitions. [2022-03-01 16:49:28,191 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1694 transitions. Word has length 110 [2022-03-01 16:49:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:28,191 INFO L470 AbstractCegarLoop]: Abstraction has 942 states and 1694 transitions. [2022-03-01 16:49:28,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1694 transitions. [2022-03-01 16:49:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:28,193 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:28,193 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:28,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:49:28,193 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:28,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:28,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1073377992, now seen corresponding path program 7 times [2022-03-01 16:49:28,194 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:28,194 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725640625] [2022-03-01 16:49:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:28,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:28,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:28,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725640625] [2022-03-01 16:49:28,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725640625] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:28,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:28,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:28,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618149476] [2022-03-01 16:49:28,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:28,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:28,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:28,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:28,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:28,728 INFO L87 Difference]: Start difference. First operand 942 states and 1694 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:30,003 INFO L93 Difference]: Finished difference Result 1128 states and 2030 transitions. [2022-03-01 16:49:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:49:30,003 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:30,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:30,007 INFO L225 Difference]: With dead ends: 1128 [2022-03-01 16:49:30,007 INFO L226 Difference]: Without dead ends: 1128 [2022-03-01 16:49:30,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:30,008 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 661 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:30,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [661 Valid, 1017 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-03-01 16:49:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 945. [2022-03-01 16:49:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 938 states have (on average 1.812366737739872) internal successors, (1700), 944 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1700 transitions. [2022-03-01 16:49:30,024 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1700 transitions. Word has length 110 [2022-03-01 16:49:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:30,025 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1700 transitions. [2022-03-01 16:49:30,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1700 transitions. [2022-03-01 16:49:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:30,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:30,026 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:30,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 16:49:30,027 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:30,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1198483668, now seen corresponding path program 8 times [2022-03-01 16:49:30,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:30,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406617364] [2022-03-01 16:49:30,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:30,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:30,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406617364] [2022-03-01 16:49:30,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406617364] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:30,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:30,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:30,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179440548] [2022-03-01 16:49:30,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:30,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:30,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:30,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:30,499 INFO L87 Difference]: Start difference. First operand 945 states and 1700 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:31,670 INFO L93 Difference]: Finished difference Result 1140 states and 2050 transitions. [2022-03-01 16:49:31,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:49:31,671 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:31,674 INFO L225 Difference]: With dead ends: 1140 [2022-03-01 16:49:31,674 INFO L226 Difference]: Without dead ends: 1140 [2022-03-01 16:49:31,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=382, Invalid=1340, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:31,675 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 638 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:31,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [638 Valid, 973 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-03-01 16:49:31,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 944. [2022-03-01 16:49:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 937 states have (on average 1.8121664887940234) internal successors, (1698), 943 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1698 transitions. [2022-03-01 16:49:31,692 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1698 transitions. Word has length 110 [2022-03-01 16:49:31,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:31,692 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1698 transitions. [2022-03-01 16:49:31,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1698 transitions. [2022-03-01 16:49:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:31,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:31,694 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:31,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 16:49:31,694 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:31,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:31,694 INFO L85 PathProgramCache]: Analyzing trace with hash -531752958, now seen corresponding path program 9 times [2022-03-01 16:49:31,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:31,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846051127] [2022-03-01 16:49:31,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:31,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:32,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:32,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846051127] [2022-03-01 16:49:32,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846051127] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:32,147 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:32,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:32,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028024871] [2022-03-01 16:49:32,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:32,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:32,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:32,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:32,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:32,148 INFO L87 Difference]: Start difference. First operand 944 states and 1698 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:33,448 INFO L93 Difference]: Finished difference Result 1150 states and 2070 transitions. [2022-03-01 16:49:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:49:33,448 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:33,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:33,452 INFO L225 Difference]: With dead ends: 1150 [2022-03-01 16:49:33,452 INFO L226 Difference]: Without dead ends: 1150 [2022-03-01 16:49:33,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:33,453 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 645 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:33,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 1037 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-03-01 16:49:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 943. [2022-03-01 16:49:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 936 states have (on average 1.811965811965812) internal successors, (1696), 942 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1696 transitions. [2022-03-01 16:49:33,470 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1696 transitions. Word has length 110 [2022-03-01 16:49:33,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:33,470 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1696 transitions. [2022-03-01 16:49:33,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1696 transitions. [2022-03-01 16:49:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:33,471 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:33,471 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:33,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 16:49:33,472 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:33,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:33,472 INFO L85 PathProgramCache]: Analyzing trace with hash -26692798, now seen corresponding path program 10 times [2022-03-01 16:49:33,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:33,472 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39718568] [2022-03-01 16:49:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:33,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:33,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39718568] [2022-03-01 16:49:33,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39718568] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:33,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:33,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:33,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044924978] [2022-03-01 16:49:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:33,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:33,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:33,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:33,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:33,747 INFO L87 Difference]: Start difference. First operand 943 states and 1696 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:34,161 INFO L93 Difference]: Finished difference Result 991 states and 1782 transitions. [2022-03-01 16:49:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:34,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:34,165 INFO L225 Difference]: With dead ends: 991 [2022-03-01 16:49:34,165 INFO L226 Difference]: Without dead ends: 991 [2022-03-01 16:49:34,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:49:34,166 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 78 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:34,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 506 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:34,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-03-01 16:49:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 947. [2022-03-01 16:49:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 940 states have (on average 1.8127659574468085) internal successors, (1704), 946 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1704 transitions. [2022-03-01 16:49:34,181 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1704 transitions. Word has length 110 [2022-03-01 16:49:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:34,181 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1704 transitions. [2022-03-01 16:49:34,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1704 transitions. [2022-03-01 16:49:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:34,183 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:34,183 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:34,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:49:34,183 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:34,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:34,183 INFO L85 PathProgramCache]: Analyzing trace with hash 18344714, now seen corresponding path program 11 times [2022-03-01 16:49:34,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:34,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553373028] [2022-03-01 16:49:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:34,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:34,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553373028] [2022-03-01 16:49:34,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553373028] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:34,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:34,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:34,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272137578] [2022-03-01 16:49:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:34,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:34,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:34,465 INFO L87 Difference]: Start difference. First operand 947 states and 1704 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:34,884 INFO L93 Difference]: Finished difference Result 1628 states and 2954 transitions. [2022-03-01 16:49:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:34,884 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:34,889 INFO L225 Difference]: With dead ends: 1628 [2022-03-01 16:49:34,889 INFO L226 Difference]: Without dead ends: 1628 [2022-03-01 16:49:34,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:34,890 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 233 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:34,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 368 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:34,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2022-03-01 16:49:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1103. [2022-03-01 16:49:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 1096 states have (on average 1.8385036496350364) internal successors, (2015), 1102 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 2015 transitions. [2022-03-01 16:49:34,914 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 2015 transitions. Word has length 110 [2022-03-01 16:49:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:34,914 INFO L470 AbstractCegarLoop]: Abstraction has 1103 states and 2015 transitions. [2022-03-01 16:49:34,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 2015 transitions. [2022-03-01 16:49:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:34,916 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:34,916 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:34,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 16:49:34,916 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:34,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:34,917 INFO L85 PathProgramCache]: Analyzing trace with hash -724763226, now seen corresponding path program 1 times [2022-03-01 16:49:34,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:34,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102202673] [2022-03-01 16:49:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:34,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:35,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:35,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102202673] [2022-03-01 16:49:35,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102202673] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:35,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:35,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:49:35,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738885255] [2022-03-01 16:49:35,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:35,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:49:35,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:35,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:49:35,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:49:35,405 INFO L87 Difference]: Start difference. First operand 1103 states and 2015 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:37,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:37,678 INFO L93 Difference]: Finished difference Result 1733 states and 3145 transitions. [2022-03-01 16:49:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:49:37,678 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:37,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:37,683 INFO L225 Difference]: With dead ends: 1733 [2022-03-01 16:49:37,683 INFO L226 Difference]: Without dead ends: 1733 [2022-03-01 16:49:37,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1153, Invalid=3269, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:49:37,684 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1078 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:37,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1078 Valid, 894 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:49:37,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2022-03-01 16:49:37,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1105. [2022-03-01 16:49:37,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.837887067395264) internal successors, (2018), 1104 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 2018 transitions. [2022-03-01 16:49:37,705 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 2018 transitions. Word has length 110 [2022-03-01 16:49:37,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:37,705 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 2018 transitions. [2022-03-01 16:49:37,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2018 transitions. [2022-03-01 16:49:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:37,716 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:37,716 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:37,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 16:49:37,717 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:37,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2136923978, now seen corresponding path program 12 times [2022-03-01 16:49:37,717 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:37,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784941223] [2022-03-01 16:49:37,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:37,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:38,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:38,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784941223] [2022-03-01 16:49:38,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784941223] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:38,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:38,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:38,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048488010] [2022-03-01 16:49:38,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:38,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:38,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:38,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:38,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:38,245 INFO L87 Difference]: Start difference. First operand 1105 states and 2018 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:39,470 INFO L93 Difference]: Finished difference Result 1614 states and 2945 transitions. [2022-03-01 16:49:39,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:49:39,471 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:39,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:39,474 INFO L225 Difference]: With dead ends: 1614 [2022-03-01 16:49:39,475 INFO L226 Difference]: Without dead ends: 1614 [2022-03-01 16:49:39,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=344, Invalid=1296, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:39,476 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 680 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:39,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [680 Valid, 1050 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:39,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2022-03-01 16:49:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1110. [2022-03-01 16:49:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.8386219401631914) internal successors, (2028), 1109 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2028 transitions. [2022-03-01 16:49:39,498 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2028 transitions. Word has length 110 [2022-03-01 16:49:39,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:39,498 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2028 transitions. [2022-03-01 16:49:39,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2028 transitions. [2022-03-01 16:49:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:39,500 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:39,500 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:39,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 16:49:39,500 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:39,501 INFO L85 PathProgramCache]: Analyzing trace with hash 113818342, now seen corresponding path program 13 times [2022-03-01 16:49:39,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:39,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275178943] [2022-03-01 16:49:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:39,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:39,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:39,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275178943] [2022-03-01 16:49:39,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275178943] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:39,945 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:39,945 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:39,945 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647605809] [2022-03-01 16:49:39,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:39,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:39,946 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:39,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:39,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:39,946 INFO L87 Difference]: Start difference. First operand 1110 states and 2028 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:41,475 INFO L93 Difference]: Finished difference Result 1794 states and 3271 transitions. [2022-03-01 16:49:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:49:41,475 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:41,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:41,478 INFO L225 Difference]: With dead ends: 1794 [2022-03-01 16:49:41,478 INFO L226 Difference]: Without dead ends: 1794 [2022-03-01 16:49:41,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=449, Invalid=1531, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 16:49:41,479 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 838 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:41,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [838 Valid, 949 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:49:41,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-03-01 16:49:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1112. [2022-03-01 16:49:41,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1105 states have (on average 1.8389140271493212) internal successors, (2032), 1111 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2032 transitions. [2022-03-01 16:49:41,497 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2032 transitions. Word has length 110 [2022-03-01 16:49:41,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:41,498 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2032 transitions. [2022-03-01 16:49:41,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2032 transitions. [2022-03-01 16:49:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:41,500 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:41,500 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:41,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-01 16:49:41,500 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1616418284, now seen corresponding path program 14 times [2022-03-01 16:49:41,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:41,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106771644] [2022-03-01 16:49:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:41,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:41,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:41,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106771644] [2022-03-01 16:49:41,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106771644] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:41,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:41,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:41,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995694616] [2022-03-01 16:49:41,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:41,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:41,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:41,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:41,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:41,799 INFO L87 Difference]: Start difference. First operand 1112 states and 2032 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:42,396 INFO L93 Difference]: Finished difference Result 1553 states and 2831 transitions. [2022-03-01 16:49:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:42,397 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:42,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:42,399 INFO L225 Difference]: With dead ends: 1553 [2022-03-01 16:49:42,399 INFO L226 Difference]: Without dead ends: 1553 [2022-03-01 16:49:42,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:42,400 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 141 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:42,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 553 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-03-01 16:49:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1111. [2022-03-01 16:49:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1104 states have (on average 1.838768115942029) internal successors, (2030), 1110 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2030 transitions. [2022-03-01 16:49:42,417 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2030 transitions. Word has length 110 [2022-03-01 16:49:42,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:42,418 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2030 transitions. [2022-03-01 16:49:42,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2030 transitions. [2022-03-01 16:49:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:42,420 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:42,420 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:42,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 16:49:42,420 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:42,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:42,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1111358124, now seen corresponding path program 15 times [2022-03-01 16:49:42,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:42,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475009759] [2022-03-01 16:49:42,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:42,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:42,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:42,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475009759] [2022-03-01 16:49:42,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475009759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:42,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:42,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:42,857 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260532938] [2022-03-01 16:49:42,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:42,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:42,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:42,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:42,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:42,858 INFO L87 Difference]: Start difference. First operand 1111 states and 2030 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:44,090 INFO L93 Difference]: Finished difference Result 1793 states and 3273 transitions. [2022-03-01 16:49:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:49:44,090 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:44,093 INFO L225 Difference]: With dead ends: 1793 [2022-03-01 16:49:44,094 INFO L226 Difference]: Without dead ends: 1793 [2022-03-01 16:49:44,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 16:49:44,095 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 837 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:44,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [837 Valid, 877 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2022-03-01 16:49:44,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1110. [2022-03-01 16:49:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.8386219401631914) internal successors, (2028), 1109 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2028 transitions. [2022-03-01 16:49:44,114 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2028 transitions. Word has length 110 [2022-03-01 16:49:44,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:44,114 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2028 transitions. [2022-03-01 16:49:44,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2028 transitions. [2022-03-01 16:49:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:44,116 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:44,116 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:44,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 16:49:44,116 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:44,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:44,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1433930264, now seen corresponding path program 16 times [2022-03-01 16:49:44,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:44,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009586899] [2022-03-01 16:49:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:44,432 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:44,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009586899] [2022-03-01 16:49:44,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009586899] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:44,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:44,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:44,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606225294] [2022-03-01 16:49:44,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:44,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:44,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:44,433 INFO L87 Difference]: Start difference. First operand 1110 states and 2028 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:44,959 INFO L93 Difference]: Finished difference Result 1513 states and 2755 transitions. [2022-03-01 16:49:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:44,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:44,962 INFO L225 Difference]: With dead ends: 1513 [2022-03-01 16:49:44,962 INFO L226 Difference]: Without dead ends: 1513 [2022-03-01 16:49:44,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:44,963 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 150 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:44,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 419 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:44,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2022-03-01 16:49:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1105. [2022-03-01 16:49:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.837887067395264) internal successors, (2018), 1104 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 2018 transitions. [2022-03-01 16:49:44,980 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 2018 transitions. Word has length 110 [2022-03-01 16:49:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:44,981 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 2018 transitions. [2022-03-01 16:49:44,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2018 transitions. [2022-03-01 16:49:44,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:44,982 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:44,983 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:44,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 16:49:44,983 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:44,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:44,983 INFO L85 PathProgramCache]: Analyzing trace with hash -347285014, now seen corresponding path program 1 times [2022-03-01 16:49:44,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:44,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806834449] [2022-03-01 16:49:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:44,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:45,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:45,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806834449] [2022-03-01 16:49:45,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806834449] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:45,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:45,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:45,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865815026] [2022-03-01 16:49:45,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:45,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:45,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:45,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:45,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:45,421 INFO L87 Difference]: Start difference. First operand 1105 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:45,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:45,856 INFO L93 Difference]: Finished difference Result 1224 states and 2236 transitions. [2022-03-01 16:49:45,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:45,856 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:45,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:45,858 INFO L225 Difference]: With dead ends: 1224 [2022-03-01 16:49:45,858 INFO L226 Difference]: Without dead ends: 1217 [2022-03-01 16:49:45,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:45,859 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 169 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:45,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 623 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-03-01 16:49:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1121. [2022-03-01 16:49:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1114 states have (on average 1.8393177737881508) internal successors, (2049), 1120 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 2049 transitions. [2022-03-01 16:49:45,884 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 2049 transitions. Word has length 110 [2022-03-01 16:49:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:45,885 INFO L470 AbstractCegarLoop]: Abstraction has 1121 states and 2049 transitions. [2022-03-01 16:49:45,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2049 transitions. [2022-03-01 16:49:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:45,887 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:45,887 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:45,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-01 16:49:45,887 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:45,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:45,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1081675656, now seen corresponding path program 2 times [2022-03-01 16:49:45,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:45,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141416913] [2022-03-01 16:49:45,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:45,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:46,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:46,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141416913] [2022-03-01 16:49:46,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141416913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:46,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:46,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:46,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975685870] [2022-03-01 16:49:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:46,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:46,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:46,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:46,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:46,327 INFO L87 Difference]: Start difference. First operand 1121 states and 2049 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:47,225 INFO L93 Difference]: Finished difference Result 1453 states and 2653 transitions. [2022-03-01 16:49:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:47,226 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:47,228 INFO L225 Difference]: With dead ends: 1453 [2022-03-01 16:49:47,228 INFO L226 Difference]: Without dead ends: 1446 [2022-03-01 16:49:47,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:47,229 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 215 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:47,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 759 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2022-03-01 16:49:47,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1122. [2022-03-01 16:49:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1115 states have (on average 1.8394618834080718) internal successors, (2051), 1121 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2051 transitions. [2022-03-01 16:49:47,246 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2051 transitions. Word has length 110 [2022-03-01 16:49:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:47,246 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2051 transitions. [2022-03-01 16:49:47,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2051 transitions. [2022-03-01 16:49:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:47,248 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:47,248 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:47,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 16:49:47,248 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:47,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:47,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1609696764, now seen corresponding path program 3 times [2022-03-01 16:49:47,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:47,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340441406] [2022-03-01 16:49:47,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:47,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:47,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:47,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340441406] [2022-03-01 16:49:47,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340441406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:47,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:47,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:47,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464047646] [2022-03-01 16:49:47,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:47,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:47,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:47,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:47,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:47,714 INFO L87 Difference]: Start difference. First operand 1122 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:48,298 INFO L93 Difference]: Finished difference Result 1287 states and 2356 transitions. [2022-03-01 16:49:48,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:48,299 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:48,300 INFO L225 Difference]: With dead ends: 1287 [2022-03-01 16:49:48,300 INFO L226 Difference]: Without dead ends: 1273 [2022-03-01 16:49:48,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:49:48,301 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 185 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:48,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 690 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:48,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2022-03-01 16:49:48,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1140. [2022-03-01 16:49:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.8411297440423655) internal successors, (2086), 1139 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2086 transitions. [2022-03-01 16:49:48,316 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2086 transitions. Word has length 110 [2022-03-01 16:49:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:48,316 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2086 transitions. [2022-03-01 16:49:48,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2086 transitions. [2022-03-01 16:49:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:48,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:48,318 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:48,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-01 16:49:48,318 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:48,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:48,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1066179186, now seen corresponding path program 4 times [2022-03-01 16:49:48,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:48,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559126850] [2022-03-01 16:49:48,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:48,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:48,832 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:48,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:48,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559126850] [2022-03-01 16:49:48,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559126850] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:48,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:48,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:48,833 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090187249] [2022-03-01 16:49:48,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:48,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:48,834 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:48,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:48,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:48,834 INFO L87 Difference]: Start difference. First operand 1140 states and 2086 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:49,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:49,828 INFO L93 Difference]: Finished difference Result 1487 states and 2727 transitions. [2022-03-01 16:49:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:49,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:49,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:49,832 INFO L225 Difference]: With dead ends: 1487 [2022-03-01 16:49:49,832 INFO L226 Difference]: Without dead ends: 1480 [2022-03-01 16:49:49,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:49:49,833 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 209 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:49,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 623 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:49,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2022-03-01 16:49:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1142. [2022-03-01 16:49:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1135 states have (on average 1.841409691629956) internal successors, (2090), 1141 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:49,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 2090 transitions. [2022-03-01 16:49:49,849 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 2090 transitions. Word has length 110 [2022-03-01 16:49:49,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:49,850 INFO L470 AbstractCegarLoop]: Abstraction has 1142 states and 2090 transitions. [2022-03-01 16:49:49,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2090 transitions. [2022-03-01 16:49:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:49,851 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:49,852 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:49,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-01 16:49:49,852 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:49,852 INFO L85 PathProgramCache]: Analyzing trace with hash -538158078, now seen corresponding path program 5 times [2022-03-01 16:49:49,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:49,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7849552] [2022-03-01 16:49:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:49,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:50,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:50,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7849552] [2022-03-01 16:49:50,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7849552] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:50,347 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:50,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:50,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215814184] [2022-03-01 16:49:50,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:50,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:50,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:50,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:50,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:50,348 INFO L87 Difference]: Start difference. First operand 1142 states and 2090 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:51,177 INFO L93 Difference]: Finished difference Result 1549 states and 2845 transitions. [2022-03-01 16:49:51,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:51,178 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:51,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:51,181 INFO L225 Difference]: With dead ends: 1549 [2022-03-01 16:49:51,181 INFO L226 Difference]: Without dead ends: 1535 [2022-03-01 16:49:51,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:51,182 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 207 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:51,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 686 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-03-01 16:49:51,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1141. [2022-03-01 16:49:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1134 states have (on average 1.8412698412698412) internal successors, (2088), 1140 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2088 transitions. [2022-03-01 16:49:51,205 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2088 transitions. Word has length 110 [2022-03-01 16:49:51,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:51,205 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2088 transitions. [2022-03-01 16:49:51,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2088 transitions. [2022-03-01 16:49:51,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:51,207 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:51,207 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:51,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 16:49:51,208 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:51,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:51,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1059393834, now seen corresponding path program 6 times [2022-03-01 16:49:51,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:51,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910044114] [2022-03-01 16:49:51,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:51,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:51,685 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:51,685 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910044114] [2022-03-01 16:49:51,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910044114] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:51,685 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:51,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:51,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673241784] [2022-03-01 16:49:51,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:51,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:51,686 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:51,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:51,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:51,686 INFO L87 Difference]: Start difference. First operand 1141 states and 2088 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:52,299 INFO L93 Difference]: Finished difference Result 1335 states and 2449 transitions. [2022-03-01 16:49:52,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:52,299 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:52,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:52,301 INFO L225 Difference]: With dead ends: 1335 [2022-03-01 16:49:52,301 INFO L226 Difference]: Without dead ends: 1314 [2022-03-01 16:49:52,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:49:52,302 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 179 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:52,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 650 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-03-01 16:49:52,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1159. [2022-03-01 16:49:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1152 states have (on average 1.8428819444444444) internal successors, (2123), 1158 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 2123 transitions. [2022-03-01 16:49:52,316 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 2123 transitions. Word has length 110 [2022-03-01 16:49:52,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:52,317 INFO L470 AbstractCegarLoop]: Abstraction has 1159 states and 2123 transitions. [2022-03-01 16:49:52,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2123 transitions. [2022-03-01 16:49:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:52,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:52,319 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:52,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 16:49:52,319 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:52,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:52,319 INFO L85 PathProgramCache]: Analyzing trace with hash 841263638, now seen corresponding path program 7 times [2022-03-01 16:49:52,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:52,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493560587] [2022-03-01 16:49:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:52,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:52,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493560587] [2022-03-01 16:49:52,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493560587] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:52,832 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:52,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:52,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104743476] [2022-03-01 16:49:52,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:52,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:52,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:52,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:52,833 INFO L87 Difference]: Start difference. First operand 1159 states and 2123 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:53,725 INFO L93 Difference]: Finished difference Result 1513 states and 2785 transitions. [2022-03-01 16:49:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:53,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:53,727 INFO L225 Difference]: With dead ends: 1513 [2022-03-01 16:49:53,727 INFO L226 Difference]: Without dead ends: 1506 [2022-03-01 16:49:53,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:53,728 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 199 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:53,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 623 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-03-01 16:49:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1162. [2022-03-01 16:49:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1155 states have (on average 1.8432900432900432) internal successors, (2129), 1161 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 2129 transitions. [2022-03-01 16:49:53,741 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 2129 transitions. Word has length 110 [2022-03-01 16:49:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:53,741 INFO L470 AbstractCegarLoop]: Abstraction has 1162 states and 2129 transitions. [2022-03-01 16:49:53,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 2129 transitions. [2022-03-01 16:49:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:53,743 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:53,744 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:53,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 16:49:53,744 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:53,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:53,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1369284746, now seen corresponding path program 8 times [2022-03-01 16:49:53,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:53,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943633031] [2022-03-01 16:49:53,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:53,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:54,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:54,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943633031] [2022-03-01 16:49:54,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943633031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:54,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:54,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:54,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222749568] [2022-03-01 16:49:54,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:54,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:54,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:54,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:54,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:54,244 INFO L87 Difference]: Start difference. First operand 1162 states and 2129 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:55,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:55,106 INFO L93 Difference]: Finished difference Result 1575 states and 2903 transitions. [2022-03-01 16:49:55,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:55,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:55,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:55,109 INFO L225 Difference]: With dead ends: 1575 [2022-03-01 16:49:55,110 INFO L226 Difference]: Without dead ends: 1561 [2022-03-01 16:49:55,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:49:55,110 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 196 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:55,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 727 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-03-01 16:49:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1161. [2022-03-01 16:49:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1154 states have (on average 1.84315424610052) internal successors, (2127), 1160 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 2127 transitions. [2022-03-01 16:49:55,125 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 2127 transitions. Word has length 110 [2022-03-01 16:49:55,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:55,125 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 2127 transitions. [2022-03-01 16:49:55,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2127 transitions. [2022-03-01 16:49:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:55,126 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:55,127 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:55,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 16:49:55,127 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:55,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1328130638, now seen corresponding path program 9 times [2022-03-01 16:49:55,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:55,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476991430] [2022-03-01 16:49:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:55,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:55,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:55,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476991430] [2022-03-01 16:49:55,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476991430] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:55,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:55,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:55,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613030317] [2022-03-01 16:49:55,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:55,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:55,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:55,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:55,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:55,638 INFO L87 Difference]: Start difference. First operand 1161 states and 2127 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:56,349 INFO L93 Difference]: Finished difference Result 1622 states and 2994 transitions. [2022-03-01 16:49:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:56,350 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:56,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:56,351 INFO L225 Difference]: With dead ends: 1622 [2022-03-01 16:49:56,351 INFO L226 Difference]: Without dead ends: 1601 [2022-03-01 16:49:56,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:56,352 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 229 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:56,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 469 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-03-01 16:49:56,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1160. [2022-03-01 16:49:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1153 states have (on average 1.8430182133564614) internal successors, (2125), 1159 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2125 transitions. [2022-03-01 16:49:56,365 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2125 transitions. Word has length 110 [2022-03-01 16:49:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:56,365 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2125 transitions. [2022-03-01 16:49:56,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2125 transitions. [2022-03-01 16:49:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:56,367 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:56,367 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:56,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-01 16:49:56,367 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:56,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:56,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2088485180, now seen corresponding path program 10 times [2022-03-01 16:49:56,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:56,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633160318] [2022-03-01 16:49:56,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:56,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:56,839 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:56,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633160318] [2022-03-01 16:49:56,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633160318] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:56,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:56,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:56,840 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461404074] [2022-03-01 16:49:56,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:56,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:56,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:56,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:56,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:56,841 INFO L87 Difference]: Start difference. First operand 1160 states and 2125 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:57,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:57,425 INFO L93 Difference]: Finished difference Result 1383 states and 2542 transitions. [2022-03-01 16:49:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:57,425 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:57,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:57,426 INFO L225 Difference]: With dead ends: 1383 [2022-03-01 16:49:57,426 INFO L226 Difference]: Without dead ends: 1355 [2022-03-01 16:49:57,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:57,427 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 170 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:57,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 613 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2022-03-01 16:49:57,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1178. [2022-03-01 16:49:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1171 states have (on average 1.8445772843723314) internal successors, (2160), 1177 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2160 transitions. [2022-03-01 16:49:57,440 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2160 transitions. Word has length 110 [2022-03-01 16:49:57,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:57,440 INFO L470 AbstractCegarLoop]: Abstraction has 1178 states and 2160 transitions. [2022-03-01 16:49:57,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2160 transitions. [2022-03-01 16:49:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:57,442 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:57,442 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:57,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-01 16:49:57,442 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:57,443 INFO L85 PathProgramCache]: Analyzing trace with hash 330556564, now seen corresponding path program 11 times [2022-03-01 16:49:57,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:57,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119916841] [2022-03-01 16:49:57,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:57,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:57,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:57,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119916841] [2022-03-01 16:49:57,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119916841] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:57,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:57,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:57,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589590915] [2022-03-01 16:49:57,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:57,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:57,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:57,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:57,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:57,985 INFO L87 Difference]: Start difference. First operand 1178 states and 2160 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:58,611 INFO L93 Difference]: Finished difference Result 1649 states and 3022 transitions. [2022-03-01 16:49:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:58,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:58,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:58,613 INFO L225 Difference]: With dead ends: 1649 [2022-03-01 16:49:58,613 INFO L226 Difference]: Without dead ends: 1642 [2022-03-01 16:49:58,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:58,614 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 251 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:58,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 407 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:58,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2022-03-01 16:49:58,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1177. [2022-03-01 16:49:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 1170 states have (on average 1.8444444444444446) internal successors, (2158), 1176 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 2158 transitions. [2022-03-01 16:49:58,628 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 2158 transitions. Word has length 110 [2022-03-01 16:49:58,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:58,628 INFO L470 AbstractCegarLoop]: Abstraction has 1177 states and 2158 transitions. [2022-03-01 16:49:58,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 2158 transitions. [2022-03-01 16:49:58,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:58,629 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:58,629 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:58,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-01 16:49:58,630 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:58,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:58,630 INFO L85 PathProgramCache]: Analyzing trace with hash 858577672, now seen corresponding path program 12 times [2022-03-01 16:49:58,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:58,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440939770] [2022-03-01 16:49:58,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:58,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:59,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440939770] [2022-03-01 16:49:59,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440939770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:59,137 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:59,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:59,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097900018] [2022-03-01 16:49:59,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:59,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:59,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:59,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:59,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:59,139 INFO L87 Difference]: Start difference. First operand 1177 states and 2158 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,739 INFO L93 Difference]: Finished difference Result 1711 states and 3140 transitions. [2022-03-01 16:49:59,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:59,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,741 INFO L225 Difference]: With dead ends: 1711 [2022-03-01 16:49:59,741 INFO L226 Difference]: Without dead ends: 1697 [2022-03-01 16:49:59,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:59,742 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 242 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:59,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 418 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:59,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2022-03-01 16:49:59,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1176. [2022-03-01 16:49:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1169 states have (on average 1.844311377245509) internal successors, (2156), 1175 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 2156 transitions. [2022-03-01 16:49:59,755 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 2156 transitions. Word has length 110 [2022-03-01 16:49:59,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:59,755 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 2156 transitions. [2022-03-01 16:49:59,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 2156 transitions. [2022-03-01 16:49:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:59,757 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:59,757 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:59,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-01 16:49:59,757 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:59,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1838837712, now seen corresponding path program 13 times [2022-03-01 16:49:59,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:59,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250806596] [2022-03-01 16:49:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:59,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:00,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:00,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250806596] [2022-03-01 16:50:00,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250806596] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:00,238 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:00,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:00,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962444378] [2022-03-01 16:50:00,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:00,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:00,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:00,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:00,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:00,240 INFO L87 Difference]: Start difference. First operand 1176 states and 2156 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,896 INFO L93 Difference]: Finished difference Result 1758 states and 3231 transitions. [2022-03-01 16:50:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:00,896 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:00,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:00,898 INFO L225 Difference]: With dead ends: 1758 [2022-03-01 16:50:00,898 INFO L226 Difference]: Without dead ends: 1737 [2022-03-01 16:50:00,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:00,898 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 241 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:00,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 501 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:00,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-03-01 16:50:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1175. [2022-03-01 16:50:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1168 states have (on average 1.8441780821917808) internal successors, (2154), 1174 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2154 transitions. [2022-03-01 16:50:00,910 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2154 transitions. Word has length 110 [2022-03-01 16:50:00,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,910 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2154 transitions. [2022-03-01 16:50:00,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2154 transitions. [2022-03-01 16:50:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:00,911 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:00,912 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:00,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 16:50:00,912 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:00,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1577778106, now seen corresponding path program 14 times [2022-03-01 16:50:00,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:00,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294809002] [2022-03-01 16:50:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:01,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:01,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294809002] [2022-03-01 16:50:01,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294809002] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:01,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:01,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:01,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977466252] [2022-03-01 16:50:01,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:01,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:01,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:01,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:01,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:01,475 INFO L87 Difference]: Start difference. First operand 1175 states and 2154 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:02,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:02,117 INFO L93 Difference]: Finished difference Result 1805 states and 3322 transitions. [2022-03-01 16:50:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:02,118 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:02,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:02,120 INFO L225 Difference]: With dead ends: 1805 [2022-03-01 16:50:02,120 INFO L226 Difference]: Without dead ends: 1777 [2022-03-01 16:50:02,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:02,120 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 225 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:02,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 581 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2022-03-01 16:50:02,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1174. [2022-03-01 16:50:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1167 states have (on average 1.844044558697515) internal successors, (2152), 1173 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 2152 transitions. [2022-03-01 16:50:02,135 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 2152 transitions. Word has length 110 [2022-03-01 16:50:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:02,135 INFO L470 AbstractCegarLoop]: Abstraction has 1174 states and 2152 transitions. [2022-03-01 16:50:02,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2152 transitions. [2022-03-01 16:50:02,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:02,137 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:02,137 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:02,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-01 16:50:02,137 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:02,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:02,138 INFO L85 PathProgramCache]: Analyzing trace with hash -934609174, now seen corresponding path program 15 times [2022-03-01 16:50:02,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:02,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130494066] [2022-03-01 16:50:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:02,628 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:02,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130494066] [2022-03-01 16:50:02,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130494066] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:02,628 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:02,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:02,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032349676] [2022-03-01 16:50:02,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:02,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:02,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:02,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:02,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:02,629 INFO L87 Difference]: Start difference. First operand 1174 states and 2152 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:03,171 INFO L93 Difference]: Finished difference Result 1615 states and 2935 transitions. [2022-03-01 16:50:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:03,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:03,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:03,174 INFO L225 Difference]: With dead ends: 1615 [2022-03-01 16:50:03,174 INFO L226 Difference]: Without dead ends: 1587 [2022-03-01 16:50:03,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:03,174 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 229 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:03,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 503 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:03,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2022-03-01 16:50:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1142. [2022-03-01 16:50:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1135 states have (on average 1.839647577092511) internal successors, (2088), 1141 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 2088 transitions. [2022-03-01 16:50:03,189 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 2088 transitions. Word has length 110 [2022-03-01 16:50:03,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:03,190 INFO L470 AbstractCegarLoop]: Abstraction has 1142 states and 2088 transitions. [2022-03-01 16:50:03,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2088 transitions. [2022-03-01 16:50:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:03,191 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:03,192 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:03,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-01 16:50:03,192 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:03,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:03,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1325303053, now seen corresponding path program 1 times [2022-03-01 16:50:03,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:03,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121382216] [2022-03-01 16:50:03,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:03,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:03,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:03,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121382216] [2022-03-01 16:50:03,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121382216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:03,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:03,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:03,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765773570] [2022-03-01 16:50:03,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:03,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:03,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:03,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:03,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:03,319 INFO L87 Difference]: Start difference. First operand 1142 states and 2088 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:03,834 INFO L93 Difference]: Finished difference Result 1511 states and 2738 transitions. [2022-03-01 16:50:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:50:03,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:03,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:03,836 INFO L225 Difference]: With dead ends: 1511 [2022-03-01 16:50:03,836 INFO L226 Difference]: Without dead ends: 1511 [2022-03-01 16:50:03,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:50:03,837 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 231 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:03,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 478 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:03,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-03-01 16:50:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1145. [2022-03-01 16:50:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1138 states have (on average 1.8400702987697715) internal successors, (2094), 1144 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2094 transitions. [2022-03-01 16:50:03,850 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2094 transitions. Word has length 110 [2022-03-01 16:50:03,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:03,850 INFO L470 AbstractCegarLoop]: Abstraction has 1145 states and 2094 transitions. [2022-03-01 16:50:03,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2094 transitions. [2022-03-01 16:50:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:03,851 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:03,851 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:03,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-01 16:50:03,851 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:03,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:03,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1292235043, now seen corresponding path program 2 times [2022-03-01 16:50:03,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:03,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967654879] [2022-03-01 16:50:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:04,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:04,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967654879] [2022-03-01 16:50:04,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967654879] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:04,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:04,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:04,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312129018] [2022-03-01 16:50:04,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:04,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:04,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:04,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:04,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:04,025 INFO L87 Difference]: Start difference. First operand 1145 states and 2094 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:04,568 INFO L93 Difference]: Finished difference Result 1506 states and 2728 transitions. [2022-03-01 16:50:04,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:04,571 INFO L225 Difference]: With dead ends: 1506 [2022-03-01 16:50:04,571 INFO L226 Difference]: Without dead ends: 1506 [2022-03-01 16:50:04,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:04,571 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 179 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:04,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 664 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:04,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-03-01 16:50:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1149. [2022-03-01 16:50:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1142 states have (on average 1.840630472854641) internal successors, (2102), 1148 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 2102 transitions. [2022-03-01 16:50:04,583 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 2102 transitions. Word has length 110 [2022-03-01 16:50:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:04,584 INFO L470 AbstractCegarLoop]: Abstraction has 1149 states and 2102 transitions. [2022-03-01 16:50:04,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2102 transitions. [2022-03-01 16:50:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:04,585 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:04,585 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:04,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-01 16:50:04,586 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1291139503, now seen corresponding path program 3 times [2022-03-01 16:50:04,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:04,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744852417] [2022-03-01 16:50:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:04,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:04,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744852417] [2022-03-01 16:50:04,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744852417] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:04,783 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:04,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:04,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660728841] [2022-03-01 16:50:04,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:04,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:04,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:04,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:04,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:04,785 INFO L87 Difference]: Start difference. First operand 1149 states and 2102 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:05,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:05,328 INFO L93 Difference]: Finished difference Result 1501 states and 2718 transitions. [2022-03-01 16:50:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:05,329 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:05,330 INFO L225 Difference]: With dead ends: 1501 [2022-03-01 16:50:05,331 INFO L226 Difference]: Without dead ends: 1501 [2022-03-01 16:50:05,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:05,331 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 170 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:05,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 563 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2022-03-01 16:50:05,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1153. [2022-03-01 16:50:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1146 states have (on average 1.8411867364746946) internal successors, (2110), 1152 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2110 transitions. [2022-03-01 16:50:05,346 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2110 transitions. Word has length 110 [2022-03-01 16:50:05,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:05,346 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2110 transitions. [2022-03-01 16:50:05,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2110 transitions. [2022-03-01 16:50:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:05,348 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:05,348 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:05,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-01 16:50:05,348 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:05,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:05,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1291103233, now seen corresponding path program 4 times [2022-03-01 16:50:05,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:05,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593454731] [2022-03-01 16:50:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:05,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:05,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593454731] [2022-03-01 16:50:05,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593454731] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:05,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:05,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:50:05,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962044144] [2022-03-01 16:50:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:05,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:50:05,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:50:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:05,626 INFO L87 Difference]: Start difference. First operand 1153 states and 2110 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:06,038 INFO L93 Difference]: Finished difference Result 1496 states and 2709 transitions. [2022-03-01 16:50:06,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:06,038 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:06,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:06,040 INFO L225 Difference]: With dead ends: 1496 [2022-03-01 16:50:06,040 INFO L226 Difference]: Without dead ends: 1496 [2022-03-01 16:50:06,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:06,041 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 241 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:06,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 442 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2022-03-01 16:50:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1161. [2022-03-01 16:50:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1154 states have (on average 1.8353552859618718) internal successors, (2118), 1160 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 2118 transitions. [2022-03-01 16:50:06,067 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 2118 transitions. Word has length 110 [2022-03-01 16:50:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:06,068 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 2118 transitions. [2022-03-01 16:50:06,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2118 transitions. [2022-03-01 16:50:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:06,069 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:06,069 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:06,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-01 16:50:06,069 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:06,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:06,070 INFO L85 PathProgramCache]: Analyzing trace with hash -661546646, now seen corresponding path program 17 times [2022-03-01 16:50:06,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:06,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723253043] [2022-03-01 16:50:06,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:06,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:06,340 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:06,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723253043] [2022-03-01 16:50:06,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723253043] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:06,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:06,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:06,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126625343] [2022-03-01 16:50:06,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:06,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:06,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:06,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:06,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:06,341 INFO L87 Difference]: Start difference. First operand 1161 states and 2118 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:06,713 INFO L93 Difference]: Finished difference Result 1533 states and 2776 transitions. [2022-03-01 16:50:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:06,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:06,715 INFO L225 Difference]: With dead ends: 1533 [2022-03-01 16:50:06,715 INFO L226 Difference]: Without dead ends: 1533 [2022-03-01 16:50:06,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:06,716 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 175 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:06,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 377 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-03-01 16:50:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1142. [2022-03-01 16:50:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1135 states have (on average 1.8334801762114536) internal successors, (2081), 1141 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 2081 transitions. [2022-03-01 16:50:06,729 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 2081 transitions. Word has length 110 [2022-03-01 16:50:06,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:06,729 INFO L470 AbstractCegarLoop]: Abstraction has 1142 states and 2081 transitions. [2022-03-01 16:50:06,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2081 transitions. [2022-03-01 16:50:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:06,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:06,730 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:06,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-01 16:50:06,731 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:06,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1404654586, now seen corresponding path program 2 times [2022-03-01 16:50:06,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:06,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077474406] [2022-03-01 16:50:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:06,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:07,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:07,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077474406] [2022-03-01 16:50:07,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077474406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:07,027 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:07,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:07,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702674805] [2022-03-01 16:50:07,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:07,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:07,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:07,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:07,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:07,028 INFO L87 Difference]: Start difference. First operand 1142 states and 2081 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:07,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:07,391 INFO L93 Difference]: Finished difference Result 1590 states and 2886 transitions. [2022-03-01 16:50:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:07,391 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:07,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:07,393 INFO L225 Difference]: With dead ends: 1590 [2022-03-01 16:50:07,393 INFO L226 Difference]: Without dead ends: 1590 [2022-03-01 16:50:07,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:07,393 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 183 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:07,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 446 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:07,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2022-03-01 16:50:07,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1186. [2022-03-01 16:50:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1179 states have (on average 1.8396946564885497) internal successors, (2169), 1185 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 2169 transitions. [2022-03-01 16:50:07,408 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 2169 transitions. Word has length 110 [2022-03-01 16:50:07,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:07,409 INFO L470 AbstractCegarLoop]: Abstraction has 1186 states and 2169 transitions. [2022-03-01 16:50:07,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2169 transitions. [2022-03-01 16:50:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:07,410 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:07,410 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:07,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-01 16:50:07,412 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:07,412 INFO L85 PathProgramCache]: Analyzing trace with hash 451291516, now seen corresponding path program 16 times [2022-03-01 16:50:07,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:07,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142080665] [2022-03-01 16:50:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:07,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:07,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142080665] [2022-03-01 16:50:07,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142080665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:07,912 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:07,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:07,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198034073] [2022-03-01 16:50:07,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:07,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:07,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:07,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:07,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:07,913 INFO L87 Difference]: Start difference. First operand 1186 states and 2169 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:08,395 INFO L93 Difference]: Finished difference Result 1661 states and 3025 transitions. [2022-03-01 16:50:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:08,395 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:08,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:08,398 INFO L225 Difference]: With dead ends: 1661 [2022-03-01 16:50:08,398 INFO L226 Difference]: Without dead ends: 1633 [2022-03-01 16:50:08,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:08,398 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 275 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:08,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 470 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:08,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2022-03-01 16:50:08,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1221. [2022-03-01 16:50:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1214 states have (on average 1.843492586490939) internal successors, (2238), 1220 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2238 transitions. [2022-03-01 16:50:08,414 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2238 transitions. Word has length 110 [2022-03-01 16:50:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:08,414 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 2238 transitions. [2022-03-01 16:50:08,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2238 transitions. [2022-03-01 16:50:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:08,416 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:08,416 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:08,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-01 16:50:08,416 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:08,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash 60597637, now seen corresponding path program 5 times [2022-03-01 16:50:08,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:08,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8401779] [2022-03-01 16:50:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:08,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:08,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:08,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8401779] [2022-03-01 16:50:08,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8401779] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:08,541 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:08,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:08,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870592349] [2022-03-01 16:50:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:08,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:08,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:08,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:08,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:08,542 INFO L87 Difference]: Start difference. First operand 1221 states and 2238 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:09,220 INFO L93 Difference]: Finished difference Result 1640 states and 2986 transitions. [2022-03-01 16:50:09,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:50:09,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:09,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:09,223 INFO L225 Difference]: With dead ends: 1640 [2022-03-01 16:50:09,223 INFO L226 Difference]: Without dead ends: 1640 [2022-03-01 16:50:09,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:09,224 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 239 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:09,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 685 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2022-03-01 16:50:09,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1220. [2022-03-01 16:50:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 1213 states have (on average 1.843363561417972) internal successors, (2236), 1219 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 2236 transitions. [2022-03-01 16:50:09,235 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 2236 transitions. Word has length 110 [2022-03-01 16:50:09,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:09,235 INFO L470 AbstractCegarLoop]: Abstraction has 1220 states and 2236 transitions. [2022-03-01 16:50:09,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 2236 transitions. [2022-03-01 16:50:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:09,236 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:09,237 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:09,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-01 16:50:09,237 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:09,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash 93665647, now seen corresponding path program 6 times [2022-03-01 16:50:09,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:09,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125352334] [2022-03-01 16:50:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:09,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:09,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:09,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125352334] [2022-03-01 16:50:09,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125352334] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:09,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:09,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:09,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676501589] [2022-03-01 16:50:09,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:09,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:09,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:09,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:09,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:09,394 INFO L87 Difference]: Start difference. First operand 1220 states and 2236 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:09,871 INFO L93 Difference]: Finished difference Result 1647 states and 2996 transitions. [2022-03-01 16:50:09,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:09,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:09,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:09,874 INFO L225 Difference]: With dead ends: 1647 [2022-03-01 16:50:09,874 INFO L226 Difference]: Without dead ends: 1647 [2022-03-01 16:50:09,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:09,874 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 191 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:09,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 508 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:09,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-03-01 16:50:09,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1226. [2022-03-01 16:50:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1219 states have (on average 1.8441345365053323) internal successors, (2248), 1225 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 2248 transitions. [2022-03-01 16:50:09,887 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 2248 transitions. Word has length 110 [2022-03-01 16:50:09,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:09,887 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 2248 transitions. [2022-03-01 16:50:09,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2248 transitions. [2022-03-01 16:50:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:09,888 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:09,888 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:09,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-01 16:50:09,888 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:09,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash 94761187, now seen corresponding path program 7 times [2022-03-01 16:50:09,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:09,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593041391] [2022-03-01 16:50:09,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:10,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:10,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593041391] [2022-03-01 16:50:10,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593041391] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:10,079 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:10,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:10,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881473271] [2022-03-01 16:50:10,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:10,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:10,079 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:10,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:10,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:10,080 INFO L87 Difference]: Start difference. First operand 1226 states and 2248 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:10,386 INFO L93 Difference]: Finished difference Result 1642 states and 2986 transitions. [2022-03-01 16:50:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:10,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:10,388 INFO L225 Difference]: With dead ends: 1642 [2022-03-01 16:50:10,389 INFO L226 Difference]: Without dead ends: 1642 [2022-03-01 16:50:10,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:10,389 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 197 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:10,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 352 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:10,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2022-03-01 16:50:10,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1229. [2022-03-01 16:50:10,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1222 states have (on average 1.8445171849427169) internal successors, (2254), 1228 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2254 transitions. [2022-03-01 16:50:10,401 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2254 transitions. Word has length 110 [2022-03-01 16:50:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:10,401 INFO L470 AbstractCegarLoop]: Abstraction has 1229 states and 2254 transitions. [2022-03-01 16:50:10,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2254 transitions. [2022-03-01 16:50:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:10,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:10,403 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:10,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-01 16:50:10,403 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:10,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:10,403 INFO L85 PathProgramCache]: Analyzing trace with hash 94797457, now seen corresponding path program 8 times [2022-03-01 16:50:10,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:10,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871705705] [2022-03-01 16:50:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:10,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:10,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871705705] [2022-03-01 16:50:10,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871705705] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:10,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:10,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:10,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40627954] [2022-03-01 16:50:10,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:10,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:10,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:10,670 INFO L87 Difference]: Start difference. First operand 1229 states and 2254 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:11,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:11,034 INFO L93 Difference]: Finished difference Result 1637 states and 2977 transitions. [2022-03-01 16:50:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:11,034 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:11,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:11,036 INFO L225 Difference]: With dead ends: 1637 [2022-03-01 16:50:11,036 INFO L226 Difference]: Without dead ends: 1637 [2022-03-01 16:50:11,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:11,037 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 214 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:11,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 376 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2022-03-01 16:50:11,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1079. [2022-03-01 16:50:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1072 states have (on average 1.8274253731343284) internal successors, (1959), 1078 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1959 transitions. [2022-03-01 16:50:11,048 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1959 transitions. Word has length 110 [2022-03-01 16:50:11,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:11,048 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1959 transitions. [2022-03-01 16:50:11,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1959 transitions. [2022-03-01 16:50:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:11,049 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:11,049 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:11,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-01 16:50:11,049 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:11,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:11,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1609272518, now seen corresponding path program 18 times [2022-03-01 16:50:11,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:11,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640655968] [2022-03-01 16:50:11,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:11,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:11,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640655968] [2022-03-01 16:50:11,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640655968] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:11,402 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:11,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:11,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621259698] [2022-03-01 16:50:11,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:11,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:11,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:11,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:11,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:11,403 INFO L87 Difference]: Start difference. First operand 1079 states and 1959 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:11,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:11,916 INFO L93 Difference]: Finished difference Result 1130 states and 2043 transitions. [2022-03-01 16:50:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:11,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:11,921 INFO L225 Difference]: With dead ends: 1130 [2022-03-01 16:50:11,921 INFO L226 Difference]: Without dead ends: 1130 [2022-03-01 16:50:11,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:11,921 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 141 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:11,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 434 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2022-03-01 16:50:11,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1078. [2022-03-01 16:50:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1071 states have (on average 1.8281979458450046) internal successors, (1958), 1077 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1958 transitions. [2022-03-01 16:50:11,930 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1958 transitions. Word has length 110 [2022-03-01 16:50:11,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:11,931 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1958 transitions. [2022-03-01 16:50:11,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1958 transitions. [2022-03-01 16:50:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:11,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:11,932 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:11,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-01 16:50:11,932 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:11,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash 662589142, now seen corresponding path program 19 times [2022-03-01 16:50:11,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:11,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789304680] [2022-03-01 16:50:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:11,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:12,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:12,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789304680] [2022-03-01 16:50:12,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789304680] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:12,521 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:12,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:12,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429661878] [2022-03-01 16:50:12,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:12,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:12,522 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:12,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:12,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:12,522 INFO L87 Difference]: Start difference. First operand 1078 states and 1958 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:14,205 INFO L93 Difference]: Finished difference Result 1755 states and 3215 transitions. [2022-03-01 16:50:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:14,206 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:14,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:14,207 INFO L225 Difference]: With dead ends: 1755 [2022-03-01 16:50:14,207 INFO L226 Difference]: Without dead ends: 1755 [2022-03-01 16:50:14,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=422, Invalid=1558, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 16:50:14,208 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 697 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:14,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [697 Valid, 735 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-03-01 16:50:14,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1077. [2022-03-01 16:50:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1070 states have (on average 1.82803738317757) internal successors, (1956), 1076 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1956 transitions. [2022-03-01 16:50:14,218 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1956 transitions. Word has length 110 [2022-03-01 16:50:14,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:14,218 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1956 transitions. [2022-03-01 16:50:14,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1956 transitions. [2022-03-01 16:50:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:14,219 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:14,219 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:14,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-01 16:50:14,220 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:14,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1067647484, now seen corresponding path program 20 times [2022-03-01 16:50:14,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:14,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028256969] [2022-03-01 16:50:14,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:14,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:14,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028256969] [2022-03-01 16:50:14,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028256969] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:14,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:14,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:14,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395447872] [2022-03-01 16:50:14,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:14,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:14,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:14,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:14,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:14,528 INFO L87 Difference]: Start difference. First operand 1077 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:14,861 INFO L93 Difference]: Finished difference Result 1148 states and 2079 transitions. [2022-03-01 16:50:14,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:14,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:14,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:14,863 INFO L225 Difference]: With dead ends: 1148 [2022-03-01 16:50:14,863 INFO L226 Difference]: Without dead ends: 1148 [2022-03-01 16:50:14,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:14,864 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 133 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:14,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 294 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-03-01 16:50:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1076. [2022-03-01 16:50:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1069 states have (on average 1.8278765201122544) internal successors, (1954), 1075 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1954 transitions. [2022-03-01 16:50:14,872 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1954 transitions. Word has length 110 [2022-03-01 16:50:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:14,872 INFO L470 AbstractCegarLoop]: Abstraction has 1076 states and 1954 transitions. [2022-03-01 16:50:14,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1954 transitions. [2022-03-01 16:50:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:14,873 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:14,873 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:14,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-01 16:50:14,874 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash -562587324, now seen corresponding path program 21 times [2022-03-01 16:50:14,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:14,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685522637] [2022-03-01 16:50:14,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:14,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:15,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:15,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685522637] [2022-03-01 16:50:15,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685522637] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:15,322 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:15,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:15,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031781641] [2022-03-01 16:50:15,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:15,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:15,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:15,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:15,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:15,324 INFO L87 Difference]: Start difference. First operand 1076 states and 1954 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:16,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:16,787 INFO L93 Difference]: Finished difference Result 1713 states and 3134 transitions. [2022-03-01 16:50:16,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:50:16,787 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:16,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:16,789 INFO L225 Difference]: With dead ends: 1713 [2022-03-01 16:50:16,789 INFO L226 Difference]: Without dead ends: 1713 [2022-03-01 16:50:16,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:16,789 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 567 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:16,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 865 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-03-01 16:50:16,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1050. [2022-03-01 16:50:16,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1043 states have (on average 1.8274209012464047) internal successors, (1906), 1049 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1906 transitions. [2022-03-01 16:50:16,804 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1906 transitions. Word has length 110 [2022-03-01 16:50:16,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:16,804 INFO L470 AbstractCegarLoop]: Abstraction has 1050 states and 1906 transitions. [2022-03-01 16:50:16,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1906 transitions. [2022-03-01 16:50:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:16,805 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:16,805 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:16,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 16:50:16,806 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:16,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:16,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2078749440, now seen corresponding path program 17 times [2022-03-01 16:50:16,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:16,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755858887] [2022-03-01 16:50:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:17,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:17,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755858887] [2022-03-01 16:50:17,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755858887] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:17,424 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:17,424 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:17,424 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419198942] [2022-03-01 16:50:17,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:17,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:17,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:17,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:17,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:17,425 INFO L87 Difference]: Start difference. First operand 1050 states and 1906 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:18,212 INFO L93 Difference]: Finished difference Result 1255 states and 2288 transitions. [2022-03-01 16:50:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:18,212 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:18,214 INFO L225 Difference]: With dead ends: 1255 [2022-03-01 16:50:18,214 INFO L226 Difference]: Without dead ends: 1248 [2022-03-01 16:50:18,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:18,214 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 203 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:18,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 451 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-03-01 16:50:18,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1049. [2022-03-01 16:50:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 1042 states have (on average 1.8272552783109406) internal successors, (1904), 1048 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1904 transitions. [2022-03-01 16:50:18,224 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1904 transitions. Word has length 110 [2022-03-01 16:50:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:18,224 INFO L470 AbstractCegarLoop]: Abstraction has 1049 states and 1904 transitions. [2022-03-01 16:50:18,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1904 transitions. [2022-03-01 16:50:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:18,225 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:18,225 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:18,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-01 16:50:18,226 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:18,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1688196748, now seen corresponding path program 18 times [2022-03-01 16:50:18,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:18,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184492337] [2022-03-01 16:50:18,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:18,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:18,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:18,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184492337] [2022-03-01 16:50:18,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184492337] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:18,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:18,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:18,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791860635] [2022-03-01 16:50:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:18,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:18,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:18,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:18,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:18,853 INFO L87 Difference]: Start difference. First operand 1049 states and 1904 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:19,528 INFO L93 Difference]: Finished difference Result 1309 states and 2390 transitions. [2022-03-01 16:50:19,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:19,529 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:19,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:19,530 INFO L225 Difference]: With dead ends: 1309 [2022-03-01 16:50:19,530 INFO L226 Difference]: Without dead ends: 1295 [2022-03-01 16:50:19,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:50:19,531 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 212 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:19,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 455 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:19,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-03-01 16:50:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1048. [2022-03-01 16:50:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1041 states have (on average 1.8270893371757926) internal successors, (1902), 1047 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1902 transitions. [2022-03-01 16:50:19,549 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1902 transitions. Word has length 110 [2022-03-01 16:50:19,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:19,549 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1902 transitions. [2022-03-01 16:50:19,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1902 transitions. [2022-03-01 16:50:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:19,550 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:19,550 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:19,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-01 16:50:19,551 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,551 INFO L85 PathProgramCache]: Analyzing trace with hash -90644836, now seen corresponding path program 19 times [2022-03-01 16:50:19,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560780350] [2022-03-01 16:50:19,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:20,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:20,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560780350] [2022-03-01 16:50:20,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560780350] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:20,050 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:20,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:20,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012843570] [2022-03-01 16:50:20,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:20,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:20,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:20,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:20,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:20,051 INFO L87 Difference]: Start difference. First operand 1048 states and 1902 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,644 INFO L93 Difference]: Finished difference Result 1356 states and 2481 transitions. [2022-03-01 16:50:20,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:20,645 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:20,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,647 INFO L225 Difference]: With dead ends: 1356 [2022-03-01 16:50:20,647 INFO L226 Difference]: Without dead ends: 1335 [2022-03-01 16:50:20,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:50:20,648 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 227 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 430 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:20,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-03-01 16:50:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1047. [2022-03-01 16:50:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1040 states have (on average 1.8269230769230769) internal successors, (1900), 1046 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1900 transitions. [2022-03-01 16:50:20,661 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1900 transitions. Word has length 110 [2022-03-01 16:50:20,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,662 INFO L470 AbstractCegarLoop]: Abstraction has 1047 states and 1900 transitions. [2022-03-01 16:50:20,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1900 transitions. [2022-03-01 16:50:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:20,663 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,663 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:20,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-01 16:50:20,663 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,664 INFO L85 PathProgramCache]: Analyzing trace with hash -968996314, now seen corresponding path program 20 times [2022-03-01 16:50:20,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233565341] [2022-03-01 16:50:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:21,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:21,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233565341] [2022-03-01 16:50:21,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233565341] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:21,141 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:21,141 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:21,141 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666412215] [2022-03-01 16:50:21,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:21,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:21,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:21,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:21,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:21,142 INFO L87 Difference]: Start difference. First operand 1047 states and 1900 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:21,738 INFO L93 Difference]: Finished difference Result 1284 states and 2346 transitions. [2022-03-01 16:50:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:21,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:21,740 INFO L225 Difference]: With dead ends: 1284 [2022-03-01 16:50:21,740 INFO L226 Difference]: Without dead ends: 1256 [2022-03-01 16:50:21,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:50:21,740 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 202 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:21,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 537 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-03-01 16:50:21,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 924. [2022-03-01 16:50:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-03-01 16:50:21,752 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-03-01 16:50:21,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:21,753 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-03-01 16:50:21,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-03-01 16:50:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:21,754 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:21,754 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:21,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-01 16:50:21,754 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:21,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1810843363, now seen corresponding path program 9 times [2022-03-01 16:50:21,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:21,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192856280] [2022-03-01 16:50:21,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:22,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:22,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192856280] [2022-03-01 16:50:22,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192856280] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:22,110 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:22,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:22,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294399177] [2022-03-01 16:50:22,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:22,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:22,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:22,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:22,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:22,111 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:22,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:22,416 INFO L93 Difference]: Finished difference Result 959 states and 1724 transitions. [2022-03-01 16:50:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:22,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:22,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:22,418 INFO L225 Difference]: With dead ends: 959 [2022-03-01 16:50:22,418 INFO L226 Difference]: Without dead ends: 959 [2022-03-01 16:50:22,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:22,419 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 140 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:22,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 327 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:22,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-03-01 16:50:22,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 924. [2022-03-01 16:50:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-03-01 16:50:22,428 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-03-01 16:50:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:22,429 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-03-01 16:50:22,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-03-01 16:50:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:22,430 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:22,430 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:22,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-01 16:50:22,436 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:22,437 INFO L85 PathProgramCache]: Analyzing trace with hash 508678753, now seen corresponding path program 10 times [2022-03-01 16:50:22,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:22,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257505979] [2022-03-01 16:50:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:22,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:22,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:22,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257505979] [2022-03-01 16:50:22,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257505979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:22,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:22,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:22,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66638944] [2022-03-01 16:50:22,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:22,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:22,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:22,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:22,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:22,780 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:23,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:23,066 INFO L93 Difference]: Finished difference Result 963 states and 1732 transitions. [2022-03-01 16:50:23,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:23,067 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:23,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:23,068 INFO L225 Difference]: With dead ends: 963 [2022-03-01 16:50:23,068 INFO L226 Difference]: Without dead ends: 963 [2022-03-01 16:50:23,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:23,068 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 137 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:23,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 330 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-03-01 16:50:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 924. [2022-03-01 16:50:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-03-01 16:50:23,076 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-03-01 16:50:23,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:23,076 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-03-01 16:50:23,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-03-01 16:50:23,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:23,077 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:23,077 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:23,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-01 16:50:23,077 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:23,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:23,078 INFO L85 PathProgramCache]: Analyzing trace with hash -344843963, now seen corresponding path program 11 times [2022-03-01 16:50:23,078 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:23,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455748781] [2022-03-01 16:50:23,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:23,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:23,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:23,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455748781] [2022-03-01 16:50:23,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455748781] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:23,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:23,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:23,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151507136] [2022-03-01 16:50:23,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:23,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:23,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:23,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:23,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:23,664 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:25,378 INFO L93 Difference]: Finished difference Result 1789 states and 3265 transitions. [2022-03-01 16:50:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:50:25,379 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:25,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:25,381 INFO L225 Difference]: With dead ends: 1789 [2022-03-01 16:50:25,381 INFO L226 Difference]: Without dead ends: 1789 [2022-03-01 16:50:25,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=399, Invalid=1323, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:50:25,382 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 591 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:25,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 1068 Invalid, 1649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2022-03-01 16:50:25,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 924. [2022-03-01 16:50:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-03-01 16:50:25,402 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-03-01 16:50:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:25,403 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-03-01 16:50:25,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-03-01 16:50:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:25,404 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:25,404 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:25,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-01 16:50:25,404 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:25,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash -178937729, now seen corresponding path program 12 times [2022-03-01 16:50:25,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:25,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948658055] [2022-03-01 16:50:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:25,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:25,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948658055] [2022-03-01 16:50:25,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948658055] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:25,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:25,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:25,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259185686] [2022-03-01 16:50:25,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:25,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:25,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:25,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:25,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:25,676 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:25,947 INFO L93 Difference]: Finished difference Result 966 states and 1741 transitions. [2022-03-01 16:50:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:25,948 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:25,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:25,949 INFO L225 Difference]: With dead ends: 966 [2022-03-01 16:50:25,949 INFO L226 Difference]: Without dead ends: 966 [2022-03-01 16:50:25,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:25,950 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 118 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:25,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 305 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-03-01 16:50:25,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 908. [2022-03-01 16:50:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 903 states have (on average 1.813953488372093) internal successors, (1638), 907 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1638 transitions. [2022-03-01 16:50:25,959 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1638 transitions. Word has length 110 [2022-03-01 16:50:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:25,960 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 1638 transitions. [2022-03-01 16:50:25,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1638 transitions. [2022-03-01 16:50:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:25,961 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:25,961 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:25,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-01 16:50:25,961 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:25,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 157500306, now seen corresponding path program 3 times [2022-03-01 16:50:25,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:25,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406218191] [2022-03-01 16:50:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:25,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:26,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:26,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406218191] [2022-03-01 16:50:26,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406218191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:26,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:26,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:26,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545918904] [2022-03-01 16:50:26,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:26,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:26,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:26,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:26,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:26,492 INFO L87 Difference]: Start difference. First operand 908 states and 1638 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:27,238 INFO L93 Difference]: Finished difference Result 1049 states and 1895 transitions. [2022-03-01 16:50:27,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:27,238 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:27,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:27,240 INFO L225 Difference]: With dead ends: 1049 [2022-03-01 16:50:27,240 INFO L226 Difference]: Without dead ends: 1038 [2022-03-01 16:50:27,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:50:27,240 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 187 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:27,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 546 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:27,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2022-03-01 16:50:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 923. [2022-03-01 16:50:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 918 states have (on average 1.8159041394335511) internal successors, (1667), 922 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1667 transitions. [2022-03-01 16:50:27,248 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1667 transitions. Word has length 110 [2022-03-01 16:50:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:27,248 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1667 transitions. [2022-03-01 16:50:27,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1667 transitions. [2022-03-01 16:50:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:27,249 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:27,249 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:27,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-01 16:50:27,249 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:27,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:27,250 INFO L85 PathProgramCache]: Analyzing trace with hash -370520802, now seen corresponding path program 4 times [2022-03-01 16:50:27,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:27,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687261446] [2022-03-01 16:50:27,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:27,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:27,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:27,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687261446] [2022-03-01 16:50:27,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687261446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:27,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:27,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:27,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848591894] [2022-03-01 16:50:27,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:27,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:27,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:27,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:27,778 INFO L87 Difference]: Start difference. First operand 923 states and 1667 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:28,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:28,409 INFO L93 Difference]: Finished difference Result 1107 states and 2005 transitions. [2022-03-01 16:50:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:28,409 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:28,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:28,410 INFO L225 Difference]: With dead ends: 1107 [2022-03-01 16:50:28,410 INFO L226 Difference]: Without dead ends: 1085 [2022-03-01 16:50:28,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:50:28,411 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 218 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:28,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 512 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-03-01 16:50:28,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 941. [2022-03-01 16:50:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 936 states have (on average 1.8183760683760684) internal successors, (1702), 940 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1702 transitions. [2022-03-01 16:50:28,425 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1702 transitions. Word has length 110 [2022-03-01 16:50:28,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:28,425 INFO L470 AbstractCegarLoop]: Abstraction has 941 states and 1702 transitions. [2022-03-01 16:50:28,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1702 transitions. [2022-03-01 16:50:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:28,426 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:28,426 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:28,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-01 16:50:28,426 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:28,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:28,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1841162828, now seen corresponding path program 5 times [2022-03-01 16:50:28,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:28,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139907642] [2022-03-01 16:50:28,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:28,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:28,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:28,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139907642] [2022-03-01 16:50:28,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139907642] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:28,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:28,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:28,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680480697] [2022-03-01 16:50:28,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:28,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:28,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:28,923 INFO L87 Difference]: Start difference. First operand 941 states and 1702 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:29,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:29,558 INFO L93 Difference]: Finished difference Result 1158 states and 2104 transitions. [2022-03-01 16:50:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:29,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:29,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:29,559 INFO L225 Difference]: With dead ends: 1158 [2022-03-01 16:50:29,560 INFO L226 Difference]: Without dead ends: 1125 [2022-03-01 16:50:29,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:50:29,560 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 232 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:29,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 541 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:29,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-03-01 16:50:29,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 959. [2022-03-01 16:50:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 954 states have (on average 1.820754716981132) internal successors, (1737), 958 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1737 transitions. [2022-03-01 16:50:29,570 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1737 transitions. Word has length 110 [2022-03-01 16:50:29,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:29,570 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1737 transitions. [2022-03-01 16:50:29,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1737 transitions. [2022-03-01 16:50:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:29,571 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:29,571 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:29,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-01 16:50:29,571 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:29,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2090455932, now seen corresponding path program 6 times [2022-03-01 16:50:29,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:29,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658011822] [2022-03-01 16:50:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:30,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:30,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658011822] [2022-03-01 16:50:30,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658011822] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:30,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:30,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:30,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729859145] [2022-03-01 16:50:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:30,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:30,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:30,073 INFO L87 Difference]: Start difference. First operand 959 states and 1737 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:30,574 INFO L93 Difference]: Finished difference Result 1156 states and 2097 transitions. [2022-03-01 16:50:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:30,574 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:30,575 INFO L225 Difference]: With dead ends: 1156 [2022-03-01 16:50:30,575 INFO L226 Difference]: Without dead ends: 1112 [2022-03-01 16:50:30,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:30,576 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 213 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:30,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 531 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:30,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-03-01 16:50:30,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 923. [2022-03-01 16:50:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 918 states have (on average 1.8137254901960784) internal successors, (1665), 922 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1665 transitions. [2022-03-01 16:50:30,586 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1665 transitions. Word has length 110 [2022-03-01 16:50:30,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:30,586 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1665 transitions. [2022-03-01 16:50:30,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1665 transitions. [2022-03-01 16:50:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:30,588 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:30,588 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:30,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-01 16:50:30,588 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:30,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:30,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1503701990, now seen corresponding path program 1 times [2022-03-01 16:50:30,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:30,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965907874] [2022-03-01 16:50:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:30,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:30,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965907874] [2022-03-01 16:50:30,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965907874] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:30,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:30,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:30,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727263590] [2022-03-01 16:50:30,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:30,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:30,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:30,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:30,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:30,808 INFO L87 Difference]: Start difference. First operand 923 states and 1665 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:31,219 INFO L93 Difference]: Finished difference Result 962 states and 1730 transitions. [2022-03-01 16:50:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:50:31,220 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:31,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:31,221 INFO L225 Difference]: With dead ends: 962 [2022-03-01 16:50:31,221 INFO L226 Difference]: Without dead ends: 962 [2022-03-01 16:50:31,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:31,221 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 123 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:31,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 738 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-03-01 16:50:31,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 928. [2022-03-01 16:50:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 923 states have (on average 1.80931744312026) internal successors, (1670), 927 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1670 transitions. [2022-03-01 16:50:31,229 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1670 transitions. Word has length 111 [2022-03-01 16:50:31,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:31,229 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1670 transitions. [2022-03-01 16:50:31,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1670 transitions. [2022-03-01 16:50:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:31,230 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:31,230 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:31,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-01 16:50:31,230 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:31,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1457767012, now seen corresponding path program 2 times [2022-03-01 16:50:31,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:31,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194725125] [2022-03-01 16:50:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:31,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:31,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194725125] [2022-03-01 16:50:31,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194725125] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:31,524 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:31,524 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:31,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022117570] [2022-03-01 16:50:31,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:31,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:31,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:31,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:31,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:31,525 INFO L87 Difference]: Start difference. First operand 928 states and 1670 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:32,164 INFO L93 Difference]: Finished difference Result 992 states and 1779 transitions. [2022-03-01 16:50:32,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:50:32,165 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:32,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:32,166 INFO L225 Difference]: With dead ends: 992 [2022-03-01 16:50:32,166 INFO L226 Difference]: Without dead ends: 992 [2022-03-01 16:50:32,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:32,166 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 151 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:32,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 685 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:32,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-03-01 16:50:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 929. [2022-03-01 16:50:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 924 states have (on average 1.8095238095238095) internal successors, (1672), 928 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1672 transitions. [2022-03-01 16:50:32,175 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1672 transitions. Word has length 111 [2022-03-01 16:50:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:32,175 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1672 transitions. [2022-03-01 16:50:32,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1672 transitions. [2022-03-01 16:50:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:32,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:32,176 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:32,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-01 16:50:32,176 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:32,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:32,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1128965560, now seen corresponding path program 3 times [2022-03-01 16:50:32,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:32,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254303859] [2022-03-01 16:50:32,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:32,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:32,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:32,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254303859] [2022-03-01 16:50:32,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254303859] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:32,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:32,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:32,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193382192] [2022-03-01 16:50:32,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:32,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:32,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:32,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:32,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:32,450 INFO L87 Difference]: Start difference. First operand 929 states and 1672 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:33,002 INFO L93 Difference]: Finished difference Result 981 states and 1763 transitions. [2022-03-01 16:50:33,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:33,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:33,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:33,004 INFO L225 Difference]: With dead ends: 981 [2022-03-01 16:50:33,004 INFO L226 Difference]: Without dead ends: 981 [2022-03-01 16:50:33,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:50:33,005 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 128 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:33,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 817 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2022-03-01 16:50:33,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 935. [2022-03-01 16:50:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 930 states have (on average 1.810752688172043) internal successors, (1684), 934 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1684 transitions. [2022-03-01 16:50:33,015 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1684 transitions. Word has length 111 [2022-03-01 16:50:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:33,015 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1684 transitions. [2022-03-01 16:50:33,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1684 transitions. [2022-03-01 16:50:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:33,017 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:33,017 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:33,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-01 16:50:33,017 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:33,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:33,018 INFO L85 PathProgramCache]: Analyzing trace with hash 275674084, now seen corresponding path program 4 times [2022-03-01 16:50:33,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:33,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730956312] [2022-03-01 16:50:33,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:33,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:33,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:33,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730956312] [2022-03-01 16:50:33,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730956312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:33,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:33,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:33,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933591385] [2022-03-01 16:50:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:33,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:33,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:33,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:33,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:33,420 INFO L87 Difference]: Start difference. First operand 935 states and 1684 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:34,819 INFO L93 Difference]: Finished difference Result 1129 states and 2032 transitions. [2022-03-01 16:50:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:34,820 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:34,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:34,821 INFO L225 Difference]: With dead ends: 1129 [2022-03-01 16:50:34,821 INFO L226 Difference]: Without dead ends: 1129 [2022-03-01 16:50:34,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=422, Invalid=1470, Unknown=0, NotChecked=0, Total=1892 [2022-03-01 16:50:34,823 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 628 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:34,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [628 Valid, 1213 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-03-01 16:50:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 937. [2022-03-01 16:50:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 932 states have (on average 1.8111587982832618) internal successors, (1688), 936 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1688 transitions. [2022-03-01 16:50:34,834 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1688 transitions. Word has length 111 [2022-03-01 16:50:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:34,834 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1688 transitions. [2022-03-01 16:50:34,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1688 transitions. [2022-03-01 16:50:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:34,836 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:34,836 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:34,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-01 16:50:34,836 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:34,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1983908808, now seen corresponding path program 5 times [2022-03-01 16:50:34,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:34,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923046609] [2022-03-01 16:50:34,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:34,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:35,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:35,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923046609] [2022-03-01 16:50:35,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923046609] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:35,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:35,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:35,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85644153] [2022-03-01 16:50:35,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:35,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:35,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:35,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:35,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:35,244 INFO L87 Difference]: Start difference. First operand 937 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:36,632 INFO L93 Difference]: Finished difference Result 1147 states and 2063 transitions. [2022-03-01 16:50:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:36,632 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:36,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:36,633 INFO L225 Difference]: With dead ends: 1147 [2022-03-01 16:50:36,633 INFO L226 Difference]: Without dead ends: 1147 [2022-03-01 16:50:36,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=421, Invalid=1471, Unknown=0, NotChecked=0, Total=1892 [2022-03-01 16:50:36,634 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 659 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:36,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 1380 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-03-01 16:50:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 936. [2022-03-01 16:50:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 931 states have (on average 1.8109559613319013) internal successors, (1686), 935 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1686 transitions. [2022-03-01 16:50:36,642 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1686 transitions. Word has length 111 [2022-03-01 16:50:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:36,643 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1686 transitions. [2022-03-01 16:50:36,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1686 transitions. [2022-03-01 16:50:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:36,643 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:36,644 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:36,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-01 16:50:36,644 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash -113819046, now seen corresponding path program 6 times [2022-03-01 16:50:36,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:36,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788299459] [2022-03-01 16:50:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:37,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:37,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788299459] [2022-03-01 16:50:37,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788299459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:37,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:37,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:37,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792000405] [2022-03-01 16:50:37,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:37,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:37,089 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:37,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:37,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:37,090 INFO L87 Difference]: Start difference. First operand 936 states and 1686 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:38,121 INFO L93 Difference]: Finished difference Result 1117 states and 2014 transitions. [2022-03-01 16:50:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:50:38,121 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:38,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:38,123 INFO L225 Difference]: With dead ends: 1117 [2022-03-01 16:50:38,123 INFO L226 Difference]: Without dead ends: 1117 [2022-03-01 16:50:38,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:38,123 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 652 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:38,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 1323 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:38,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-03-01 16:50:38,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 942. [2022-03-01 16:50:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 937 states have (on average 1.8121664887940234) internal successors, (1698), 941 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1698 transitions. [2022-03-01 16:50:38,131 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1698 transitions. Word has length 111 [2022-03-01 16:50:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:38,131 INFO L470 AbstractCegarLoop]: Abstraction has 942 states and 1698 transitions. [2022-03-01 16:50:38,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1698 transitions. [2022-03-01 16:50:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:38,132 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:38,132 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:38,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-01 16:50:38,132 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:38,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:38,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1085021906, now seen corresponding path program 7 times [2022-03-01 16:50:38,133 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:38,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915956269] [2022-03-01 16:50:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:38,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:38,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:38,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915956269] [2022-03-01 16:50:38,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915956269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:38,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:38,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:38,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748869698] [2022-03-01 16:50:38,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:38,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:38,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:38,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:38,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:38,459 INFO L87 Difference]: Start difference. First operand 942 states and 1698 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:39,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:39,137 INFO L93 Difference]: Finished difference Result 1024 states and 1843 transitions. [2022-03-01 16:50:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:50:39,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:39,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:39,138 INFO L225 Difference]: With dead ends: 1024 [2022-03-01 16:50:39,138 INFO L226 Difference]: Without dead ends: 1024 [2022-03-01 16:50:39,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:50:39,138 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 91 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:39,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 544 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-03-01 16:50:39,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 945. [2022-03-01 16:50:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 940 states have (on average 1.8127659574468085) internal successors, (1704), 944 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1704 transitions. [2022-03-01 16:50:39,146 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1704 transitions. Word has length 111 [2022-03-01 16:50:39,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:39,146 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1704 transitions. [2022-03-01 16:50:39,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1704 transitions. [2022-03-01 16:50:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:39,147 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:39,147 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:39,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-01 16:50:39,148 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:39,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:39,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1501710666, now seen corresponding path program 8 times [2022-03-01 16:50:39,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:39,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392941812] [2022-03-01 16:50:39,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:39,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:39,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:39,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392941812] [2022-03-01 16:50:39,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392941812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:39,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:39,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:39,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423155045] [2022-03-01 16:50:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:39,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:39,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:39,571 INFO L87 Difference]: Start difference. First operand 945 states and 1704 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:40,880 INFO L93 Difference]: Finished difference Result 1163 states and 2095 transitions. [2022-03-01 16:50:40,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:40,880 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:40,881 INFO L225 Difference]: With dead ends: 1163 [2022-03-01 16:50:40,881 INFO L226 Difference]: Without dead ends: 1163 [2022-03-01 16:50:40,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=400, Invalid=1406, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 16:50:40,882 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 607 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:40,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 1175 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:40,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-03-01 16:50:40,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 944. [2022-03-01 16:50:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 939 states have (on average 1.812566560170394) internal successors, (1702), 943 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1702 transitions. [2022-03-01 16:50:40,890 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1702 transitions. Word has length 111 [2022-03-01 16:50:40,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:40,890 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1702 transitions. [2022-03-01 16:50:40,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1702 transitions. [2022-03-01 16:50:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:40,891 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:40,891 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:40,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-01 16:50:40,891 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:40,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:40,891 INFO L85 PathProgramCache]: Analyzing trace with hash 695528776, now seen corresponding path program 9 times [2022-03-01 16:50:40,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:40,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887375849] [2022-03-01 16:50:40,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:40,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:41,160 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:41,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887375849] [2022-03-01 16:50:41,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887375849] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:41,160 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:41,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:41,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256674700] [2022-03-01 16:50:41,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:41,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:41,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:41,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:41,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:41,161 INFO L87 Difference]: Start difference. First operand 944 states and 1702 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:41,665 INFO L93 Difference]: Finished difference Result 1056 states and 1902 transitions. [2022-03-01 16:50:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:50:41,665 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:41,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:41,667 INFO L225 Difference]: With dead ends: 1056 [2022-03-01 16:50:41,667 INFO L226 Difference]: Without dead ends: 1056 [2022-03-01 16:50:41,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:41,667 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 100 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:41,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 463 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:41,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-03-01 16:50:41,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 943. [2022-03-01 16:50:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 938 states have (on average 1.812366737739872) internal successors, (1700), 942 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1700 transitions. [2022-03-01 16:50:41,675 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1700 transitions. Word has length 111 [2022-03-01 16:50:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:41,675 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1700 transitions. [2022-03-01 16:50:41,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1700 transitions. [2022-03-01 16:50:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:41,676 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:41,676 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:41,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-01 16:50:41,676 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:41,677 INFO L85 PathProgramCache]: Analyzing trace with hash -827475448, now seen corresponding path program 10 times [2022-03-01 16:50:41,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:41,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029665994] [2022-03-01 16:50:41,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:41,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:41,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029665994] [2022-03-01 16:50:41,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029665994] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:41,943 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:41,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:41,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779308893] [2022-03-01 16:50:41,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:41,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:41,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:41,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:41,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:41,944 INFO L87 Difference]: Start difference. First operand 943 states and 1700 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:42,320 INFO L93 Difference]: Finished difference Result 1011 states and 1823 transitions. [2022-03-01 16:50:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:42,320 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:42,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:42,321 INFO L225 Difference]: With dead ends: 1011 [2022-03-01 16:50:42,321 INFO L226 Difference]: Without dead ends: 1011 [2022-03-01 16:50:42,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:50:42,322 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 81 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:42,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 458 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:42,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2022-03-01 16:50:42,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 948. [2022-03-01 16:50:42,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 943 states have (on average 1.8133616118769884) internal successors, (1710), 947 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1710 transitions. [2022-03-01 16:50:42,330 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1710 transitions. Word has length 111 [2022-03-01 16:50:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:42,330 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1710 transitions. [2022-03-01 16:50:42,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1710 transitions. [2022-03-01 16:50:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:42,331 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:42,331 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:42,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-01 16:50:42,331 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:42,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:42,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1856346088, now seen corresponding path program 1 times [2022-03-01 16:50:42,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:42,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177848141] [2022-03-01 16:50:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:42,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:42,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177848141] [2022-03-01 16:50:42,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177848141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:42,532 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:42,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:42,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577157160] [2022-03-01 16:50:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:42,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:42,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:42,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:42,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:42,533 INFO L87 Difference]: Start difference. First operand 948 states and 1710 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:42,944 INFO L93 Difference]: Finished difference Result 1540 states and 2789 transitions. [2022-03-01 16:50:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:42,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:42,946 INFO L225 Difference]: With dead ends: 1540 [2022-03-01 16:50:42,946 INFO L226 Difference]: Without dead ends: 1540 [2022-03-01 16:50:42,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:42,946 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 207 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:42,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 457 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:42,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2022-03-01 16:50:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1035. [2022-03-01 16:50:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1030 states have (on average 1.829126213592233) internal successors, (1884), 1034 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1884 transitions. [2022-03-01 16:50:42,955 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1884 transitions. Word has length 111 [2022-03-01 16:50:42,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:42,956 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1884 transitions. [2022-03-01 16:50:42,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1884 transitions. [2022-03-01 16:50:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:42,957 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:42,957 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:42,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-01 16:50:42,957 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:42,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash 568687424, now seen corresponding path program 11 times [2022-03-01 16:50:42,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:42,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730267326] [2022-03-01 16:50:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:43,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:43,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730267326] [2022-03-01 16:50:43,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730267326] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:43,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:43,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:43,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9883264] [2022-03-01 16:50:43,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:43,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:43,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:43,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:43,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:43,259 INFO L87 Difference]: Start difference. First operand 1035 states and 1884 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:43,707 INFO L93 Difference]: Finished difference Result 1551 states and 2809 transitions. [2022-03-01 16:50:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:43,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:43,716 INFO L225 Difference]: With dead ends: 1551 [2022-03-01 16:50:43,716 INFO L226 Difference]: Without dead ends: 1551 [2022-03-01 16:50:43,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:43,717 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 222 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:43,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 391 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-03-01 16:50:43,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1139. [2022-03-01 16:50:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.842151675485009) internal successors, (2089), 1138 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2089 transitions. [2022-03-01 16:50:43,727 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2089 transitions. Word has length 111 [2022-03-01 16:50:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:43,727 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2089 transitions. [2022-03-01 16:50:43,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2089 transitions. [2022-03-01 16:50:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:43,728 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:43,728 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:43,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-01 16:50:43,728 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:43,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash -992826476, now seen corresponding path program 2 times [2022-03-01 16:50:43,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:43,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006825936] [2022-03-01 16:50:43,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:44,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:44,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006825936] [2022-03-01 16:50:44,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006825936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:44,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:44,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:44,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472499870] [2022-03-01 16:50:44,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:44,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:44,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:44,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:44,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:44,030 INFO L87 Difference]: Start difference. First operand 1139 states and 2089 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:44,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:44,439 INFO L93 Difference]: Finished difference Result 1527 states and 2762 transitions. [2022-03-01 16:50:44,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:44,439 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:44,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:44,441 INFO L225 Difference]: With dead ends: 1527 [2022-03-01 16:50:44,441 INFO L226 Difference]: Without dead ends: 1527 [2022-03-01 16:50:44,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:44,441 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 232 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:44,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 368 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-03-01 16:50:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1139. [2022-03-01 16:50:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8412698412698412) internal successors, (2088), 1138 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2088 transitions. [2022-03-01 16:50:44,454 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2088 transitions. Word has length 111 [2022-03-01 16:50:44,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:44,454 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2088 transitions. [2022-03-01 16:50:44,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2088 transitions. [2022-03-01 16:50:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:44,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:44,456 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:44,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-01 16:50:44,456 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:44,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:44,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1820135168, now seen corresponding path program 12 times [2022-03-01 16:50:44,457 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:44,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499717839] [2022-03-01 16:50:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:44,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:44,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499717839] [2022-03-01 16:50:44,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499717839] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:44,909 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:44,909 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:44,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562264896] [2022-03-01 16:50:44,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:44,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:44,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:44,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:44,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:44,910 INFO L87 Difference]: Start difference. First operand 1139 states and 2088 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:46,225 INFO L93 Difference]: Finished difference Result 1695 states and 3082 transitions. [2022-03-01 16:50:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:46,225 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:46,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:46,227 INFO L225 Difference]: With dead ends: 1695 [2022-03-01 16:50:46,227 INFO L226 Difference]: Without dead ends: 1695 [2022-03-01 16:50:46,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=451, Invalid=1529, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 16:50:46,228 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 987 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:46,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [987 Valid, 613 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2022-03-01 16:50:46,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1141. [2022-03-01 16:50:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.841549295774648) internal successors, (2092), 1140 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2092 transitions. [2022-03-01 16:50:46,238 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2092 transitions. Word has length 111 [2022-03-01 16:50:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:46,238 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2092 transitions. [2022-03-01 16:50:46,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2092 transitions. [2022-03-01 16:50:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:46,240 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:46,240 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:46,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-01 16:50:46,240 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:46,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:46,240 INFO L85 PathProgramCache]: Analyzing trace with hash -766597404, now seen corresponding path program 13 times [2022-03-01 16:50:46,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:46,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817644620] [2022-03-01 16:50:46,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:46,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:46,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:46,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817644620] [2022-03-01 16:50:46,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817644620] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:46,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:46,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:46,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953633976] [2022-03-01 16:50:46,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:46,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:46,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:46,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:46,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:46,566 INFO L87 Difference]: Start difference. First operand 1141 states and 2092 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:47,114 INFO L93 Difference]: Finished difference Result 1485 states and 2699 transitions. [2022-03-01 16:50:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:47,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:47,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:47,116 INFO L225 Difference]: With dead ends: 1485 [2022-03-01 16:50:47,116 INFO L226 Difference]: Without dead ends: 1485 [2022-03-01 16:50:47,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:47,116 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 151 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:47,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 430 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-03-01 16:50:47,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1140. [2022-03-01 16:50:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1135 states have (on average 1.841409691629956) internal successors, (2090), 1139 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2090 transitions. [2022-03-01 16:50:47,127 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2090 transitions. Word has length 111 [2022-03-01 16:50:47,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:47,127 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2090 transitions. [2022-03-01 16:50:47,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2090 transitions. [2022-03-01 16:50:47,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:47,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:47,128 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:47,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-01 16:50:47,128 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:47,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:47,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1430642038, now seen corresponding path program 14 times [2022-03-01 16:50:47,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:47,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081677866] [2022-03-01 16:50:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:47,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:47,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081677866] [2022-03-01 16:50:47,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081677866] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:47,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:47,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:47,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858297587] [2022-03-01 16:50:47,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:47,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:47,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:47,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:47,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:47,431 INFO L87 Difference]: Start difference. First operand 1140 states and 2090 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:47,987 INFO L93 Difference]: Finished difference Result 1499 states and 2727 transitions. [2022-03-01 16:50:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:47,987 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:47,989 INFO L225 Difference]: With dead ends: 1499 [2022-03-01 16:50:47,989 INFO L226 Difference]: Without dead ends: 1499 [2022-03-01 16:50:47,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:47,990 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 136 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:47,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 487 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:47,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2022-03-01 16:50:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1139. [2022-03-01 16:50:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8412698412698412) internal successors, (2088), 1138 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2088 transitions. [2022-03-01 16:50:48,001 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2088 transitions. Word has length 111 [2022-03-01 16:50:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:48,001 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2088 transitions. [2022-03-01 16:50:48,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2088 transitions. [2022-03-01 16:50:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:48,002 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:48,002 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:48,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-01 16:50:48,003 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:48,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash -92362186, now seen corresponding path program 15 times [2022-03-01 16:50:48,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:48,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096255357] [2022-03-01 16:50:48,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:48,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:48,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:48,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096255357] [2022-03-01 16:50:48,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096255357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:48,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:48,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:48,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151490267] [2022-03-01 16:50:48,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:48,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:48,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:48,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:48,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:48,448 INFO L87 Difference]: Start difference. First operand 1139 states and 2088 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:49,807 INFO L93 Difference]: Finished difference Result 1713 states and 3118 transitions. [2022-03-01 16:50:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:49,808 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:49,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:49,810 INFO L225 Difference]: With dead ends: 1713 [2022-03-01 16:50:49,810 INFO L226 Difference]: Without dead ends: 1713 [2022-03-01 16:50:49,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 16:50:49,810 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 889 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:49,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [889 Valid, 975 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-03-01 16:50:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1133. [2022-03-01 16:50:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1128 states have (on average 1.8404255319148937) internal successors, (2076), 1132 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 2076 transitions. [2022-03-01 16:50:49,822 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 2076 transitions. Word has length 111 [2022-03-01 16:50:49,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:49,822 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 2076 transitions. [2022-03-01 16:50:49,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 2076 transitions. [2022-03-01 16:50:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:49,824 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:49,824 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:49,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-01 16:50:49,824 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash 943271106, now seen corresponding path program 1 times [2022-03-01 16:50:49,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:49,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22498378] [2022-03-01 16:50:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:49,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:49,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:49,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22498378] [2022-03-01 16:50:49,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22498378] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:49,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:49,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:50:49,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134092141] [2022-03-01 16:50:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:49,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:50:49,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:49,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:50:49,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:50:49,902 INFO L87 Difference]: Start difference. First operand 1133 states and 2076 transitions. Second operand has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:50,129 INFO L93 Difference]: Finished difference Result 1176 states and 2156 transitions. [2022-03-01 16:50:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:50:50,129 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:50,131 INFO L225 Difference]: With dead ends: 1176 [2022-03-01 16:50:50,131 INFO L226 Difference]: Without dead ends: 1176 [2022-03-01 16:50:50,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:50,131 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 98 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:50,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 354 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2022-03-01 16:50:50,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1136. [2022-03-01 16:50:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1131 states have (on average 1.8408488063660478) internal successors, (2082), 1135 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 2082 transitions. [2022-03-01 16:50:50,141 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 2082 transitions. Word has length 111 [2022-03-01 16:50:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:50,141 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 2082 transitions. [2022-03-01 16:50:50,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2082 transitions. [2022-03-01 16:50:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:50,142 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:50,142 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:50,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-01 16:50:50,143 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 993319986, now seen corresponding path program 2 times [2022-03-01 16:50:50,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:50,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41364211] [2022-03-01 16:50:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:50,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:50,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41364211] [2022-03-01 16:50:50,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41364211] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:50,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:50,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:50,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606648053] [2022-03-01 16:50:50,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:50,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:50,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:50,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:50,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:50,290 INFO L87 Difference]: Start difference. First operand 1136 states and 2082 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:50,625 INFO L93 Difference]: Finished difference Result 1497 states and 2714 transitions. [2022-03-01 16:50:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:50,626 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:50,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:50,627 INFO L225 Difference]: With dead ends: 1497 [2022-03-01 16:50:50,627 INFO L226 Difference]: Without dead ends: 1497 [2022-03-01 16:50:50,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:50,628 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 255 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:50,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 352 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-03-01 16:50:50,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1141. [2022-03-01 16:50:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.841549295774648) internal successors, (2092), 1140 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2092 transitions. [2022-03-01 16:50:50,638 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2092 transitions. Word has length 111 [2022-03-01 16:50:50,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:50,638 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2092 transitions. [2022-03-01 16:50:50,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2092 transitions. [2022-03-01 16:50:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:50,639 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:50,639 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:50,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-01 16:50:50,640 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:50,640 INFO L85 PathProgramCache]: Analyzing trace with hash 994963296, now seen corresponding path program 3 times [2022-03-01 16:50:50,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:50,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767689131] [2022-03-01 16:50:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:50,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:50,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:50,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767689131] [2022-03-01 16:50:50,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767689131] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:50,848 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:50,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:50,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876128355] [2022-03-01 16:50:50,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:50,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:50,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:50,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:50,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:50,849 INFO L87 Difference]: Start difference. First operand 1141 states and 2092 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:51,249 INFO L93 Difference]: Finished difference Result 1486 states and 2692 transitions. [2022-03-01 16:50:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:51,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:51,251 INFO L225 Difference]: With dead ends: 1486 [2022-03-01 16:50:51,251 INFO L226 Difference]: Without dead ends: 1486 [2022-03-01 16:50:51,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:51,252 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 257 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:51,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 355 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2022-03-01 16:50:51,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1151. [2022-03-01 16:50:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1146 states have (on average 1.8429319371727748) internal successors, (2112), 1150 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2112 transitions. [2022-03-01 16:50:51,263 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2112 transitions. Word has length 111 [2022-03-01 16:50:51,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:51,264 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2112 transitions. [2022-03-01 16:50:51,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2112 transitions. [2022-03-01 16:50:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:51,265 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:51,265 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:51,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-01 16:50:51,266 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash 995017236, now seen corresponding path program 4 times [2022-03-01 16:50:51,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:51,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660924274] [2022-03-01 16:50:51,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:51,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:51,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660924274] [2022-03-01 16:50:51,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660924274] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:51,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:51,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:51,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436018962] [2022-03-01 16:50:51,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:51,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:51,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:51,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:51,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:51,496 INFO L87 Difference]: Start difference. First operand 1151 states and 2112 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:51,879 INFO L93 Difference]: Finished difference Result 1470 states and 2661 transitions. [2022-03-01 16:50:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:51,880 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:51,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:51,881 INFO L225 Difference]: With dead ends: 1470 [2022-03-01 16:50:51,881 INFO L226 Difference]: Without dead ends: 1470 [2022-03-01 16:50:51,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:51,882 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 189 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:51,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 429 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:51,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2022-03-01 16:50:51,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1163. [2022-03-01 16:50:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1158 states have (on average 1.8436960276338514) internal successors, (2135), 1162 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2135 transitions. [2022-03-01 16:50:51,892 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2135 transitions. Word has length 111 [2022-03-01 16:50:51,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:51,892 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2135 transitions. [2022-03-01 16:50:51,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2135 transitions. [2022-03-01 16:50:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:51,894 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:51,894 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:51,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-01 16:50:51,894 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:51,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:51,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1369496136, now seen corresponding path program 5 times [2022-03-01 16:50:51,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:51,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055647758] [2022-03-01 16:50:51,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:52,162 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:52,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055647758] [2022-03-01 16:50:52,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055647758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:52,162 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:52,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:52,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203341512] [2022-03-01 16:50:52,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:52,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:52,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:52,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:52,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:52,163 INFO L87 Difference]: Start difference. First operand 1163 states and 2135 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:52,658 INFO L93 Difference]: Finished difference Result 1464 states and 2650 transitions. [2022-03-01 16:50:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:52,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:52,660 INFO L225 Difference]: With dead ends: 1464 [2022-03-01 16:50:52,660 INFO L226 Difference]: Without dead ends: 1464 [2022-03-01 16:50:52,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:50:52,660 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 166 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:52,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 571 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:52,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-03-01 16:50:52,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1173. [2022-03-01 16:50:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1168 states have (on average 1.836472602739726) internal successors, (2145), 1172 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2145 transitions. [2022-03-01 16:50:52,671 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2145 transitions. Word has length 111 [2022-03-01 16:50:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:52,672 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2145 transitions. [2022-03-01 16:50:52,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2145 transitions. [2022-03-01 16:50:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:52,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:52,673 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:52,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-01 16:50:52,673 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:52,673 INFO L85 PathProgramCache]: Analyzing trace with hash 966891744, now seen corresponding path program 16 times [2022-03-01 16:50:52,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:52,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537467192] [2022-03-01 16:50:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:52,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:52,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537467192] [2022-03-01 16:50:52,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537467192] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:52,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:52,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:52,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043275800] [2022-03-01 16:50:52,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:52,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:52,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:52,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:52,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:52,942 INFO L87 Difference]: Start difference. First operand 1173 states and 2145 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:53,408 INFO L93 Difference]: Finished difference Result 1516 states and 2744 transitions. [2022-03-01 16:50:53,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:53,408 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:53,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:53,410 INFO L225 Difference]: With dead ends: 1516 [2022-03-01 16:50:53,410 INFO L226 Difference]: Without dead ends: 1516 [2022-03-01 16:50:53,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:53,410 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 187 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:53,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 458 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2022-03-01 16:50:53,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1145. [2022-03-01 16:50:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1140 states have (on average 1.8350877192982455) internal successors, (2092), 1144 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2092 transitions. [2022-03-01 16:50:53,421 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2092 transitions. Word has length 111 [2022-03-01 16:50:53,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:53,421 INFO L470 AbstractCegarLoop]: Abstraction has 1145 states and 2092 transitions. [2022-03-01 16:50:53,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2092 transitions. [2022-03-01 16:50:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:53,422 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:53,422 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:53,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-01 16:50:53,422 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:53,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash 862141272, now seen corresponding path program 3 times [2022-03-01 16:50:53,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:53,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581162725] [2022-03-01 16:50:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:53,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:53,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581162725] [2022-03-01 16:50:53,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581162725] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:53,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:53,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:53,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544845830] [2022-03-01 16:50:53,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:53,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:53,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:53,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:53,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:53,657 INFO L87 Difference]: Start difference. First operand 1145 states and 2092 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:54,041 INFO L93 Difference]: Finished difference Result 1526 states and 2757 transitions. [2022-03-01 16:50:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:54,041 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:54,043 INFO L225 Difference]: With dead ends: 1526 [2022-03-01 16:50:54,043 INFO L226 Difference]: Without dead ends: 1526 [2022-03-01 16:50:54,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:54,043 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 208 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:54,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 495 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:54,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2022-03-01 16:50:54,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1137. [2022-03-01 16:50:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1132 states have (on average 1.8339222614840989) internal successors, (2076), 1136 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2076 transitions. [2022-03-01 16:50:54,053 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2076 transitions. Word has length 111 [2022-03-01 16:50:54,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:54,053 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 2076 transitions. [2022-03-01 16:50:54,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2076 transitions. [2022-03-01 16:50:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:54,054 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:54,054 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:54,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-01 16:50:54,055 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash -594622156, now seen corresponding path program 4 times [2022-03-01 16:50:54,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:54,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129624753] [2022-03-01 16:50:54,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:54,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:54,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:54,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129624753] [2022-03-01 16:50:54,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129624753] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:54,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:54,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:54,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862723130] [2022-03-01 16:50:54,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:54,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:54,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:54,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:54,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:54,376 INFO L87 Difference]: Start difference. First operand 1137 states and 2076 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:54,815 INFO L93 Difference]: Finished difference Result 1511 states and 2727 transitions. [2022-03-01 16:50:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:54,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:54,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:54,817 INFO L225 Difference]: With dead ends: 1511 [2022-03-01 16:50:54,817 INFO L226 Difference]: Without dead ends: 1511 [2022-03-01 16:50:54,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:54,818 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 200 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:54,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 460 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:54,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-03-01 16:50:54,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1135. [2022-03-01 16:50:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1130 states have (on average 1.8336283185840707) internal successors, (2072), 1134 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 2072 transitions. [2022-03-01 16:50:54,828 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 2072 transitions. Word has length 111 [2022-03-01 16:50:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:54,828 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 2072 transitions. [2022-03-01 16:50:54,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2072 transitions. [2022-03-01 16:50:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:54,830 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:54,830 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:54,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-01 16:50:54,830 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:54,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:54,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1779923954, now seen corresponding path program 6 times [2022-03-01 16:50:54,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:54,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750224307] [2022-03-01 16:50:54,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:54,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:54,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:54,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750224307] [2022-03-01 16:50:54,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750224307] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:54,987 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:54,987 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:54,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396372888] [2022-03-01 16:50:54,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:54,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:54,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:54,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:54,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:54,988 INFO L87 Difference]: Start difference. First operand 1135 states and 2072 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:55,348 INFO L93 Difference]: Finished difference Result 1524 states and 2758 transitions. [2022-03-01 16:50:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:55,349 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:55,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:55,350 INFO L225 Difference]: With dead ends: 1524 [2022-03-01 16:50:55,350 INFO L226 Difference]: Without dead ends: 1524 [2022-03-01 16:50:55,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:50:55,351 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 202 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:55,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 469 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2022-03-01 16:50:55,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1138. [2022-03-01 16:50:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1133 states have (on average 1.8340688437775816) internal successors, (2078), 1137 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 2078 transitions. [2022-03-01 16:50:55,361 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 2078 transitions. Word has length 111 [2022-03-01 16:50:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:55,361 INFO L470 AbstractCegarLoop]: Abstraction has 1138 states and 2078 transitions. [2022-03-01 16:50:55,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 2078 transitions. [2022-03-01 16:50:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:55,363 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:55,363 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:55,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-01 16:50:55,363 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:55,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1781567264, now seen corresponding path program 7 times [2022-03-01 16:50:55,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:55,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46609279] [2022-03-01 16:50:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:55,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:55,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46609279] [2022-03-01 16:50:55,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46609279] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:55,553 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:55,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:55,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280462544] [2022-03-01 16:50:55,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:55,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:55,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:55,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:55,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:55,554 INFO L87 Difference]: Start difference. First operand 1138 states and 2078 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:55,997 INFO L93 Difference]: Finished difference Result 1513 states and 2736 transitions. [2022-03-01 16:50:55,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:55,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:55,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:55,999 INFO L225 Difference]: With dead ends: 1513 [2022-03-01 16:50:55,999 INFO L226 Difference]: Without dead ends: 1513 [2022-03-01 16:50:55,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:55,999 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 195 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:55,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 500 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:56,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2022-03-01 16:50:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1141. [2022-03-01 16:50:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.8345070422535212) internal successors, (2084), 1140 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2084 transitions. [2022-03-01 16:50:56,011 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2084 transitions. Word has length 111 [2022-03-01 16:50:56,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:56,011 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2084 transitions. [2022-03-01 16:50:56,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2084 transitions. [2022-03-01 16:50:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:56,012 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:56,012 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:56,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-01 16:50:56,012 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:56,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:56,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1781621204, now seen corresponding path program 8 times [2022-03-01 16:50:56,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:56,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293492357] [2022-03-01 16:50:56,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:56,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:56,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:56,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293492357] [2022-03-01 16:50:56,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293492357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:56,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:56,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:56,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948257466] [2022-03-01 16:50:56,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:56,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:56,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:56,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:56,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:56,254 INFO L87 Difference]: Start difference. First operand 1141 states and 2084 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:56,577 INFO L93 Difference]: Finished difference Result 1497 states and 2705 transitions. [2022-03-01 16:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:56,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:56,579 INFO L225 Difference]: With dead ends: 1497 [2022-03-01 16:50:56,579 INFO L226 Difference]: Without dead ends: 1497 [2022-03-01 16:50:56,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:56,579 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 192 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:56,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 431 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:56,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-03-01 16:50:56,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1117. [2022-03-01 16:50:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1112 states have (on average 1.830935251798561) internal successors, (2036), 1116 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2036 transitions. [2022-03-01 16:50:56,592 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2036 transitions. Word has length 111 [2022-03-01 16:50:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:56,592 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2036 transitions. [2022-03-01 16:50:56,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2036 transitions. [2022-03-01 16:50:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:56,593 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:56,593 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:56,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-01 16:50:56,594 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1356247706, now seen corresponding path program 9 times [2022-03-01 16:50:56,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:56,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518507764] [2022-03-01 16:50:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:56,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:56,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:56,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518507764] [2022-03-01 16:50:56,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518507764] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:56,896 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:56,896 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:56,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15663361] [2022-03-01 16:50:56,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:56,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:56,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:56,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:56,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:56,897 INFO L87 Difference]: Start difference. First operand 1117 states and 2036 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:57,299 INFO L93 Difference]: Finished difference Result 1491 states and 2694 transitions. [2022-03-01 16:50:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:57,299 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:57,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:57,301 INFO L225 Difference]: With dead ends: 1491 [2022-03-01 16:50:57,301 INFO L226 Difference]: Without dead ends: 1491 [2022-03-01 16:50:57,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:57,301 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 191 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:57,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 471 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:57,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-03-01 16:50:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 966. [2022-03-01 16:50:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 961 states have (on average 1.8106139438085327) internal successors, (1740), 965 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1740 transitions. [2022-03-01 16:50:57,311 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1740 transitions. Word has length 111 [2022-03-01 16:50:57,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:57,312 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1740 transitions. [2022-03-01 16:50:57,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1740 transitions. [2022-03-01 16:50:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:57,313 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:57,313 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:57,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-01 16:50:57,313 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:57,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:57,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1652160784, now seen corresponding path program 17 times [2022-03-01 16:50:57,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:57,314 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980732472] [2022-03-01 16:50:57,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:57,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:57,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:57,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980732472] [2022-03-01 16:50:57,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980732472] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:57,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:57,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:57,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708310212] [2022-03-01 16:50:57,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:57,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:57,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:57,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:57,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:57,871 INFO L87 Difference]: Start difference. First operand 966 states and 1740 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:59,784 INFO L93 Difference]: Finished difference Result 1556 states and 2824 transitions. [2022-03-01 16:50:59,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:50:59,784 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:59,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:59,785 INFO L225 Difference]: With dead ends: 1556 [2022-03-01 16:50:59,785 INFO L226 Difference]: Without dead ends: 1556 [2022-03-01 16:50:59,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:50:59,786 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 475 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:59,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [475 Valid, 1045 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-03-01 16:50:59,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 965. [2022-03-01 16:50:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 960 states have (on average 1.8114583333333334) internal successors, (1739), 964 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1739 transitions. [2022-03-01 16:50:59,795 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1739 transitions. Word has length 111 [2022-03-01 16:50:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:59,795 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1739 transitions. [2022-03-01 16:50:59,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1739 transitions. [2022-03-01 16:50:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:59,796 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:59,796 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:59,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-01 16:50:59,796 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:59,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:59,796 INFO L85 PathProgramCache]: Analyzing trace with hash -934571788, now seen corresponding path program 18 times [2022-03-01 16:50:59,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:59,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190689224] [2022-03-01 16:50:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:59,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:00,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:00,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190689224] [2022-03-01 16:51:00,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190689224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:00,414 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:00,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:00,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676624911] [2022-03-01 16:51:00,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:00,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:00,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:00,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:00,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:00,415 INFO L87 Difference]: Start difference. First operand 965 states and 1739 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:02,019 INFO L93 Difference]: Finished difference Result 1574 states and 2855 transitions. [2022-03-01 16:51:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:51:02,019 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:02,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:02,021 INFO L225 Difference]: With dead ends: 1574 [2022-03-01 16:51:02,021 INFO L226 Difference]: Without dead ends: 1574 [2022-03-01 16:51:02,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:51:02,021 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 587 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:02,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [587 Valid, 773 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:51:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2022-03-01 16:51:02,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 964. [2022-03-01 16:51:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 959 states have (on average 1.81126173096976) internal successors, (1737), 963 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1737 transitions. [2022-03-01 16:51:02,030 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1737 transitions. Word has length 111 [2022-03-01 16:51:02,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:02,030 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1737 transitions. [2022-03-01 16:51:02,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1737 transitions. [2022-03-01 16:51:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:51:02,031 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:02,031 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:02,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-01 16:51:02,031 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1262667654, now seen corresponding path program 19 times [2022-03-01 16:51:02,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:02,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521654025] [2022-03-01 16:51:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:02,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:02,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:02,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521654025] [2022-03-01 16:51:02,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521654025] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:02,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:02,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:02,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12638591] [2022-03-01 16:51:02,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:02,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:02,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:02,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:02,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:02,345 INFO L87 Difference]: Start difference. First operand 964 states and 1737 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:02,768 INFO L93 Difference]: Finished difference Result 1051 states and 1889 transitions. [2022-03-01 16:51:02,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:02,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:02,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:02,770 INFO L225 Difference]: With dead ends: 1051 [2022-03-01 16:51:02,770 INFO L226 Difference]: Without dead ends: 1051 [2022-03-01 16:51:02,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:51:02,771 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 136 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:02,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 347 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-03-01 16:51:02,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 963. [2022-03-01 16:51:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.8110647181628392) internal successors, (1735), 962 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1735 transitions. [2022-03-01 16:51:02,778 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1735 transitions. Word has length 111 [2022-03-01 16:51:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:02,779 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1735 transitions. [2022-03-01 16:51:02,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1735 transitions. [2022-03-01 16:51:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:51:02,779 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:02,779 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:02,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-01 16:51:02,780 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:02,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:02,780 INFO L85 PathProgramCache]: Analyzing trace with hash -260336570, now seen corresponding path program 20 times [2022-03-01 16:51:02,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:02,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605210855] [2022-03-01 16:51:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:03,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:03,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605210855] [2022-03-01 16:51:03,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605210855] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:03,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:03,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:03,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909904582] [2022-03-01 16:51:03,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:03,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:03,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:03,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:03,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:03,298 INFO L87 Difference]: Start difference. First operand 963 states and 1735 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:04,615 INFO L93 Difference]: Finished difference Result 1574 states and 2860 transitions. [2022-03-01 16:51:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:51:04,616 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:04,617 INFO L225 Difference]: With dead ends: 1574 [2022-03-01 16:51:04,617 INFO L226 Difference]: Without dead ends: 1574 [2022-03-01 16:51:04,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=1103, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:51:04,618 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 541 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:04,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 711 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:04,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2022-03-01 16:51:04,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 925. [2022-03-01 16:51:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-03-01 16:51:04,626 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-03-01 16:51:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:04,627 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-03-01 16:51:04,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-03-01 16:51:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:51:04,627 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:04,627 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:04,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-01 16:51:04,628 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:04,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:04,628 INFO L85 PathProgramCache]: Analyzing trace with hash 301567828, now seen corresponding path program 10 times [2022-03-01 16:51:04,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:04,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142706442] [2022-03-01 16:51:04,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:04,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:04,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:04,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142706442] [2022-03-01 16:51:04,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142706442] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:04,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:04,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:04,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676632197] [2022-03-01 16:51:04,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:04,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:04,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:04,977 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:05,561 INFO L93 Difference]: Finished difference Result 957 states and 1719 transitions. [2022-03-01 16:51:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:05,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:05,563 INFO L225 Difference]: With dead ends: 957 [2022-03-01 16:51:05,563 INFO L226 Difference]: Without dead ends: 957 [2022-03-01 16:51:05,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:05,564 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 159 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:05,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 401 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2022-03-01 16:51:05,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 925. [2022-03-01 16:51:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-03-01 16:51:05,574 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-03-01 16:51:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:05,574 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-03-01 16:51:05,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-03-01 16:51:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:51:05,575 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:05,575 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:05,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-01 16:51:05,576 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:05,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:05,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1410829418, now seen corresponding path program 11 times [2022-03-01 16:51:05,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:05,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773378387] [2022-03-01 16:51:05,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:05,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:05,935 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:05,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773378387] [2022-03-01 16:51:05,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773378387] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:05,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:05,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:05,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118617907] [2022-03-01 16:51:05,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:05,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:05,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:05,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:05,936 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:06,303 INFO L93 Difference]: Finished difference Result 967 states and 1734 transitions. [2022-03-01 16:51:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:06,303 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:06,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:06,304 INFO L225 Difference]: With dead ends: 967 [2022-03-01 16:51:06,304 INFO L226 Difference]: Without dead ends: 967 [2022-03-01 16:51:06,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:06,305 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 139 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:06,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 424 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2022-03-01 16:51:06,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 925. [2022-03-01 16:51:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-03-01 16:51:06,312 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-03-01 16:51:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:06,312 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-03-01 16:51:06,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-03-01 16:51:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:51:06,313 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:06,314 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:06,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-01 16:51:06,314 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:06,314 INFO L85 PathProgramCache]: Analyzing trace with hash -2100229838, now seen corresponding path program 12 times [2022-03-01 16:51:06,314 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:06,314 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967165510] [2022-03-01 16:51:06,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:06,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:06,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:06,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967165510] [2022-03-01 16:51:06,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967165510] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:06,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:06,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:06,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979614099] [2022-03-01 16:51:06,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:06,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:06,668 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:06,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:06,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:06,668 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:06,998 INFO L93 Difference]: Finished difference Result 977 states and 1754 transitions. [2022-03-01 16:51:06,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:06,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:06,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:06,999 INFO L225 Difference]: With dead ends: 977 [2022-03-01 16:51:06,999 INFO L226 Difference]: Without dead ends: 977 [2022-03-01 16:51:06,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:06,999 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:07,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 393 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-03-01 16:51:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 925. [2022-03-01 16:51:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-03-01 16:51:07,007 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-03-01 16:51:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:07,007 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-03-01 16:51:07,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-03-01 16:51:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:51:07,008 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:07,008 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:07,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-01 16:51:07,008 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:07,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:07,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1252103880, now seen corresponding path program 13 times [2022-03-01 16:51:07,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:07,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000454196] [2022-03-01 16:51:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:07,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:07,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000454196] [2022-03-01 16:51:07,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000454196] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:07,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:07,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:51:07,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688986303] [2022-03-01 16:51:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:07,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:51:07,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:07,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:51:07,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:07,514 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:08,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:08,689 INFO L93 Difference]: Finished difference Result 1319 states and 2380 transitions. [2022-03-01 16:51:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:51:08,689 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:51:08,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:08,691 INFO L225 Difference]: With dead ends: 1319 [2022-03-01 16:51:08,691 INFO L226 Difference]: Without dead ends: 1319 [2022-03-01 16:51:08,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:51:08,691 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 506 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:08,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 765 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2022-03-01 16:51:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 904. [2022-03-01 16:51:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 899 states have (on average 1.8097886540600667) internal successors, (1627), 903 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1627 transitions. [2022-03-01 16:51:08,701 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1627 transitions. Word has length 111 [2022-03-01 16:51:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:08,701 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 1627 transitions. [2022-03-01 16:51:08,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1627 transitions. [2022-03-01 16:51:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:08,702 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:08,702 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:08,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-01 16:51:08,702 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:08,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:08,703 INFO L85 PathProgramCache]: Analyzing trace with hash 629879887, now seen corresponding path program 1 times [2022-03-01 16:51:08,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:08,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221147237] [2022-03-01 16:51:08,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:08,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:08,950 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:08,950 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:08,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221147237] [2022-03-01 16:51:08,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221147237] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:08,951 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:08,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:08,951 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575000621] [2022-03-01 16:51:08,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:08,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:08,951 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:08,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:08,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:08,951 INFO L87 Difference]: Start difference. First operand 904 states and 1627 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:09,313 INFO L93 Difference]: Finished difference Result 958 states and 1720 transitions. [2022-03-01 16:51:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:51:09,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:09,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:09,314 INFO L225 Difference]: With dead ends: 958 [2022-03-01 16:51:09,314 INFO L226 Difference]: Without dead ends: 958 [2022-03-01 16:51:09,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:09,314 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 126 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:09,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 566 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-03-01 16:51:09,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 910. [2022-03-01 16:51:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 905 states have (on average 1.8044198895027623) internal successors, (1633), 909 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1633 transitions. [2022-03-01 16:51:09,323 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1633 transitions. Word has length 112 [2022-03-01 16:51:09,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:09,323 INFO L470 AbstractCegarLoop]: Abstraction has 910 states and 1633 transitions. [2022-03-01 16:51:09,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1633 transitions. [2022-03-01 16:51:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:09,324 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:09,324 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:09,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-01 16:51:09,324 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:09,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:09,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2053861563, now seen corresponding path program 2 times [2022-03-01 16:51:09,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:09,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405041302] [2022-03-01 16:51:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:09,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:09,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405041302] [2022-03-01 16:51:09,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405041302] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:09,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:09,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:09,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525053604] [2022-03-01 16:51:09,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:09,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:09,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:09,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:09,729 INFO L87 Difference]: Start difference. First operand 910 states and 1633 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:11,118 INFO L93 Difference]: Finished difference Result 1114 states and 1998 transitions. [2022-03-01 16:51:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:51:11,119 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:11,120 INFO L225 Difference]: With dead ends: 1114 [2022-03-01 16:51:11,120 INFO L226 Difference]: Without dead ends: 1114 [2022-03-01 16:51:11,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=437, Invalid=1543, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 16:51:11,120 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 719 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:11,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 1308 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:11,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-03-01 16:51:11,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 911. [2022-03-01 16:51:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 906 states have (on average 1.804635761589404) internal successors, (1635), 910 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1635 transitions. [2022-03-01 16:51:11,130 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1635 transitions. Word has length 112 [2022-03-01 16:51:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:11,130 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1635 transitions. [2022-03-01 16:51:11,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1635 transitions. [2022-03-01 16:51:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:11,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:11,132 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:11,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-01 16:51:11,132 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash -638192671, now seen corresponding path program 3 times [2022-03-01 16:51:11,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:11,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861842620] [2022-03-01 16:51:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:11,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:11,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861842620] [2022-03-01 16:51:11,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861842620] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:11,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:11,393 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:11,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104072634] [2022-03-01 16:51:11,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:11,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:11,400 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:11,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:11,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:11,401 INFO L87 Difference]: Start difference. First operand 911 states and 1635 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:11,830 INFO L93 Difference]: Finished difference Result 983 states and 1764 transitions. [2022-03-01 16:51:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:11,830 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:11,832 INFO L225 Difference]: With dead ends: 983 [2022-03-01 16:51:11,832 INFO L226 Difference]: Without dead ends: 983 [2022-03-01 16:51:11,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:11,832 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 144 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:11,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 527 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2022-03-01 16:51:11,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 919. [2022-03-01 16:51:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 914 states have (on average 1.8063457330415755) internal successors, (1651), 918 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1651 transitions. [2022-03-01 16:51:11,840 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1651 transitions. Word has length 112 [2022-03-01 16:51:11,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:11,840 INFO L470 AbstractCegarLoop]: Abstraction has 919 states and 1651 transitions. [2022-03-01 16:51:11,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1651 transitions. [2022-03-01 16:51:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:11,841 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:11,841 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:11,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-01 16:51:11,841 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:11,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:11,841 INFO L85 PathProgramCache]: Analyzing trace with hash -44036667, now seen corresponding path program 4 times [2022-03-01 16:51:11,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:11,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586381995] [2022-03-01 16:51:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:11,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:12,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:12,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586381995] [2022-03-01 16:51:12,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586381995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:12,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:12,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:12,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335048190] [2022-03-01 16:51:12,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:12,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:12,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:12,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:12,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:12,290 INFO L87 Difference]: Start difference. First operand 919 states and 1651 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:13,718 INFO L93 Difference]: Finished difference Result 1134 states and 2038 transitions. [2022-03-01 16:51:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:51:13,719 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:13,720 INFO L225 Difference]: With dead ends: 1134 [2022-03-01 16:51:13,720 INFO L226 Difference]: Without dead ends: 1134 [2022-03-01 16:51:13,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=441, Invalid=1539, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 16:51:13,720 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 580 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:13,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 1192 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-03-01 16:51:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 921. [2022-03-01 16:51:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 916 states have (on average 1.806768558951965) internal successors, (1655), 920 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1655 transitions. [2022-03-01 16:51:13,729 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1655 transitions. Word has length 112 [2022-03-01 16:51:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:13,729 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1655 transitions. [2022-03-01 16:51:13,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1655 transitions. [2022-03-01 16:51:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:13,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:13,730 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:13,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-01 16:51:13,730 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:13,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1371632225, now seen corresponding path program 5 times [2022-03-01 16:51:13,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:13,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686419227] [2022-03-01 16:51:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:13,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:14,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:14,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686419227] [2022-03-01 16:51:14,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686419227] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:14,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:14,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:14,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037438952] [2022-03-01 16:51:14,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:14,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:14,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:14,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:14,046 INFO L87 Difference]: Start difference. First operand 921 states and 1655 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:14,665 INFO L93 Difference]: Finished difference Result 1045 states and 1875 transitions. [2022-03-01 16:51:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:14,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:14,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:14,667 INFO L225 Difference]: With dead ends: 1045 [2022-03-01 16:51:14,667 INFO L226 Difference]: Without dead ends: 1045 [2022-03-01 16:51:14,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:14,667 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 116 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:14,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 583 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-03-01 16:51:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 920. [2022-03-01 16:51:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 915 states have (on average 1.8065573770491803) internal successors, (1653), 919 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1653 transitions. [2022-03-01 16:51:14,675 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1653 transitions. Word has length 112 [2022-03-01 16:51:14,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:14,675 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1653 transitions. [2022-03-01 16:51:14,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1653 transitions. [2022-03-01 16:51:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:14,676 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:14,676 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:14,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-01 16:51:14,676 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:14,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash 766578191, now seen corresponding path program 6 times [2022-03-01 16:51:14,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:14,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041670981] [2022-03-01 16:51:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:14,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:14,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:14,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041670981] [2022-03-01 16:51:14,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041670981] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:14,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:14,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:14,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265311750] [2022-03-01 16:51:14,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:14,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:14,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:14,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:14,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:14,987 INFO L87 Difference]: Start difference. First operand 920 states and 1653 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:15,418 INFO L93 Difference]: Finished difference Result 1002 states and 1802 transitions. [2022-03-01 16:51:15,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:15,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:15,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:15,420 INFO L225 Difference]: With dead ends: 1002 [2022-03-01 16:51:15,420 INFO L226 Difference]: Without dead ends: 1002 [2022-03-01 16:51:15,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:15,420 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 92 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:15,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 647 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:15,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-03-01 16:51:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 927. [2022-03-01 16:51:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 922 states have (on average 1.8080260303687636) internal successors, (1667), 926 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1667 transitions. [2022-03-01 16:51:15,430 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1667 transitions. Word has length 112 [2022-03-01 16:51:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:15,430 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1667 transitions. [2022-03-01 16:51:15,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1667 transitions. [2022-03-01 16:51:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:15,431 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:15,431 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:15,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-01 16:51:15,431 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:15,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:15,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1069711987, now seen corresponding path program 1 times [2022-03-01 16:51:15,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:15,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335333962] [2022-03-01 16:51:15,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:15,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:15,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:15,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335333962] [2022-03-01 16:51:15,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335333962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:15,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:15,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:15,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058378654] [2022-03-01 16:51:15,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:15,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:15,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:15,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:15,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:15,640 INFO L87 Difference]: Start difference. First operand 927 states and 1667 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:16,123 INFO L93 Difference]: Finished difference Result 1525 states and 2757 transitions. [2022-03-01 16:51:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:16,124 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:16,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:16,125 INFO L225 Difference]: With dead ends: 1525 [2022-03-01 16:51:16,125 INFO L226 Difference]: Without dead ends: 1525 [2022-03-01 16:51:16,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:16,126 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 220 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:16,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 541 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:16,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2022-03-01 16:51:16,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1007. [2022-03-01 16:51:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1002 states have (on average 1.8233532934131738) internal successors, (1827), 1006 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1827 transitions. [2022-03-01 16:51:16,135 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1827 transitions. Word has length 112 [2022-03-01 16:51:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:16,135 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1827 transitions. [2022-03-01 16:51:16,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1827 transitions. [2022-03-01 16:51:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:16,137 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:16,137 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:16,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-01 16:51:16,138 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:16,138 INFO L85 PathProgramCache]: Analyzing trace with hash -724057961, now seen corresponding path program 7 times [2022-03-01 16:51:16,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:16,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210081290] [2022-03-01 16:51:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:16,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:16,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:16,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210081290] [2022-03-01 16:51:16,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210081290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:16,511 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:16,511 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:16,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692776255] [2022-03-01 16:51:16,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:16,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:16,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:16,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:16,511 INFO L87 Difference]: Start difference. First operand 1007 states and 1827 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:17,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:17,225 INFO L93 Difference]: Finished difference Result 1116 states and 2023 transitions. [2022-03-01 16:51:17,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:51:17,226 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:17,227 INFO L225 Difference]: With dead ends: 1116 [2022-03-01 16:51:17,227 INFO L226 Difference]: Without dead ends: 1116 [2022-03-01 16:51:17,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:17,228 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 83 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:17,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 592 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:17,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-03-01 16:51:17,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1010. [2022-03-01 16:51:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 1005 states have (on average 1.8238805970149254) internal successors, (1833), 1009 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1833 transitions. [2022-03-01 16:51:17,236 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1833 transitions. Word has length 112 [2022-03-01 16:51:17,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:17,236 INFO L470 AbstractCegarLoop]: Abstraction has 1010 states and 1833 transitions. [2022-03-01 16:51:17,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1833 transitions. [2022-03-01 16:51:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:17,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:17,237 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:17,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-01 16:51:17,237 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:17,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:17,237 INFO L85 PathProgramCache]: Analyzing trace with hash 691610931, now seen corresponding path program 8 times [2022-03-01 16:51:17,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:17,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284461130] [2022-03-01 16:51:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:17,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:17,689 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:17,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284461130] [2022-03-01 16:51:17,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284461130] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:17,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:17,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:17,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289191792] [2022-03-01 16:51:17,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:17,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:17,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:17,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:17,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:17,690 INFO L87 Difference]: Start difference. First operand 1010 states and 1833 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:19,070 INFO L93 Difference]: Finished difference Result 1253 states and 2270 transitions. [2022-03-01 16:51:19,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:51:19,071 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:19,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:19,072 INFO L225 Difference]: With dead ends: 1253 [2022-03-01 16:51:19,072 INFO L226 Difference]: Without dead ends: 1253 [2022-03-01 16:51:19,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=400, Invalid=1406, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 16:51:19,072 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 715 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:19,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 948 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-03-01 16:51:19,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1009. [2022-03-01 16:51:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1004 states have (on average 1.8237051792828685) internal successors, (1831), 1008 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1831 transitions. [2022-03-01 16:51:19,081 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1831 transitions. Word has length 112 [2022-03-01 16:51:19,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:19,081 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1831 transitions. [2022-03-01 16:51:19,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1831 transitions. [2022-03-01 16:51:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:19,082 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:19,082 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:19,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-01 16:51:19,082 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:19,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:19,083 INFO L85 PathProgramCache]: Analyzing trace with hash 86556897, now seen corresponding path program 9 times [2022-03-01 16:51:19,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:19,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244805255] [2022-03-01 16:51:19,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:19,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:19,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:19,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244805255] [2022-03-01 16:51:19,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244805255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:19,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:19,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:19,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090516727] [2022-03-01 16:51:19,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:19,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:19,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:19,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:19,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:19,541 INFO L87 Difference]: Start difference. First operand 1009 states and 1831 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:20,781 INFO L93 Difference]: Finished difference Result 1268 states and 2300 transitions. [2022-03-01 16:51:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:51:20,781 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:20,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:20,783 INFO L225 Difference]: With dead ends: 1268 [2022-03-01 16:51:20,783 INFO L226 Difference]: Without dead ends: 1268 [2022-03-01 16:51:20,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=379, Invalid=1343, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:51:20,783 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 593 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:20,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 959 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-03-01 16:51:20,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1008. [2022-03-01 16:51:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1003 states have (on average 1.8235294117647058) internal successors, (1829), 1007 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1829 transitions. [2022-03-01 16:51:20,792 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1829 transitions. Word has length 112 [2022-03-01 16:51:20,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:20,792 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1829 transitions. [2022-03-01 16:51:20,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1829 transitions. [2022-03-01 16:51:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:20,793 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:20,793 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:20,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-01 16:51:20,794 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:20,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash 118066209, now seen corresponding path program 10 times [2022-03-01 16:51:20,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:20,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062877890] [2022-03-01 16:51:20,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:20,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:21,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:21,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062877890] [2022-03-01 16:51:21,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062877890] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:21,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:21,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:21,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478648621] [2022-03-01 16:51:21,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:21,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:21,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:21,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:21,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:21,103 INFO L87 Difference]: Start difference. First operand 1008 states and 1829 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:21,497 INFO L93 Difference]: Finished difference Result 1099 states and 1996 transitions. [2022-03-01 16:51:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:21,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:21,499 INFO L225 Difference]: With dead ends: 1099 [2022-03-01 16:51:21,499 INFO L226 Difference]: Without dead ends: 1099 [2022-03-01 16:51:21,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:21,499 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 77 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:21,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:21,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-03-01 16:51:21,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1014. [2022-03-01 16:51:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1009 states have (on average 1.8245787908820614) internal successors, (1841), 1013 states have internal predecessors, (1841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1841 transitions. [2022-03-01 16:51:21,507 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1841 transitions. Word has length 112 [2022-03-01 16:51:21,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:21,507 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1841 transitions. [2022-03-01 16:51:21,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1841 transitions. [2022-03-01 16:51:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:21,508 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:21,508 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:21,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-01 16:51:21,508 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1712150713, now seen corresponding path program 2 times [2022-03-01 16:51:21,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:21,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191010032] [2022-03-01 16:51:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:21,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:21,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191010032] [2022-03-01 16:51:21,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191010032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:21,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:21,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:21,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433679980] [2022-03-01 16:51:21,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:21,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:21,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:21,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:21,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:21,773 INFO L87 Difference]: Start difference. First operand 1014 states and 1841 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:22,218 INFO L93 Difference]: Finished difference Result 1504 states and 2715 transitions. [2022-03-01 16:51:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:22,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:22,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:22,220 INFO L225 Difference]: With dead ends: 1504 [2022-03-01 16:51:22,220 INFO L226 Difference]: Without dead ends: 1504 [2022-03-01 16:51:22,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:22,221 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 192 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:22,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 460 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:22,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2022-03-01 16:51:22,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1026. [2022-03-01 16:51:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1021 states have (on average 1.8266405484818804) internal successors, (1865), 1025 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1865 transitions. [2022-03-01 16:51:22,231 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1865 transitions. Word has length 112 [2022-03-01 16:51:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:22,231 INFO L470 AbstractCegarLoop]: Abstraction has 1026 states and 1865 transitions. [2022-03-01 16:51:22,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1865 transitions. [2022-03-01 16:51:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:22,232 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:22,232 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:22,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-01 16:51:22,232 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash 449442281, now seen corresponding path program 11 times [2022-03-01 16:51:22,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:22,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085688964] [2022-03-01 16:51:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:22,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:22,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:22,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085688964] [2022-03-01 16:51:22,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085688964] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:22,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:22,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:22,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694699336] [2022-03-01 16:51:22,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:22,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:22,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:22,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:22,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:22,747 INFO L87 Difference]: Start difference. First operand 1026 states and 1865 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:24,234 INFO L93 Difference]: Finished difference Result 1621 states and 2925 transitions. [2022-03-01 16:51:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:51:24,234 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:24,236 INFO L225 Difference]: With dead ends: 1621 [2022-03-01 16:51:24,236 INFO L226 Difference]: Without dead ends: 1621 [2022-03-01 16:51:24,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2022-03-01 16:51:24,236 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 917 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:24,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [917 Valid, 1026 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:51:24,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2022-03-01 16:51:24,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1153. [2022-03-01 16:51:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1148 states have (on average 1.8414634146341464) internal successors, (2114), 1152 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2114 transitions. [2022-03-01 16:51:24,247 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2114 transitions. Word has length 112 [2022-03-01 16:51:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:24,247 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2114 transitions. [2022-03-01 16:51:24,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2114 transitions. [2022-03-01 16:51:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:24,248 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:24,248 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:24,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-01 16:51:24,248 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash -712852851, now seen corresponding path program 3 times [2022-03-01 16:51:24,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:24,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509606454] [2022-03-01 16:51:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:24,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:24,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:24,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509606454] [2022-03-01 16:51:24,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509606454] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:24,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:24,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:24,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939419903] [2022-03-01 16:51:24,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:24,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:24,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:24,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:24,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:24,712 INFO L87 Difference]: Start difference. First operand 1153 states and 2114 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:27,045 INFO L93 Difference]: Finished difference Result 1583 states and 2853 transitions. [2022-03-01 16:51:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:51:27,045 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:27,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:27,047 INFO L225 Difference]: With dead ends: 1583 [2022-03-01 16:51:27,047 INFO L226 Difference]: Without dead ends: 1583 [2022-03-01 16:51:27,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1110 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1106, Invalid=3184, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:51:27,047 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 908 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:27,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 929 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:27,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-01 16:51:27,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1153. [2022-03-01 16:51:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1148 states have (on average 1.8405923344947734) internal successors, (2113), 1152 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2113 transitions. [2022-03-01 16:51:27,058 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2113 transitions. Word has length 112 [2022-03-01 16:51:27,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:27,058 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2113 transitions. [2022-03-01 16:51:27,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2113 transitions. [2022-03-01 16:51:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:27,059 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:27,059 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:27,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-01 16:51:27,059 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:27,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:27,059 INFO L85 PathProgramCache]: Analyzing trace with hash 589616681, now seen corresponding path program 12 times [2022-03-01 16:51:27,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:27,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081313528] [2022-03-01 16:51:27,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:27,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:27,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081313528] [2022-03-01 16:51:27,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081313528] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:27,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:27,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:27,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234305432] [2022-03-01 16:51:27,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:27,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:27,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:27,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:27,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:27,443 INFO L87 Difference]: Start difference. First operand 1153 states and 2113 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:27,993 INFO L93 Difference]: Finished difference Result 1438 states and 2606 transitions. [2022-03-01 16:51:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:27,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:27,995 INFO L225 Difference]: With dead ends: 1438 [2022-03-01 16:51:27,995 INFO L226 Difference]: Without dead ends: 1438 [2022-03-01 16:51:27,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:27,995 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 156 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:27,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 416 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:27,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2022-03-01 16:51:28,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1154. [2022-03-01 16:51:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1149 states have (on average 1.8407310704960835) internal successors, (2115), 1153 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 2115 transitions. [2022-03-01 16:51:28,005 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 2115 transitions. Word has length 112 [2022-03-01 16:51:28,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:28,005 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 2115 transitions. [2022-03-01 16:51:28,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2115 transitions. [2022-03-01 16:51:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:28,006 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:28,006 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:28,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-01 16:51:28,006 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:28,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2005285573, now seen corresponding path program 13 times [2022-03-01 16:51:28,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:28,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89448536] [2022-03-01 16:51:28,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:28,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:28,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:28,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89448536] [2022-03-01 16:51:28,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89448536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:28,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:28,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:28,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271325721] [2022-03-01 16:51:28,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:28,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:28,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:28,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:28,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:28,360 INFO L87 Difference]: Start difference. First operand 1154 states and 2115 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:28,923 INFO L93 Difference]: Finished difference Result 1462 states and 2648 transitions. [2022-03-01 16:51:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:28,925 INFO L225 Difference]: With dead ends: 1462 [2022-03-01 16:51:28,925 INFO L226 Difference]: Without dead ends: 1462 [2022-03-01 16:51:28,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:28,925 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 154 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:28,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 376 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2022-03-01 16:51:28,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1153. [2022-03-01 16:51:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1148 states have (on average 1.8405923344947734) internal successors, (2113), 1152 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2113 transitions. [2022-03-01 16:51:28,935 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2113 transitions. Word has length 112 [2022-03-01 16:51:28,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:28,935 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2113 transitions. [2022-03-01 16:51:28,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2113 transitions. [2022-03-01 16:51:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:28,936 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:28,936 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:28,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-01 16:51:28,936 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:28,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1400231539, now seen corresponding path program 14 times [2022-03-01 16:51:28,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:28,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749338189] [2022-03-01 16:51:28,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:29,291 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:29,291 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749338189] [2022-03-01 16:51:29,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749338189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:29,291 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:29,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:29,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027980646] [2022-03-01 16:51:29,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:29,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:29,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:29,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:29,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:29,292 INFO L87 Difference]: Start difference. First operand 1153 states and 2113 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:29,834 INFO L93 Difference]: Finished difference Result 1477 states and 2678 transitions. [2022-03-01 16:51:29,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:29,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:29,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:29,836 INFO L225 Difference]: With dead ends: 1477 [2022-03-01 16:51:29,836 INFO L226 Difference]: Without dead ends: 1477 [2022-03-01 16:51:29,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:29,837 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 136 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:29,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 421 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-03-01 16:51:29,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1152. [2022-03-01 16:51:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1147 states have (on average 1.8404533565823888) internal successors, (2111), 1151 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 2111 transitions. [2022-03-01 16:51:29,846 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 2111 transitions. Word has length 112 [2022-03-01 16:51:29,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:29,846 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 2111 transitions. [2022-03-01 16:51:29,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2111 transitions. [2022-03-01 16:51:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:29,847 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:29,848 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:29,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-01 16:51:29,848 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:29,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1431740851, now seen corresponding path program 15 times [2022-03-01 16:51:29,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:29,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390295390] [2022-03-01 16:51:29,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:30,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:30,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390295390] [2022-03-01 16:51:30,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390295390] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:30,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:30,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:30,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205529192] [2022-03-01 16:51:30,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:30,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:30,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:30,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:30,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:30,185 INFO L87 Difference]: Start difference. First operand 1152 states and 2111 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:30,769 INFO L93 Difference]: Finished difference Result 1460 states and 2650 transitions. [2022-03-01 16:51:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:30,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:30,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:30,770 INFO L225 Difference]: With dead ends: 1460 [2022-03-01 16:51:30,770 INFO L226 Difference]: Without dead ends: 1460 [2022-03-01 16:51:30,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:30,771 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 129 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:30,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 542 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:30,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-03-01 16:51:30,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1139. [2022-03-01 16:51:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8386243386243386) internal successors, (2085), 1138 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2085 transitions. [2022-03-01 16:51:30,782 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2085 transitions. Word has length 112 [2022-03-01 16:51:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:30,782 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2085 transitions. [2022-03-01 16:51:30,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2085 transitions. [2022-03-01 16:51:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:30,783 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:30,783 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:30,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-01 16:51:30,784 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:30,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1523314844, now seen corresponding path program 1 times [2022-03-01 16:51:30,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:30,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201692224] [2022-03-01 16:51:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:30,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:30,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:30,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201692224] [2022-03-01 16:51:30,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201692224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:30,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:30,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:51:30,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705797276] [2022-03-01 16:51:30,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:30,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:51:30,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:30,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:51:30,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:51:30,861 INFO L87 Difference]: Start difference. First operand 1139 states and 2085 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:31,059 INFO L93 Difference]: Finished difference Result 1209 states and 2218 transitions. [2022-03-01 16:51:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:51:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:31,060 INFO L225 Difference]: With dead ends: 1209 [2022-03-01 16:51:31,060 INFO L226 Difference]: Without dead ends: 1209 [2022-03-01 16:51:31,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:31,061 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 112 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:31,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 301 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:51:31,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-03-01 16:51:31,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1144. [2022-03-01 16:51:31,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1139 states have (on average 1.839332748024583) internal successors, (2095), 1143 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2095 transitions. [2022-03-01 16:51:31,070 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2095 transitions. Word has length 112 [2022-03-01 16:51:31,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:31,071 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2095 transitions. [2022-03-01 16:51:31,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2095 transitions. [2022-03-01 16:51:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:31,072 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:31,072 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:31,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-01 16:51:31,072 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:31,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:31,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1436623034, now seen corresponding path program 2 times [2022-03-01 16:51:31,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:31,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56168537] [2022-03-01 16:51:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:31,189 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:31,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56168537] [2022-03-01 16:51:31,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56168537] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:31,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:31,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:51:31,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262718837] [2022-03-01 16:51:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:31,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:51:31,190 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:31,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:51:31,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:51:31,191 INFO L87 Difference]: Start difference. First operand 1144 states and 2095 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:31,484 INFO L93 Difference]: Finished difference Result 1227 states and 2252 transitions. [2022-03-01 16:51:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:51:31,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:31,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:31,486 INFO L225 Difference]: With dead ends: 1227 [2022-03-01 16:51:31,486 INFO L226 Difference]: Without dead ends: 1227 [2022-03-01 16:51:31,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:31,486 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 112 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:31,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 442 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:51:31,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-03-01 16:51:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1151. [2022-03-01 16:51:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1146 states have (on average 1.8403141361256545) internal successors, (2109), 1150 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2109 transitions. [2022-03-01 16:51:31,496 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2109 transitions. Word has length 112 [2022-03-01 16:51:31,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:31,496 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2109 transitions. [2022-03-01 16:51:31,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2109 transitions. [2022-03-01 16:51:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:31,497 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:31,497 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:31,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-01 16:51:31,497 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:31,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:31,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1433797694, now seen corresponding path program 3 times [2022-03-01 16:51:31,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:31,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812256605] [2022-03-01 16:51:31,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:31,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:31,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:31,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812256605] [2022-03-01 16:51:31,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812256605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:31,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:31,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:31,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484227500] [2022-03-01 16:51:31,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:31,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:31,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:31,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:31,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:31,685 INFO L87 Difference]: Start difference. First operand 1151 states and 2109 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:32,172 INFO L93 Difference]: Finished difference Result 1489 states and 2694 transitions. [2022-03-01 16:51:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:32,173 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:32,175 INFO L225 Difference]: With dead ends: 1489 [2022-03-01 16:51:32,175 INFO L226 Difference]: Without dead ends: 1489 [2022-03-01 16:51:32,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:32,175 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 203 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:32,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 431 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2022-03-01 16:51:32,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1163. [2022-03-01 16:51:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1158 states have (on average 1.8419689119170986) internal successors, (2133), 1162 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2133 transitions. [2022-03-01 16:51:32,189 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2133 transitions. Word has length 112 [2022-03-01 16:51:32,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:32,190 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2133 transitions. [2022-03-01 16:51:32,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2133 transitions. [2022-03-01 16:51:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:32,191 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:32,192 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:32,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-01 16:51:32,192 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:32,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1433705624, now seen corresponding path program 4 times [2022-03-01 16:51:32,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:32,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250123673] [2022-03-01 16:51:32,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:32,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:32,436 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:32,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250123673] [2022-03-01 16:51:32,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250123673] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:32,436 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:32,436 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:32,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015707699] [2022-03-01 16:51:32,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:32,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:32,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:32,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:32,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:32,437 INFO L87 Difference]: Start difference. First operand 1163 states and 2133 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:32,874 INFO L93 Difference]: Finished difference Result 1467 states and 2651 transitions. [2022-03-01 16:51:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:32,874 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:32,876 INFO L225 Difference]: With dead ends: 1467 [2022-03-01 16:51:32,876 INFO L226 Difference]: Without dead ends: 1467 [2022-03-01 16:51:32,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:32,876 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 185 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:32,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 504 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-03-01 16:51:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1163. [2022-03-01 16:51:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1158 states have (on average 1.8411053540587219) internal successors, (2132), 1162 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2132 transitions. [2022-03-01 16:51:32,887 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2132 transitions. Word has length 112 [2022-03-01 16:51:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:32,887 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2132 transitions. [2022-03-01 16:51:32,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2132 transitions. [2022-03-01 16:51:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:32,888 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:32,888 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:32,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-01 16:51:32,888 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:32,889 INFO L85 PathProgramCache]: Analyzing trace with hash 780760396, now seen corresponding path program 5 times [2022-03-01 16:51:32,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:32,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307567414] [2022-03-01 16:51:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:32,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:33,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:33,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307567414] [2022-03-01 16:51:33,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307567414] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:33,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:33,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:33,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622768814] [2022-03-01 16:51:33,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:33,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:33,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:33,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:33,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:33,167 INFO L87 Difference]: Start difference. First operand 1163 states and 2132 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:33,605 INFO L93 Difference]: Finished difference Result 1441 states and 2600 transitions. [2022-03-01 16:51:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:33,607 INFO L225 Difference]: With dead ends: 1441 [2022-03-01 16:51:33,607 INFO L226 Difference]: Without dead ends: 1441 [2022-03-01 16:51:33,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:33,608 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 205 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:33,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 439 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:33,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2022-03-01 16:51:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1173. [2022-03-01 16:51:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1168 states have (on average 1.841609589041096) internal successors, (2151), 1172 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2151 transitions. [2022-03-01 16:51:33,619 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2151 transitions. Word has length 112 [2022-03-01 16:51:33,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:33,619 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2151 transitions. [2022-03-01 16:51:33,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2151 transitions. [2022-03-01 16:51:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:33,621 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:33,621 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:33,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-01 16:51:33,621 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:33,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:33,621 INFO L85 PathProgramCache]: Analyzing trace with hash 495289896, now seen corresponding path program 6 times [2022-03-01 16:51:33,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:33,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943804400] [2022-03-01 16:51:33,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:33,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:33,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:33,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943804400] [2022-03-01 16:51:33,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943804400] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:33,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:33,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:33,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159036497] [2022-03-01 16:51:33,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:33,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:33,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:33,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:33,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:33,948 INFO L87 Difference]: Start difference. First operand 1173 states and 2151 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:34,372 INFO L93 Difference]: Finished difference Result 1429 states and 2578 transitions. [2022-03-01 16:51:34,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:34,373 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:34,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:34,374 INFO L225 Difference]: With dead ends: 1429 [2022-03-01 16:51:34,374 INFO L226 Difference]: Without dead ends: 1429 [2022-03-01 16:51:34,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:34,375 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 180 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:34,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 427 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:34,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2022-03-01 16:51:34,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1184. [2022-03-01 16:51:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1179 states have (on average 1.8337574215436812) internal successors, (2162), 1183 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2162 transitions. [2022-03-01 16:51:34,386 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2162 transitions. Word has length 112 [2022-03-01 16:51:34,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:34,386 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2162 transitions. [2022-03-01 16:51:34,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2162 transitions. [2022-03-01 16:51:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:34,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:34,387 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:34,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-01 16:51:34,387 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:34,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:34,388 INFO L85 PathProgramCache]: Analyzing trace with hash -91125687, now seen corresponding path program 16 times [2022-03-01 16:51:34,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:34,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082218780] [2022-03-01 16:51:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:34,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:34,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082218780] [2022-03-01 16:51:34,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082218780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:34,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:34,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:34,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99955659] [2022-03-01 16:51:34,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:34,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:34,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:34,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:34,935 INFO L87 Difference]: Start difference. First operand 1184 states and 2162 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:36,163 INFO L93 Difference]: Finished difference Result 2052 states and 3733 transitions. [2022-03-01 16:51:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:51:36,163 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:36,165 INFO L225 Difference]: With dead ends: 2052 [2022-03-01 16:51:36,165 INFO L226 Difference]: Without dead ends: 2052 [2022-03-01 16:51:36,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=355, Invalid=1285, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:51:36,166 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 727 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:36,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 791 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-03-01 16:51:36,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1276. [2022-03-01 16:51:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1271 states have (on average 1.846577498033045) internal successors, (2347), 1275 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2347 transitions. [2022-03-01 16:51:36,178 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2347 transitions. Word has length 112 [2022-03-01 16:51:36,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:36,178 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 2347 transitions. [2022-03-01 16:51:36,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2347 transitions. [2022-03-01 16:51:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:36,179 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:36,179 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:36,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-01 16:51:36,180 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1042863377, now seen corresponding path program 4 times [2022-03-01 16:51:36,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:36,181 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522757296] [2022-03-01 16:51:36,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:36,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:36,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:36,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522757296] [2022-03-01 16:51:36,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522757296] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:36,412 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:36,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:36,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258601646] [2022-03-01 16:51:36,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:36,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:36,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:36,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:36,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:36,412 INFO L87 Difference]: Start difference. First operand 1276 states and 2347 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:36,838 INFO L93 Difference]: Finished difference Result 1658 states and 3011 transitions. [2022-03-01 16:51:36,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:36,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:36,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:36,840 INFO L225 Difference]: With dead ends: 1658 [2022-03-01 16:51:36,840 INFO L226 Difference]: Without dead ends: 1658 [2022-03-01 16:51:36,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:36,840 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 203 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:36,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 518 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2022-03-01 16:51:36,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1274. [2022-03-01 16:51:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 1269 states have (on average 1.846335697399527) internal successors, (2343), 1273 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 2343 transitions. [2022-03-01 16:51:36,851 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 2343 transitions. Word has length 112 [2022-03-01 16:51:36,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:36,851 INFO L470 AbstractCegarLoop]: Abstraction has 1274 states and 2343 transitions. [2022-03-01 16:51:36,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 2343 transitions. [2022-03-01 16:51:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:36,852 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:36,852 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:36,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-01 16:51:36,853 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:36,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:36,853 INFO L85 PathProgramCache]: Analyzing trace with hash 956572489, now seen corresponding path program 5 times [2022-03-01 16:51:36,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:36,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921290029] [2022-03-01 16:51:36,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:36,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:37,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:37,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921290029] [2022-03-01 16:51:37,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921290029] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:37,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:37,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:37,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850963432] [2022-03-01 16:51:37,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:37,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:37,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:37,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:37,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:37,197 INFO L87 Difference]: Start difference. First operand 1274 states and 2343 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:37,594 INFO L93 Difference]: Finished difference Result 1622 states and 2939 transitions. [2022-03-01 16:51:37,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:37,594 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:37,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:37,596 INFO L225 Difference]: With dead ends: 1622 [2022-03-01 16:51:37,596 INFO L226 Difference]: Without dead ends: 1622 [2022-03-01 16:51:37,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:37,596 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 219 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:37,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 390 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:37,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2022-03-01 16:51:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1268. [2022-03-01 16:51:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1263 states have (on average 1.845605700712589) internal successors, (2331), 1267 states have internal predecessors, (2331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2331 transitions. [2022-03-01 16:51:37,607 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2331 transitions. Word has length 112 [2022-03-01 16:51:37,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:37,607 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2331 transitions. [2022-03-01 16:51:37,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2331 transitions. [2022-03-01 16:51:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:37,608 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:37,608 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:37,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-01 16:51:37,608 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:37,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:37,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1253420819, now seen corresponding path program 6 times [2022-03-01 16:51:37,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:37,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071340301] [2022-03-01 16:51:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:38,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:38,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071340301] [2022-03-01 16:51:38,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071340301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:38,032 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:38,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:38,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264571460] [2022-03-01 16:51:38,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:38,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:38,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:38,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:38,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:38,033 INFO L87 Difference]: Start difference. First operand 1268 states and 2331 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:38,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:38,517 INFO L93 Difference]: Finished difference Result 1592 states and 2878 transitions. [2022-03-01 16:51:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:38,519 INFO L225 Difference]: With dead ends: 1592 [2022-03-01 16:51:38,519 INFO L226 Difference]: Without dead ends: 1592 [2022-03-01 16:51:38,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:38,519 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 200 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:38,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 483 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:38,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2022-03-01 16:51:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1266. [2022-03-01 16:51:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1261 states have (on average 1.84456780333069) internal successors, (2326), 1265 states have internal predecessors, (2326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 2326 transitions. [2022-03-01 16:51:38,529 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 2326 transitions. Word has length 112 [2022-03-01 16:51:38,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:38,529 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 2326 transitions. [2022-03-01 16:51:38,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 2326 transitions. [2022-03-01 16:51:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:38,530 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:38,530 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:38,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-01 16:51:38,530 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:38,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1704573036, now seen corresponding path program 7 times [2022-03-01 16:51:38,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:38,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333932114] [2022-03-01 16:51:38,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:38,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:38,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:38,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333932114] [2022-03-01 16:51:38,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333932114] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:38,706 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:38,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:38,706 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292875108] [2022-03-01 16:51:38,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:38,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:38,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:38,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:38,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:38,707 INFO L87 Difference]: Start difference. First operand 1266 states and 2326 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:39,088 INFO L93 Difference]: Finished difference Result 1644 states and 2987 transitions. [2022-03-01 16:51:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:39,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:39,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:39,090 INFO L225 Difference]: With dead ends: 1644 [2022-03-01 16:51:39,090 INFO L226 Difference]: Without dead ends: 1644 [2022-03-01 16:51:39,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:39,091 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 198 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:39,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 490 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:39,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-03-01 16:51:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1267. [2022-03-01 16:51:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1262 states have (on average 1.8446909667194928) internal successors, (2328), 1266 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 2328 transitions. [2022-03-01 16:51:39,101 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 2328 transitions. Word has length 112 [2022-03-01 16:51:39,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:39,102 INFO L470 AbstractCegarLoop]: Abstraction has 1267 states and 2328 transitions. [2022-03-01 16:51:39,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2328 transitions. [2022-03-01 16:51:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:39,103 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:39,103 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:39,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-01 16:51:39,103 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:39,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:39,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1704480966, now seen corresponding path program 8 times [2022-03-01 16:51:39,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:39,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380488077] [2022-03-01 16:51:39,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:39,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:39,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380488077] [2022-03-01 16:51:39,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380488077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:39,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:39,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:39,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915808524] [2022-03-01 16:51:39,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:39,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:39,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:39,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:39,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:39,334 INFO L87 Difference]: Start difference. First operand 1267 states and 2328 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:39,713 INFO L93 Difference]: Finished difference Result 1609 states and 2918 transitions. [2022-03-01 16:51:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:39,715 INFO L225 Difference]: With dead ends: 1609 [2022-03-01 16:51:39,715 INFO L226 Difference]: Without dead ends: 1609 [2022-03-01 16:51:39,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:39,715 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 204 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:39,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 421 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2022-03-01 16:51:39,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1239. [2022-03-01 16:51:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1234 states have (on average 1.8411669367909238) internal successors, (2272), 1238 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2272 transitions. [2022-03-01 16:51:39,726 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2272 transitions. Word has length 112 [2022-03-01 16:51:39,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:39,726 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2272 transitions. [2022-03-01 16:51:39,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2272 transitions. [2022-03-01 16:51:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:39,727 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:39,727 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:39,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-01 16:51:39,727 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:39,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:39,727 INFO L85 PathProgramCache]: Analyzing trace with hash -604320372, now seen corresponding path program 9 times [2022-03-01 16:51:39,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:39,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251051660] [2022-03-01 16:51:39,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:39,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:39,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:39,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251051660] [2022-03-01 16:51:39,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251051660] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:39,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:39,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:39,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121985773] [2022-03-01 16:51:39,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:39,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:39,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:39,996 INFO L87 Difference]: Start difference. First operand 1239 states and 2272 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:40,389 INFO L93 Difference]: Finished difference Result 1577 states and 2855 transitions. [2022-03-01 16:51:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:40,389 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:40,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:40,400 INFO L225 Difference]: With dead ends: 1577 [2022-03-01 16:51:40,400 INFO L226 Difference]: Without dead ends: 1577 [2022-03-01 16:51:40,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:40,401 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 203 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:40,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 418 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:40,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2022-03-01 16:51:40,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1213. [2022-03-01 16:51:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1208 states have (on average 1.8377483443708609) internal successors, (2220), 1212 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 2220 transitions. [2022-03-01 16:51:40,411 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 2220 transitions. Word has length 112 [2022-03-01 16:51:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:40,411 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 2220 transitions. [2022-03-01 16:51:40,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 2220 transitions. [2022-03-01 16:51:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:40,413 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:40,413 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:40,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-01 16:51:40,413 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:40,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash 905991226, now seen corresponding path program 10 times [2022-03-01 16:51:40,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:40,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021215421] [2022-03-01 16:51:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:40,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:40,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:40,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021215421] [2022-03-01 16:51:40,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021215421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:40,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:40,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:40,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386666050] [2022-03-01 16:51:40,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:40,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:40,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:40,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:40,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:40,759 INFO L87 Difference]: Start difference. First operand 1213 states and 2220 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:41,162 INFO L93 Difference]: Finished difference Result 1565 states and 2833 transitions. [2022-03-01 16:51:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:41,162 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:41,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:41,164 INFO L225 Difference]: With dead ends: 1565 [2022-03-01 16:51:41,164 INFO L226 Difference]: Without dead ends: 1565 [2022-03-01 16:51:41,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:41,174 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 193 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:41,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 374 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-03-01 16:51:41,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1061. [2022-03-01 16:51:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1056 states have (on average 1.8210227272727273) internal successors, (1923), 1060 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1923 transitions. [2022-03-01 16:51:41,183 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1923 transitions. Word has length 112 [2022-03-01 16:51:41,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:41,183 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 1923 transitions. [2022-03-01 16:51:41,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1923 transitions. [2022-03-01 16:51:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:41,184 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:41,184 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:41,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-01 16:51:41,185 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:41,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:41,185 INFO L85 PathProgramCache]: Analyzing trace with hash -462796327, now seen corresponding path program 17 times [2022-03-01 16:51:41,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:41,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560058239] [2022-03-01 16:51:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:41,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:41,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:41,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560058239] [2022-03-01 16:51:41,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560058239] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:41,524 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:41,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:41,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609238509] [2022-03-01 16:51:41,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:41,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:41,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:41,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:41,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:41,525 INFO L87 Difference]: Start difference. First operand 1061 states and 1923 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:41,963 INFO L93 Difference]: Finished difference Result 1612 states and 2917 transitions. [2022-03-01 16:51:41,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:41,963 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:41,965 INFO L225 Difference]: With dead ends: 1612 [2022-03-01 16:51:41,965 INFO L226 Difference]: Without dead ends: 1612 [2022-03-01 16:51:41,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:41,966 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 206 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:41,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 396 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2022-03-01 16:51:41,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 950. [2022-03-01 16:51:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 945 states have (on average 1.8052910052910054) internal successors, (1706), 949 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1706 transitions. [2022-03-01 16:51:41,984 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1706 transitions. Word has length 112 [2022-03-01 16:51:41,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:41,984 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1706 transitions. [2022-03-01 16:51:41,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1706 transitions. [2022-03-01 16:51:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:41,985 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:41,985 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:41,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-01 16:51:41,986 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:41,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:41,986 INFO L85 PathProgramCache]: Analyzing trace with hash -322621927, now seen corresponding path program 18 times [2022-03-01 16:51:41,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:41,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482573335] [2022-03-01 16:51:41,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:41,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:42,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:42,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482573335] [2022-03-01 16:51:42,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482573335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:42,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:42,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:42,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752680783] [2022-03-01 16:51:42,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:42,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:42,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:42,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:42,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:42,376 INFO L87 Difference]: Start difference. First operand 950 states and 1706 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:42,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:42,964 INFO L93 Difference]: Finished difference Result 1007 states and 1802 transitions. [2022-03-01 16:51:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:42,965 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:42,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:42,966 INFO L225 Difference]: With dead ends: 1007 [2022-03-01 16:51:42,966 INFO L226 Difference]: Without dead ends: 1007 [2022-03-01 16:51:42,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:42,966 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:42,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 350 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:42,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2022-03-01 16:51:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 949. [2022-03-01 16:51:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 944 states have (on average 1.80614406779661) internal successors, (1705), 948 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1705 transitions. [2022-03-01 16:51:42,973 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1705 transitions. Word has length 112 [2022-03-01 16:51:42,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:42,973 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1705 transitions. [2022-03-01 16:51:42,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1705 transitions. [2022-03-01 16:51:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:42,974 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:42,974 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:42,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-01 16:51:42,974 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:42,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1093046965, now seen corresponding path program 19 times [2022-03-01 16:51:42,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:42,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57935754] [2022-03-01 16:51:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:43,341 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:43,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57935754] [2022-03-01 16:51:43,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57935754] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:43,341 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:43,341 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:43,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229488566] [2022-03-01 16:51:43,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:43,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:43,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:43,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:43,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:43,342 INFO L87 Difference]: Start difference. First operand 949 states and 1705 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:43,871 INFO L93 Difference]: Finished difference Result 1031 states and 1844 transitions. [2022-03-01 16:51:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:43,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:43,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:43,872 INFO L225 Difference]: With dead ends: 1031 [2022-03-01 16:51:43,872 INFO L226 Difference]: Without dead ends: 1031 [2022-03-01 16:51:43,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:43,873 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 143 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:43,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 349 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-03-01 16:51:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 948. [2022-03-01 16:51:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 943 states have (on average 1.8059384941675505) internal successors, (1703), 947 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1703 transitions. [2022-03-01 16:51:43,880 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1703 transitions. Word has length 112 [2022-03-01 16:51:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:43,880 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1703 transitions. [2022-03-01 16:51:43,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1703 transitions. [2022-03-01 16:51:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:43,881 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:43,881 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:43,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-01 16:51:43,881 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:43,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:43,881 INFO L85 PathProgramCache]: Analyzing trace with hash 487992931, now seen corresponding path program 20 times [2022-03-01 16:51:43,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:43,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583460342] [2022-03-01 16:51:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:43,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:44,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:44,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583460342] [2022-03-01 16:51:44,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583460342] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:44,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:44,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:44,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098806754] [2022-03-01 16:51:44,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:44,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:44,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:44,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:44,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:44,466 INFO L87 Difference]: Start difference. First operand 948 states and 1703 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:46,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:46,154 INFO L93 Difference]: Finished difference Result 1542 states and 2785 transitions. [2022-03-01 16:51:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:51:46,154 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:46,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:46,156 INFO L225 Difference]: With dead ends: 1542 [2022-03-01 16:51:46,156 INFO L226 Difference]: Without dead ends: 1542 [2022-03-01 16:51:46,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:51:46,156 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 513 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:46,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [513 Valid, 881 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:51:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2022-03-01 16:51:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 947. [2022-03-01 16:51:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 942 states have (on average 1.805732484076433) internal successors, (1701), 946 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1701 transitions. [2022-03-01 16:51:46,170 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1701 transitions. Word has length 112 [2022-03-01 16:51:46,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:46,170 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1701 transitions. [2022-03-01 16:51:46,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1701 transitions. [2022-03-01 16:51:46,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:46,172 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:46,172 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:46,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-01 16:51:46,172 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:46,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:46,172 INFO L85 PathProgramCache]: Analyzing trace with hash 519502243, now seen corresponding path program 21 times [2022-03-01 16:51:46,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:46,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326939515] [2022-03-01 16:51:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:46,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:46,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:46,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326939515] [2022-03-01 16:51:46,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326939515] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:46,748 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:46,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:46,748 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781794309] [2022-03-01 16:51:46,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:46,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:46,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:46,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:46,748 INFO L87 Difference]: Start difference. First operand 947 states and 1701 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:48,269 INFO L93 Difference]: Finished difference Result 1525 states and 2757 transitions. [2022-03-01 16:51:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:51:48,269 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:48,271 INFO L225 Difference]: With dead ends: 1525 [2022-03-01 16:51:48,271 INFO L226 Difference]: Without dead ends: 1525 [2022-03-01 16:51:48,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=1103, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:51:48,272 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 515 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:48,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 761 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:51:48,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2022-03-01 16:51:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 906. [2022-03-01 16:51:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-03-01 16:51:48,281 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-03-01 16:51:48,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:48,281 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-03-01 16:51:48,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-03-01 16:51:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:48,282 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:48,282 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:48,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-01 16:51:48,282 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:48,283 INFO L85 PathProgramCache]: Analyzing trace with hash 758665228, now seen corresponding path program 11 times [2022-03-01 16:51:48,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:48,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691667541] [2022-03-01 16:51:48,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:48,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:48,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:48,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691667541] [2022-03-01 16:51:48,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691667541] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:48,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:48,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:48,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942225490] [2022-03-01 16:51:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:48,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:48,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:48,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:48,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:48,683 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:49,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:49,339 INFO L93 Difference]: Finished difference Result 939 states and 1681 transitions. [2022-03-01 16:51:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:49,339 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:49,341 INFO L225 Difference]: With dead ends: 939 [2022-03-01 16:51:49,341 INFO L226 Difference]: Without dead ends: 939 [2022-03-01 16:51:49,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:49,341 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 153 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:49,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 469 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:49,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2022-03-01 16:51:49,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 906. [2022-03-01 16:51:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-03-01 16:51:49,349 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-03-01 16:51:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:49,349 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-03-01 16:51:49,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-03-01 16:51:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:49,350 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:49,350 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:49,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-01 16:51:49,350 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:49,350 INFO L85 PathProgramCache]: Analyzing trace with hash -786041846, now seen corresponding path program 12 times [2022-03-01 16:51:49,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:49,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493831702] [2022-03-01 16:51:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:49,736 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:49,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493831702] [2022-03-01 16:51:49,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493831702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:49,736 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:49,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:49,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037785360] [2022-03-01 16:51:49,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:49,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:49,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:49,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:49,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:49,737 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:50,239 INFO L93 Difference]: Finished difference Result 951 states and 1699 transitions. [2022-03-01 16:51:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:50,240 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:50,241 INFO L225 Difference]: With dead ends: 951 [2022-03-01 16:51:50,241 INFO L226 Difference]: Without dead ends: 951 [2022-03-01 16:51:50,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:50,241 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 159 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:50,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 323 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:50,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-03-01 16:51:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 906. [2022-03-01 16:51:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-03-01 16:51:50,248 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-03-01 16:51:50,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:50,248 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-03-01 16:51:50,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-03-01 16:51:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:50,249 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:50,249 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:50,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-01 16:51:50,249 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash -682618386, now seen corresponding path program 13 times [2022-03-01 16:51:50,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:50,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169419773] [2022-03-01 16:51:50,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:50,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:50,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169419773] [2022-03-01 16:51:50,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169419773] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:50,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:50,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:50,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218303500] [2022-03-01 16:51:50,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:50,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:50,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:50,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:50,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:50,636 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:51,140 INFO L93 Difference]: Finished difference Result 963 states and 1723 transitions. [2022-03-01 16:51:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:51,140 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:51,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:51,142 INFO L225 Difference]: With dead ends: 963 [2022-03-01 16:51:51,142 INFO L226 Difference]: Without dead ends: 963 [2022-03-01 16:51:51,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:51:51,142 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 133 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:51,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 443 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-03-01 16:51:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 906. [2022-03-01 16:51:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-03-01 16:51:51,149 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-03-01 16:51:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:51,149 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-03-01 16:51:51,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-03-01 16:51:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-01 16:51:51,150 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:51,150 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:51,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-01 16:51:51,150 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:51,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:51,151 INFO L85 PathProgramCache]: Analyzing trace with hash -160517464, now seen corresponding path program 14 times [2022-03-01 16:51:51,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:51,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77097285] [2022-03-01 16:51:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:51,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:51,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77097285] [2022-03-01 16:51:51,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77097285] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:51,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:51,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:51,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237575819] [2022-03-01 16:51:51,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:51,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:51,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:51,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:51,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:51,507 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:51,931 INFO L93 Difference]: Finished difference Result 950 states and 1703 transitions. [2022-03-01 16:51:51,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:51,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-03-01 16:51:51,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:51,933 INFO L225 Difference]: With dead ends: 950 [2022-03-01 16:51:51,933 INFO L226 Difference]: Without dead ends: 950 [2022-03-01 16:51:51,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:51,933 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 124 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:51,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 422 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:51,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-03-01 16:51:51,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 881. [2022-03-01 16:51:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 876 states have (on average 1.8047945205479452) internal successors, (1581), 880 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1581 transitions. [2022-03-01 16:51:51,940 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1581 transitions. Word has length 112 [2022-03-01 16:51:51,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:51,940 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1581 transitions. [2022-03-01 16:51:51,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1581 transitions. [2022-03-01 16:51:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:51,941 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:51,941 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:51,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-01 16:51:51,941 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:51,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:51,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1948558631, now seen corresponding path program 1 times [2022-03-01 16:51:51,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:51,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407731399] [2022-03-01 16:51:51,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:51,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:52,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:52,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407731399] [2022-03-01 16:51:52,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407731399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:52,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:52,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:52,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488723774] [2022-03-01 16:51:52,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:52,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:52,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:52,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:52,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:52,577 INFO L87 Difference]: Start difference. First operand 881 states and 1581 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:53,419 INFO L93 Difference]: Finished difference Result 951 states and 1686 transitions. [2022-03-01 16:51:53,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:51:53,419 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:53,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:53,420 INFO L225 Difference]: With dead ends: 951 [2022-03-01 16:51:53,420 INFO L226 Difference]: Without dead ends: 917 [2022-03-01 16:51:53,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:51:53,421 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 532 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:53,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 1254 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:53,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2022-03-01 16:51:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 870. [2022-03-01 16:51:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 865 states have (on average 1.8023121387283236) internal successors, (1559), 869 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1559 transitions. [2022-03-01 16:51:53,428 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1559 transitions. Word has length 113 [2022-03-01 16:51:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:53,428 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1559 transitions. [2022-03-01 16:51:53,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1559 transitions. [2022-03-01 16:51:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:53,429 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:53,429 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:53,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-01 16:51:53,429 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:53,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash 754802339, now seen corresponding path program 2 times [2022-03-01 16:51:53,429 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:53,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121500719] [2022-03-01 16:51:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:53,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:53,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121500719] [2022-03-01 16:51:53,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121500719] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:53,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:53,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:53,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138312261] [2022-03-01 16:51:53,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:53,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:53,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:53,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:53,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:53,764 INFO L87 Difference]: Start difference. First operand 870 states and 1559 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:54,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:54,540 INFO L93 Difference]: Finished difference Result 1109 states and 1961 transitions. [2022-03-01 16:51:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:51:54,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:54,542 INFO L225 Difference]: With dead ends: 1109 [2022-03-01 16:51:54,542 INFO L226 Difference]: Without dead ends: 1086 [2022-03-01 16:51:54,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:54,542 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 221 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:54,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 587 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-03-01 16:51:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 871. [2022-03-01 16:51:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 866 states have (on average 1.8013856812933025) internal successors, (1560), 870 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1560 transitions. [2022-03-01 16:51:54,550 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1560 transitions. Word has length 113 [2022-03-01 16:51:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:54,550 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1560 transitions. [2022-03-01 16:51:54,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1560 transitions. [2022-03-01 16:51:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:54,551 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:54,551 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:54,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-01 16:51:54,551 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:54,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1690865031, now seen corresponding path program 3 times [2022-03-01 16:51:54,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:54,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115754077] [2022-03-01 16:51:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:55,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:55,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115754077] [2022-03-01 16:51:55,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115754077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:55,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:55,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:55,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190264441] [2022-03-01 16:51:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:55,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:55,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:55,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:55,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:55,090 INFO L87 Difference]: Start difference. First operand 871 states and 1560 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:55,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:55,625 INFO L93 Difference]: Finished difference Result 1018 states and 1815 transitions. [2022-03-01 16:51:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:55,626 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:55,627 INFO L225 Difference]: With dead ends: 1018 [2022-03-01 16:51:55,627 INFO L226 Difference]: Without dead ends: 989 [2022-03-01 16:51:55,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:55,627 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 200 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:55,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 742 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-03-01 16:51:55,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 892. [2022-03-01 16:51:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 887 states have (on average 1.7981961668545658) internal successors, (1595), 891 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1595 transitions. [2022-03-01 16:51:55,634 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1595 transitions. Word has length 113 [2022-03-01 16:51:55,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:55,634 INFO L470 AbstractCegarLoop]: Abstraction has 892 states and 1595 transitions. [2022-03-01 16:51:55,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1595 transitions. [2022-03-01 16:51:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:55,635 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:55,635 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:55,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-01 16:51:55,635 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:55,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1232319187, now seen corresponding path program 1 times [2022-03-01 16:51:55,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:55,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534822334] [2022-03-01 16:51:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:55,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:55,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:55,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534822334] [2022-03-01 16:51:55,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534822334] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:55,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:55,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:55,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800969122] [2022-03-01 16:51:55,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:55,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:55,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:55,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:55,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:55,877 INFO L87 Difference]: Start difference. First operand 892 states and 1595 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:56,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:56,355 INFO L93 Difference]: Finished difference Result 1601 states and 2853 transitions. [2022-03-01 16:51:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:51:56,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:56,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:56,356 INFO L225 Difference]: With dead ends: 1601 [2022-03-01 16:51:56,357 INFO L226 Difference]: Without dead ends: 1553 [2022-03-01 16:51:56,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:56,357 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 249 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:56,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 584 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:56,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-03-01 16:51:56,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 960. [2022-03-01 16:51:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 955 states have (on average 1.8083769633507853) internal successors, (1727), 959 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1727 transitions. [2022-03-01 16:51:56,366 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1727 transitions. Word has length 113 [2022-03-01 16:51:56,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:56,366 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1727 transitions. [2022-03-01 16:51:56,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1727 transitions. [2022-03-01 16:51:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:56,367 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:56,367 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:56,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-01 16:51:56,367 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:56,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1365135325, now seen corresponding path program 4 times [2022-03-01 16:51:56,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:56,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587589123] [2022-03-01 16:51:56,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:56,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:56,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:56,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587589123] [2022-03-01 16:51:56,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587589123] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:56,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:56,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:56,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167372775] [2022-03-01 16:51:56,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:56,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:56,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:56,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:56,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:56,892 INFO L87 Difference]: Start difference. First operand 960 states and 1727 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:57,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:57,811 INFO L93 Difference]: Finished difference Result 1181 states and 2103 transitions. [2022-03-01 16:51:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:51:57,812 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:57,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:57,813 INFO L225 Difference]: With dead ends: 1181 [2022-03-01 16:51:57,813 INFO L226 Difference]: Without dead ends: 1158 [2022-03-01 16:51:57,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:57,813 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 190 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:57,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 748 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-03-01 16:51:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 962. [2022-03-01 16:51:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 957 states have (on average 1.8077324973876698) internal successors, (1730), 961 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1730 transitions. [2022-03-01 16:51:57,821 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1730 transitions. Word has length 113 [2022-03-01 16:51:57,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:57,822 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1730 transitions. [2022-03-01 16:51:57,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1730 transitions. [2022-03-01 16:51:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:57,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:57,822 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:57,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-01 16:51:57,823 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:57,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:57,823 INFO L85 PathProgramCache]: Analyzing trace with hash -429072633, now seen corresponding path program 5 times [2022-03-01 16:51:57,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:57,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668506982] [2022-03-01 16:51:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:58,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:58,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668506982] [2022-03-01 16:51:58,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668506982] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:58,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:58,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:58,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476484591] [2022-03-01 16:51:58,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:58,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:58,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:58,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:58,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:58,499 INFO L87 Difference]: Start difference. First operand 962 states and 1730 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:59,758 INFO L93 Difference]: Finished difference Result 1115 states and 1988 transitions. [2022-03-01 16:51:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:51:59,758 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:59,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:59,759 INFO L225 Difference]: With dead ends: 1115 [2022-03-01 16:51:59,759 INFO L226 Difference]: Without dead ends: 1086 [2022-03-01 16:51:59,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:51:59,759 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 579 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:59,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [579 Valid, 1365 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:59,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-03-01 16:51:59,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 961. [2022-03-01 16:51:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 956 states have (on average 1.8085774058577406) internal successors, (1729), 960 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1729 transitions. [2022-03-01 16:51:59,767 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1729 transitions. Word has length 113 [2022-03-01 16:51:59,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:59,767 INFO L470 AbstractCegarLoop]: Abstraction has 961 states and 1729 transitions. [2022-03-01 16:51:59,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1729 transitions. [2022-03-01 16:51:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:59,768 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:59,768 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:59,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-01 16:51:59,768 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:59,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2005878503, now seen corresponding path program 6 times [2022-03-01 16:51:59,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:59,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691108619] [2022-03-01 16:51:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:59,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:00,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:00,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691108619] [2022-03-01 16:52:00,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691108619] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:00,260 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:00,260 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:52:00,260 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149811764] [2022-03-01 16:52:00,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:00,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:52:00,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:00,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:52:00,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:00,261 INFO L87 Difference]: Start difference. First operand 961 states and 1729 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:00,852 INFO L93 Difference]: Finished difference Result 1125 states and 2015 transitions. [2022-03-01 16:52:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:00,853 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:00,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:00,854 INFO L225 Difference]: With dead ends: 1125 [2022-03-01 16:52:00,854 INFO L226 Difference]: Without dead ends: 1089 [2022-03-01 16:52:00,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:00,854 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 155 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:00,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 857 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-03-01 16:52:00,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 977. [2022-03-01 16:52:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 972 states have (on average 1.8117283950617284) internal successors, (1761), 976 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1761 transitions. [2022-03-01 16:52:00,865 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1761 transitions. Word has length 113 [2022-03-01 16:52:00,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:00,865 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1761 transitions. [2022-03-01 16:52:00,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1761 transitions. [2022-03-01 16:52:00,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:00,867 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:00,867 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:00,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-01 16:52:00,867 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:00,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:00,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1198664255, now seen corresponding path program 2 times [2022-03-01 16:52:00,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:00,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526784105] [2022-03-01 16:52:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:00,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:01,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:01,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526784105] [2022-03-01 16:52:01,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526784105] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:01,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:01,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:01,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483615236] [2022-03-01 16:52:01,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:01,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:01,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:01,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:01,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:01,253 INFO L87 Difference]: Start difference. First operand 977 states and 1761 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:03,671 INFO L93 Difference]: Finished difference Result 1617 states and 2886 transitions. [2022-03-01 16:52:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:52:03,671 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:03,673 INFO L225 Difference]: With dead ends: 1617 [2022-03-01 16:52:03,673 INFO L226 Difference]: Without dead ends: 1583 [2022-03-01 16:52:03,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1264, Invalid=3848, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:52:03,673 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1005 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:03,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1005 Valid, 1068 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:52:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-01 16:52:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 984. [2022-03-01 16:52:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 979 states have (on average 1.8130745658835548) internal successors, (1775), 983 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1775 transitions. [2022-03-01 16:52:03,682 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1775 transitions. Word has length 113 [2022-03-01 16:52:03,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:03,682 INFO L470 AbstractCegarLoop]: Abstraction has 984 states and 1775 transitions. [2022-03-01 16:52:03,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1775 transitions. [2022-03-01 16:52:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:03,684 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:03,684 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:03,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-01 16:52:03,684 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:03,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:03,684 INFO L85 PathProgramCache]: Analyzing trace with hash -970958959, now seen corresponding path program 7 times [2022-03-01 16:52:03,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:03,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783739500] [2022-03-01 16:52:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:04,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:04,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783739500] [2022-03-01 16:52:04,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783739500] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:04,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:04,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:04,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564185334] [2022-03-01 16:52:04,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:04,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:04,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:04,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:04,125 INFO L87 Difference]: Start difference. First operand 984 states and 1775 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:05,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:05,020 INFO L93 Difference]: Finished difference Result 1219 states and 2181 transitions. [2022-03-01 16:52:05,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:52:05,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:05,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:05,022 INFO L225 Difference]: With dead ends: 1219 [2022-03-01 16:52:05,022 INFO L226 Difference]: Without dead ends: 1196 [2022-03-01 16:52:05,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:52:05,022 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 166 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:05,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 661 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2022-03-01 16:52:05,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 987. [2022-03-01 16:52:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 982 states have (on average 1.8126272912423624) internal successors, (1780), 986 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1780 transitions. [2022-03-01 16:52:05,030 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1780 transitions. Word has length 113 [2022-03-01 16:52:05,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:05,031 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1780 transitions. [2022-03-01 16:52:05,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1780 transitions. [2022-03-01 16:52:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:05,031 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:05,031 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:05,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-01 16:52:05,032 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:05,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash -34896267, now seen corresponding path program 8 times [2022-03-01 16:52:05,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:05,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560947966] [2022-03-01 16:52:05,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:05,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:05,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:05,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560947966] [2022-03-01 16:52:05,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560947966] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:05,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:05,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:05,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005874514] [2022-03-01 16:52:05,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:05,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:05,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:05,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:05,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:05,882 INFO L87 Difference]: Start difference. First operand 987 states and 1780 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:07,337 INFO L93 Difference]: Finished difference Result 1151 states and 2060 transitions. [2022-03-01 16:52:07,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:52:07,338 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:07,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:07,339 INFO L225 Difference]: With dead ends: 1151 [2022-03-01 16:52:07,339 INFO L226 Difference]: Without dead ends: 1122 [2022-03-01 16:52:07,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=317, Invalid=1243, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:52:07,339 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 551 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:07,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [551 Valid, 1455 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:52:07,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-03-01 16:52:07,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 986. [2022-03-01 16:52:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 981 states have (on average 1.8134556574923548) internal successors, (1779), 985 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1779 transitions. [2022-03-01 16:52:07,347 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1779 transitions. Word has length 113 [2022-03-01 16:52:07,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:07,347 INFO L470 AbstractCegarLoop]: Abstraction has 986 states and 1779 transitions. [2022-03-01 16:52:07,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1779 transitions. [2022-03-01 16:52:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:07,348 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:07,348 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:07,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-01 16:52:07,348 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:07,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:07,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1611702137, now seen corresponding path program 9 times [2022-03-01 16:52:07,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:07,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697923067] [2022-03-01 16:52:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:07,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:07,801 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:07,801 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697923067] [2022-03-01 16:52:07,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697923067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:07,801 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:07,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:07,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657635072] [2022-03-01 16:52:07,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:07,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:07,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:07,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:07,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:07,802 INFO L87 Difference]: Start difference. First operand 986 states and 1779 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:08,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:08,591 INFO L93 Difference]: Finished difference Result 1302 states and 2329 transitions. [2022-03-01 16:52:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:52:08,591 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:08,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:08,592 INFO L225 Difference]: With dead ends: 1302 [2022-03-01 16:52:08,592 INFO L226 Difference]: Without dead ends: 1266 [2022-03-01 16:52:08,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:08,593 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 171 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:08,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 462 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:08,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2022-03-01 16:52:08,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 985. [2022-03-01 16:52:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 980 states have (on average 1.813265306122449) internal successors, (1777), 984 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1777 transitions. [2022-03-01 16:52:08,601 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1777 transitions. Word has length 113 [2022-03-01 16:52:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:08,601 INFO L470 AbstractCegarLoop]: Abstraction has 985 states and 1777 transitions. [2022-03-01 16:52:08,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1777 transitions. [2022-03-01 16:52:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:08,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:08,602 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:08,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-01 16:52:08,602 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:08,603 INFO L85 PathProgramCache]: Analyzing trace with hash -634913465, now seen corresponding path program 10 times [2022-03-01 16:52:08,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:08,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419844678] [2022-03-01 16:52:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:08,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:09,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:09,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419844678] [2022-03-01 16:52:09,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419844678] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:09,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:09,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:52:09,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171438017] [2022-03-01 16:52:09,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:09,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:52:09,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:09,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:52:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:09,210 INFO L87 Difference]: Start difference. First operand 985 states and 1777 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:09,773 INFO L93 Difference]: Finished difference Result 1174 states and 2111 transitions. [2022-03-01 16:52:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:09,773 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:09,774 INFO L225 Difference]: With dead ends: 1174 [2022-03-01 16:52:09,774 INFO L226 Difference]: Without dead ends: 1131 [2022-03-01 16:52:09,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:09,775 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:09,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 704 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:09,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-03-01 16:52:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1002. [2022-03-01 16:52:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 997 states have (on average 1.8164493480441324) internal successors, (1811), 1001 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1811 transitions. [2022-03-01 16:52:09,783 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1811 transitions. Word has length 113 [2022-03-01 16:52:09,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:09,783 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1811 transitions. [2022-03-01 16:52:09,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1811 transitions. [2022-03-01 16:52:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:09,784 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:09,784 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:09,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-01 16:52:09,784 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1537062035, now seen corresponding path program 3 times [2022-03-01 16:52:09,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:09,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248757116] [2022-03-01 16:52:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:10,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:10,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248757116] [2022-03-01 16:52:10,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248757116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:10,205 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:10,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:10,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613905592] [2022-03-01 16:52:10,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:10,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:10,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:10,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:10,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:10,206 INFO L87 Difference]: Start difference. First operand 1002 states and 1811 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:12,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:12,555 INFO L93 Difference]: Finished difference Result 1542 states and 2759 transitions. [2022-03-01 16:52:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:52:12,555 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:12,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:12,556 INFO L225 Difference]: With dead ends: 1542 [2022-03-01 16:52:12,556 INFO L226 Difference]: Without dead ends: 1519 [2022-03-01 16:52:12,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1204, Invalid=3626, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:52:12,557 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 1056 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:12,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1056 Valid, 837 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:52:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2022-03-01 16:52:12,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1007. [2022-03-01 16:52:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1002 states have (on average 1.8173652694610778) internal successors, (1821), 1006 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1821 transitions. [2022-03-01 16:52:12,566 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1821 transitions. Word has length 113 [2022-03-01 16:52:12,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:12,566 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1821 transitions. [2022-03-01 16:52:12,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1821 transitions. [2022-03-01 16:52:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:12,567 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:12,567 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:12,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-01 16:52:12,567 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:12,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1047810175, now seen corresponding path program 11 times [2022-03-01 16:52:12,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:12,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568535219] [2022-03-01 16:52:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:13,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:13,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568535219] [2022-03-01 16:52:13,279 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568535219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:13,279 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:13,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:52:13,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333644652] [2022-03-01 16:52:13,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:13,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:52:13,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:13,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:52:13,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:13,280 INFO L87 Difference]: Start difference. First operand 1007 states and 1821 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:14,344 INFO L93 Difference]: Finished difference Result 1397 states and 2495 transitions. [2022-03-01 16:52:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:52:14,345 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:14,346 INFO L225 Difference]: With dead ends: 1397 [2022-03-01 16:52:14,346 INFO L226 Difference]: Without dead ends: 1347 [2022-03-01 16:52:14,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:52:14,347 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 716 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:14,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [716 Valid, 1263 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:52:14,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-03-01 16:52:14,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1041. [2022-03-01 16:52:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 1036 states have (on average 1.8233590733590734) internal successors, (1889), 1040 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1889 transitions. [2022-03-01 16:52:14,355 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1889 transitions. Word has length 113 [2022-03-01 16:52:14,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:14,355 INFO L470 AbstractCegarLoop]: Abstraction has 1041 states and 1889 transitions. [2022-03-01 16:52:14,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1889 transitions. [2022-03-01 16:52:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:14,357 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:14,357 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:14,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-01 16:52:14,357 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:14,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:14,358 INFO L85 PathProgramCache]: Analyzing trace with hash -623604417, now seen corresponding path program 4 times [2022-03-01 16:52:14,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:14,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888660236] [2022-03-01 16:52:14,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:14,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:14,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888660236] [2022-03-01 16:52:14,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888660236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:14,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:14,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:52:14,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943811234] [2022-03-01 16:52:14,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:14,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:52:14,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:14,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:52:14,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:14,903 INFO L87 Difference]: Start difference. First operand 1041 states and 1889 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:15,785 INFO L93 Difference]: Finished difference Result 1264 states and 2264 transitions. [2022-03-01 16:52:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:52:15,785 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:15,786 INFO L225 Difference]: With dead ends: 1264 [2022-03-01 16:52:15,786 INFO L226 Difference]: Without dead ends: 1252 [2022-03-01 16:52:15,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:52:15,787 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 604 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:15,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 974 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:15,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-03-01 16:52:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1037. [2022-03-01 16:52:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1032 states have (on average 1.822674418604651) internal successors, (1881), 1036 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1881 transitions. [2022-03-01 16:52:15,796 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1881 transitions. Word has length 113 [2022-03-01 16:52:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:15,796 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1881 transitions. [2022-03-01 16:52:15,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1881 transitions. [2022-03-01 16:52:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:15,797 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:15,797 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:15,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-01 16:52:15,797 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:15,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1098249279, now seen corresponding path program 12 times [2022-03-01 16:52:15,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:15,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843700092] [2022-03-01 16:52:15,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:16,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:16,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843700092] [2022-03-01 16:52:16,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843700092] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:16,227 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:16,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:16,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895394318] [2022-03-01 16:52:16,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:16,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:16,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:16,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:16,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:16,227 INFO L87 Difference]: Start difference. First operand 1037 states and 1881 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:16,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:16,821 INFO L93 Difference]: Finished difference Result 1450 states and 2602 transitions. [2022-03-01 16:52:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:16,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:16,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:16,823 INFO L225 Difference]: With dead ends: 1450 [2022-03-01 16:52:16,823 INFO L226 Difference]: Without dead ends: 1427 [2022-03-01 16:52:16,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:16,823 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 192 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:16,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 382 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:16,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-03-01 16:52:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1037. [2022-03-01 16:52:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1032 states have (on average 1.821705426356589) internal successors, (1880), 1036 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1880 transitions. [2022-03-01 16:52:16,832 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1880 transitions. Word has length 113 [2022-03-01 16:52:16,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:16,832 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1880 transitions. [2022-03-01 16:52:16,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1880 transitions. [2022-03-01 16:52:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:16,833 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:16,833 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:16,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-01 16:52:16,833 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:16,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:16,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2034311971, now seen corresponding path program 13 times [2022-03-01 16:52:16,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:16,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944010770] [2022-03-01 16:52:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:16,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:17,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:17,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944010770] [2022-03-01 16:52:17,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944010770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:17,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:17,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:17,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044706502] [2022-03-01 16:52:17,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:17,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:17,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:17,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:17,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:17,259 INFO L87 Difference]: Start difference. First operand 1037 states and 1880 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:17,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:17,871 INFO L93 Difference]: Finished difference Result 1491 states and 2680 transitions. [2022-03-01 16:52:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:17,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:17,872 INFO L225 Difference]: With dead ends: 1491 [2022-03-01 16:52:17,872 INFO L226 Difference]: Without dead ends: 1462 [2022-03-01 16:52:17,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:17,873 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 190 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:17,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 451 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2022-03-01 16:52:17,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1036. [2022-03-01 16:52:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1031 states have (on average 1.822502424830262) internal successors, (1879), 1035 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:17,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1879 transitions. [2022-03-01 16:52:17,881 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1879 transitions. Word has length 113 [2022-03-01 16:52:17,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:17,881 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1879 transitions. [2022-03-01 16:52:17,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1879 transitions. [2022-03-01 16:52:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:17,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:17,882 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:17,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-01 16:52:17,882 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:17,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:17,883 INFO L85 PathProgramCache]: Analyzing trace with hash 457506101, now seen corresponding path program 14 times [2022-03-01 16:52:17,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:17,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685316238] [2022-03-01 16:52:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:17,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:18,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:18,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685316238] [2022-03-01 16:52:18,279 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685316238] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:18,279 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:18,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:18,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449906790] [2022-03-01 16:52:18,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:18,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:18,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:18,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:18,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:18,280 INFO L87 Difference]: Start difference. First operand 1036 states and 1879 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:18,859 INFO L93 Difference]: Finished difference Result 1533 states and 2750 transitions. [2022-03-01 16:52:18,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:18,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:18,861 INFO L225 Difference]: With dead ends: 1533 [2022-03-01 16:52:18,861 INFO L226 Difference]: Without dead ends: 1497 [2022-03-01 16:52:18,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:18,861 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 194 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:18,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 400 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-03-01 16:52:18,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1035. [2022-03-01 16:52:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1030 states have (on average 1.8223300970873786) internal successors, (1877), 1034 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1877 transitions. [2022-03-01 16:52:18,870 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1877 transitions. Word has length 113 [2022-03-01 16:52:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:18,870 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1877 transitions. [2022-03-01 16:52:18,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1877 transitions. [2022-03-01 16:52:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:18,871 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:18,871 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:18,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-01 16:52:18,871 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:18,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:18,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1434294773, now seen corresponding path program 15 times [2022-03-01 16:52:18,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:18,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604518323] [2022-03-01 16:52:18,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:19,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:19,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604518323] [2022-03-01 16:52:19,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604518323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:19,255 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:19,255 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:19,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124381796] [2022-03-01 16:52:19,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:19,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:19,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:19,255 INFO L87 Difference]: Start difference. First operand 1035 states and 1877 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:19,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:19,896 INFO L93 Difference]: Finished difference Result 1570 states and 2822 transitions. [2022-03-01 16:52:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:19,897 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:19,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:19,898 INFO L225 Difference]: With dead ends: 1570 [2022-03-01 16:52:19,898 INFO L226 Difference]: Without dead ends: 1527 [2022-03-01 16:52:19,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:19,898 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 174 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:19,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 498 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:19,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-03-01 16:52:19,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1034. [2022-03-01 16:52:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1029 states have (on average 1.8221574344023324) internal successors, (1875), 1033 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:19,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1875 transitions. [2022-03-01 16:52:19,907 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1875 transitions. Word has length 113 [2022-03-01 16:52:19,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:19,907 INFO L470 AbstractCegarLoop]: Abstraction has 1034 states and 1875 transitions. [2022-03-01 16:52:19,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1875 transitions. [2022-03-01 16:52:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:19,908 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:19,908 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:19,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-01 16:52:19,908 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:19,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:19,909 INFO L85 PathProgramCache]: Analyzing trace with hash 422611697, now seen corresponding path program 16 times [2022-03-01 16:52:19,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:19,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759301448] [2022-03-01 16:52:19,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:19,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:20,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:20,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759301448] [2022-03-01 16:52:20,279 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759301448] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:20,279 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:20,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:20,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630056966] [2022-03-01 16:52:20,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:20,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:20,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:20,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:20,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:20,280 INFO L87 Difference]: Start difference. First operand 1034 states and 1875 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:20,746 INFO L93 Difference]: Finished difference Result 1455 states and 2611 transitions. [2022-03-01 16:52:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:20,746 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:20,748 INFO L225 Difference]: With dead ends: 1455 [2022-03-01 16:52:20,748 INFO L226 Difference]: Without dead ends: 1405 [2022-03-01 16:52:20,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:20,748 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 198 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:20,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 467 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:20,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-03-01 16:52:20,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1127. [2022-03-01 16:52:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1122 states have (on average 1.8368983957219251) internal successors, (2061), 1126 states have internal predecessors, (2061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2061 transitions. [2022-03-01 16:52:20,767 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2061 transitions. Word has length 113 [2022-03-01 16:52:20,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:20,768 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2061 transitions. [2022-03-01 16:52:20,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2061 transitions. [2022-03-01 16:52:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:20,769 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:20,769 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:20,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-01 16:52:20,769 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1248802895, now seen corresponding path program 5 times [2022-03-01 16:52:20,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:20,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099080041] [2022-03-01 16:52:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:21,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:21,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099080041] [2022-03-01 16:52:21,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099080041] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:21,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:21,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:21,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621837525] [2022-03-01 16:52:21,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:21,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:21,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:21,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:21,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:21,184 INFO L87 Difference]: Start difference. First operand 1127 states and 2061 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:21,678 INFO L93 Difference]: Finished difference Result 1257 states and 2261 transitions. [2022-03-01 16:52:21,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:52:21,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:21,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:21,679 INFO L225 Difference]: With dead ends: 1257 [2022-03-01 16:52:21,680 INFO L226 Difference]: Without dead ends: 1245 [2022-03-01 16:52:21,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:21,680 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 171 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:21,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 540 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2022-03-01 16:52:21,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1107. [2022-03-01 16:52:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1102 states have (on average 1.8339382940108893) internal successors, (2021), 1106 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 2021 transitions. [2022-03-01 16:52:21,688 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 2021 transitions. Word has length 113 [2022-03-01 16:52:21,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:21,688 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 2021 transitions. [2022-03-01 16:52:21,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2021 transitions. [2022-03-01 16:52:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:21,689 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:21,690 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:21,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-01 16:52:21,690 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:21,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:21,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2109156610, now seen corresponding path program 1 times [2022-03-01 16:52:21,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:21,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621583682] [2022-03-01 16:52:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:21,775 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:21,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621583682] [2022-03-01 16:52:21,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621583682] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:21,776 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:21,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:52:21,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44691580] [2022-03-01 16:52:21,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:21,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:52:21,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:21,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:52:21,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:52:21,777 INFO L87 Difference]: Start difference. First operand 1107 states and 2021 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:22,036 INFO L93 Difference]: Finished difference Result 1358 states and 2469 transitions. [2022-03-01 16:52:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:52:22,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:22,038 INFO L225 Difference]: With dead ends: 1358 [2022-03-01 16:52:22,038 INFO L226 Difference]: Without dead ends: 1310 [2022-03-01 16:52:22,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:22,038 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 138 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:22,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 434 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2022-03-01 16:52:22,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1147. [2022-03-01 16:52:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1142 states have (on average 1.8345008756567425) internal successors, (2095), 1146 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 2095 transitions. [2022-03-01 16:52:22,047 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 2095 transitions. Word has length 113 [2022-03-01 16:52:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:22,047 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 2095 transitions. [2022-03-01 16:52:22,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2095 transitions. [2022-03-01 16:52:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:22,048 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:22,048 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:22,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-01 16:52:22,048 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2063576380, now seen corresponding path program 2 times [2022-03-01 16:52:22,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:22,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353244077] [2022-03-01 16:52:22,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:22,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:22,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353244077] [2022-03-01 16:52:22,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353244077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:22,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:22,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:52:22,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472118627] [2022-03-01 16:52:22,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:22,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:52:22,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:22,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:52:22,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:52:22,145 INFO L87 Difference]: Start difference. First operand 1147 states and 2095 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:22,396 INFO L93 Difference]: Finished difference Result 1483 states and 2688 transitions. [2022-03-01 16:52:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:52:22,397 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:22,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:22,398 INFO L225 Difference]: With dead ends: 1483 [2022-03-01 16:52:22,398 INFO L226 Difference]: Without dead ends: 1435 [2022-03-01 16:52:22,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:22,399 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 145 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:22,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 452 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:22,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2022-03-01 16:52:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1157. [2022-03-01 16:52:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1152 states have (on average 1.8350694444444444) internal successors, (2114), 1156 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 2114 transitions. [2022-03-01 16:52:22,409 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 2114 transitions. Word has length 113 [2022-03-01 16:52:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:22,409 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 2114 transitions. [2022-03-01 16:52:22,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2114 transitions. [2022-03-01 16:52:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:22,410 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:22,410 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:22,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-01 16:52:22,411 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2062077220, now seen corresponding path program 3 times [2022-03-01 16:52:22,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:22,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408782758] [2022-03-01 16:52:22,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:22,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:22,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:22,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408782758] [2022-03-01 16:52:22,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408782758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:22,536 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:22,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:52:22,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951944791] [2022-03-01 16:52:22,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:22,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:52:22,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:22,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:52:22,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:52:22,537 INFO L87 Difference]: Start difference. First operand 1157 states and 2114 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:22,794 INFO L93 Difference]: Finished difference Result 1540 states and 2778 transitions. [2022-03-01 16:52:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:52:22,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:22,796 INFO L225 Difference]: With dead ends: 1540 [2022-03-01 16:52:22,796 INFO L226 Difference]: Without dead ends: 1492 [2022-03-01 16:52:22,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-01 16:52:22,796 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 143 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:22,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 439 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:22,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2022-03-01 16:52:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1167. [2022-03-01 16:52:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1162 states have (on average 1.8356282271944921) internal successors, (2133), 1166 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2133 transitions. [2022-03-01 16:52:22,809 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2133 transitions. Word has length 113 [2022-03-01 16:52:22,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:22,809 INFO L470 AbstractCegarLoop]: Abstraction has 1167 states and 2133 transitions. [2022-03-01 16:52:22,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2133 transitions. [2022-03-01 16:52:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:22,811 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:22,811 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:22,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-01 16:52:22,811 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:22,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:22,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2062027930, now seen corresponding path program 4 times [2022-03-01 16:52:22,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:22,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851850889] [2022-03-01 16:52:22,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:22,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:23,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:23,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851850889] [2022-03-01 16:52:23,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851850889] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:23,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:23,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:23,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322318517] [2022-03-01 16:52:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:23,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:23,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:23,016 INFO L87 Difference]: Start difference. First operand 1167 states and 2133 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:23,394 INFO L93 Difference]: Finished difference Result 1452 states and 2579 transitions. [2022-03-01 16:52:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:52:23,394 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:23,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:23,396 INFO L225 Difference]: With dead ends: 1452 [2022-03-01 16:52:23,396 INFO L226 Difference]: Without dead ends: 1370 [2022-03-01 16:52:23,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:23,396 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 209 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:23,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 456 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2022-03-01 16:52:23,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1139. [2022-03-01 16:52:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8262786596119929) internal successors, (2071), 1138 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2071 transitions. [2022-03-01 16:52:23,406 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2071 transitions. Word has length 113 [2022-03-01 16:52:23,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:23,406 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2071 transitions. [2022-03-01 16:52:23,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2071 transitions. [2022-03-01 16:52:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:23,407 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:23,407 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:23,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-01 16:52:23,407 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1495202806, now seen corresponding path program 5 times [2022-03-01 16:52:23,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:23,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099525339] [2022-03-01 16:52:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:23,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:23,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099525339] [2022-03-01 16:52:23,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099525339] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:23,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:23,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:23,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095381967] [2022-03-01 16:52:23,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:23,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:23,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:23,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:23,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:23,676 INFO L87 Difference]: Start difference. First operand 1139 states and 2071 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:24,136 INFO L93 Difference]: Finished difference Result 1326 states and 2346 transitions. [2022-03-01 16:52:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:52:24,136 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:24,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:24,137 INFO L225 Difference]: With dead ends: 1326 [2022-03-01 16:52:24,137 INFO L226 Difference]: Without dead ends: 1248 [2022-03-01 16:52:24,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:24,138 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 151 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:24,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 591 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-03-01 16:52:24,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1097. [2022-03-01 16:52:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1092 states have (on average 1.8195970695970696) internal successors, (1987), 1096 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1987 transitions. [2022-03-01 16:52:24,146 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1987 transitions. Word has length 113 [2022-03-01 16:52:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:24,147 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1987 transitions. [2022-03-01 16:52:24,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1987 transitions. [2022-03-01 16:52:24,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:24,148 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:24,148 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:24,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-01 16:52:24,148 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:24,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1566232922, now seen corresponding path program 6 times [2022-03-01 16:52:24,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:24,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216142488] [2022-03-01 16:52:24,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:24,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:24,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:24,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216142488] [2022-03-01 16:52:24,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216142488] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:24,518 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:24,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:24,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522106978] [2022-03-01 16:52:24,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:24,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:24,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:24,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:24,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:24,519 INFO L87 Difference]: Start difference. First operand 1097 states and 1987 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:24,923 INFO L93 Difference]: Finished difference Result 1205 states and 2131 transitions. [2022-03-01 16:52:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:24,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:24,925 INFO L225 Difference]: With dead ends: 1205 [2022-03-01 16:52:24,925 INFO L226 Difference]: Without dead ends: 1139 [2022-03-01 16:52:24,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:24,925 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 147 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:24,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 465 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2022-03-01 16:52:24,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1053. [2022-03-01 16:52:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1048 states have (on average 1.8120229007633588) internal successors, (1899), 1052 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1899 transitions. [2022-03-01 16:52:24,933 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1899 transitions. Word has length 113 [2022-03-01 16:52:24,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:24,933 INFO L470 AbstractCegarLoop]: Abstraction has 1053 states and 1899 transitions. [2022-03-01 16:52:24,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1899 transitions. [2022-03-01 16:52:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:24,934 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:24,934 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:24,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-01 16:52:24,934 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:24,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:24,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1825883830, now seen corresponding path program 7 times [2022-03-01 16:52:24,935 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:24,935 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845706758] [2022-03-01 16:52:24,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:24,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:25,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:25,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845706758] [2022-03-01 16:52:25,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845706758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:25,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:25,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:25,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622236712] [2022-03-01 16:52:25,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:25,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:25,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:25,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:25,320 INFO L87 Difference]: Start difference. First operand 1053 states and 1899 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:25,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:25,700 INFO L93 Difference]: Finished difference Result 1104 states and 1958 transitions. [2022-03-01 16:52:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:25,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:25,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:25,701 INFO L225 Difference]: With dead ends: 1104 [2022-03-01 16:52:25,701 INFO L226 Difference]: Without dead ends: 761 [2022-03-01 16:52:25,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:25,701 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 156 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:25,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 433 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:25,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-03-01 16:52:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 749. [2022-03-01 16:52:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 744 states have (on average 1.7634408602150538) internal successors, (1312), 748 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1312 transitions. [2022-03-01 16:52:25,707 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1312 transitions. Word has length 113 [2022-03-01 16:52:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:25,707 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 1312 transitions. [2022-03-01 16:52:25,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1312 transitions. [2022-03-01 16:52:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:25,708 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:25,708 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:25,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-01 16:52:25,708 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:25,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:25,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1470072351, now seen corresponding path program 17 times [2022-03-01 16:52:25,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:25,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015402277] [2022-03-01 16:52:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:26,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:26,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015402277] [2022-03-01 16:52:26,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015402277] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:26,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:26,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:26,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099662688] [2022-03-01 16:52:26,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:26,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:26,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:26,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:26,224 INFO L87 Difference]: Start difference. First operand 749 states and 1312 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:26,571 INFO L93 Difference]: Finished difference Result 849 states and 1486 transitions. [2022-03-01 16:52:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:26,572 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:26,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:26,573 INFO L225 Difference]: With dead ends: 849 [2022-03-01 16:52:26,573 INFO L226 Difference]: Without dead ends: 798 [2022-03-01 16:52:26,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:26,573 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 210 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:26,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 385 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:26,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2022-03-01 16:52:26,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 753. [2022-03-01 16:52:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 748 states have (on average 1.7553475935828877) internal successors, (1313), 752 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1313 transitions. [2022-03-01 16:52:26,579 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1313 transitions. Word has length 113 [2022-03-01 16:52:26,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:26,579 INFO L470 AbstractCegarLoop]: Abstraction has 753 states and 1313 transitions. [2022-03-01 16:52:26,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1313 transitions. [2022-03-01 16:52:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:26,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:26,580 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:26,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-03-01 16:52:26,580 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1259449039, now seen corresponding path program 6 times [2022-03-01 16:52:26,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:26,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908558265] [2022-03-01 16:52:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:26,795 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:26,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908558265] [2022-03-01 16:52:26,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908558265] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:26,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:26,796 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:26,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885130822] [2022-03-01 16:52:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:26,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:26,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:26,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:26,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:26,796 INFO L87 Difference]: Start difference. First operand 753 states and 1313 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:27,112 INFO L93 Difference]: Finished difference Result 927 states and 1597 transitions. [2022-03-01 16:52:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:27,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:27,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:27,113 INFO L225 Difference]: With dead ends: 927 [2022-03-01 16:52:27,113 INFO L226 Difference]: Without dead ends: 879 [2022-03-01 16:52:27,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:27,114 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 267 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:27,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 470 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:27,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-03-01 16:52:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 744. [2022-03-01 16:52:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 739 states have (on average 1.753721244925575) internal successors, (1296), 743 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1296 transitions. [2022-03-01 16:52:27,120 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1296 transitions. Word has length 113 [2022-03-01 16:52:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:27,120 INFO L470 AbstractCegarLoop]: Abstraction has 744 states and 1296 transitions. [2022-03-01 16:52:27,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1296 transitions. [2022-03-01 16:52:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:27,121 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:27,121 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:27,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-03-01 16:52:27,121 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2030976197, now seen corresponding path program 7 times [2022-03-01 16:52:27,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:27,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63348297] [2022-03-01 16:52:27,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:27,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:27,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63348297] [2022-03-01 16:52:27,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63348297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:27,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:27,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:27,399 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726626217] [2022-03-01 16:52:27,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:27,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:27,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:27,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:27,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:27,399 INFO L87 Difference]: Start difference. First operand 744 states and 1296 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:27,692 INFO L93 Difference]: Finished difference Result 844 states and 1452 transitions. [2022-03-01 16:52:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:27,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:27,693 INFO L225 Difference]: With dead ends: 844 [2022-03-01 16:52:27,693 INFO L226 Difference]: Without dead ends: 808 [2022-03-01 16:52:27,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:52:27,694 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 306 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:27,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 318 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:27,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-03-01 16:52:27,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 725. [2022-03-01 16:52:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 720 states have (on average 1.7486111111111111) internal successors, (1259), 724 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1259 transitions. [2022-03-01 16:52:27,699 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1259 transitions. Word has length 113 [2022-03-01 16:52:27,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:27,699 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 1259 transitions. [2022-03-01 16:52:27,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1259 transitions. [2022-03-01 16:52:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:27,700 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:27,700 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:27,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-03-01 16:52:27,700 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:27,700 INFO L85 PathProgramCache]: Analyzing trace with hash -411026429, now seen corresponding path program 8 times [2022-03-01 16:52:27,701 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:27,701 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061615233] [2022-03-01 16:52:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:27,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:28,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:28,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061615233] [2022-03-01 16:52:28,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061615233] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:28,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:28,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:28,055 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73391623] [2022-03-01 16:52:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:28,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:28,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:28,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:28,056 INFO L87 Difference]: Start difference. First operand 725 states and 1259 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:28,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:28,453 INFO L93 Difference]: Finished difference Result 758 states and 1304 transitions. [2022-03-01 16:52:28,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:28,454 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:28,455 INFO L225 Difference]: With dead ends: 758 [2022-03-01 16:52:28,455 INFO L226 Difference]: Without dead ends: 734 [2022-03-01 16:52:28,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:52:28,455 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 186 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:28,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 375 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:28,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-03-01 16:52:28,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 701. [2022-03-01 16:52:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 697 states have (on average 1.7388809182209468) internal successors, (1212), 700 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1212 transitions. [2022-03-01 16:52:28,460 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1212 transitions. Word has length 113 [2022-03-01 16:52:28,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:28,460 INFO L470 AbstractCegarLoop]: Abstraction has 701 states and 1212 transitions. [2022-03-01 16:52:28,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1212 transitions. [2022-03-01 16:52:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:28,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:28,461 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:28,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-03-01 16:52:28,461 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:28,461 INFO L85 PathProgramCache]: Analyzing trace with hash -201342241, now seen corresponding path program 9 times [2022-03-01 16:52:28,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:28,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306800652] [2022-03-01 16:52:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:28,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:29,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:29,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306800652] [2022-03-01 16:52:29,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306800652] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:29,108 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:29,108 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:52:29,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005779963] [2022-03-01 16:52:29,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:29,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:52:29,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:29,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:52:29,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:29,108 INFO L87 Difference]: Start difference. First operand 701 states and 1212 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:31,161 INFO L93 Difference]: Finished difference Result 1290 states and 2262 transitions. [2022-03-01 16:52:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-01 16:52:31,161 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:31,163 INFO L225 Difference]: With dead ends: 1290 [2022-03-01 16:52:31,163 INFO L226 Difference]: Without dead ends: 1275 [2022-03-01 16:52:31,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=825, Invalid=2255, Unknown=0, NotChecked=0, Total=3080 [2022-03-01 16:52:31,163 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 788 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:31,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 636 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:52:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-03-01 16:52:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 671. [2022-03-01 16:52:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 667 states have (on average 1.727136431784108) internal successors, (1152), 670 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1152 transitions. [2022-03-01 16:52:31,170 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1152 transitions. Word has length 113 [2022-03-01 16:52:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:31,170 INFO L470 AbstractCegarLoop]: Abstraction has 671 states and 1152 transitions. [2022-03-01 16:52:31,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1152 transitions. [2022-03-01 16:52:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:31,171 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:31,171 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:31,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-03-01 16:52:31,171 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:31,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:31,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2050547738, now seen corresponding path program 8 times [2022-03-01 16:52:31,171 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:31,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930127280] [2022-03-01 16:52:31,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:31,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:31,385 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:31,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930127280] [2022-03-01 16:52:31,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930127280] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:31,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:31,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:31,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376869235] [2022-03-01 16:52:31,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:31,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:31,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:31,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:31,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:31,386 INFO L87 Difference]: Start difference. First operand 671 states and 1152 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:31,663 INFO L93 Difference]: Finished difference Result 1010 states and 1716 transitions. [2022-03-01 16:52:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:31,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:31,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:31,664 INFO L225 Difference]: With dead ends: 1010 [2022-03-01 16:52:31,664 INFO L226 Difference]: Without dead ends: 940 [2022-03-01 16:52:31,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:31,664 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 156 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:31,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 481 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:31,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-03-01 16:52:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 668. [2022-03-01 16:52:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 664 states have (on average 1.7153614457831325) internal successors, (1139), 667 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1139 transitions. [2022-03-01 16:52:31,670 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1139 transitions. Word has length 113 [2022-03-01 16:52:31,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:31,670 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 1139 transitions. [2022-03-01 16:52:31,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1139 transitions. [2022-03-01 16:52:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:31,671 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:31,671 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:31,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-03-01 16:52:31,671 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:31,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1299303816, now seen corresponding path program 9 times [2022-03-01 16:52:31,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:31,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043117183] [2022-03-01 16:52:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:31,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:31,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:31,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043117183] [2022-03-01 16:52:31,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043117183] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:31,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:31,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:31,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806843045] [2022-03-01 16:52:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:31,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:31,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:31,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:31,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:31,939 INFO L87 Difference]: Start difference. First operand 668 states and 1139 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:32,225 INFO L93 Difference]: Finished difference Result 876 states and 1469 transitions. [2022-03-01 16:52:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:32,226 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:32,227 INFO L225 Difference]: With dead ends: 876 [2022-03-01 16:52:32,227 INFO L226 Difference]: Without dead ends: 810 [2022-03-01 16:52:32,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:32,227 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 228 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:32,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 351 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:32,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-03-01 16:52:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 650. [2022-03-01 16:52:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 646 states have (on average 1.7058823529411764) internal successors, (1102), 649 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1102 transitions. [2022-03-01 16:52:32,232 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1102 transitions. Word has length 113 [2022-03-01 16:52:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:32,232 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 1102 transitions. [2022-03-01 16:52:32,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1102 transitions. [2022-03-01 16:52:32,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:32,233 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:32,233 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:32,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-03-01 16:52:32,233 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:32,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1554063770, now seen corresponding path program 10 times [2022-03-01 16:52:32,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:32,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4278304] [2022-03-01 16:52:32,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:32,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:32,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4278304] [2022-03-01 16:52:32,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4278304] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:32,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:32,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:32,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94643697] [2022-03-01 16:52:32,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:32,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:32,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:32,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:32,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:32,603 INFO L87 Difference]: Start difference. First operand 650 states and 1102 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:32,909 INFO L93 Difference]: Finished difference Result 746 states and 1238 transitions. [2022-03-01 16:52:32,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:32,909 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:32,910 INFO L225 Difference]: With dead ends: 746 [2022-03-01 16:52:32,910 INFO L226 Difference]: Without dead ends: 692 [2022-03-01 16:52:32,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:32,910 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 187 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:32,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 348 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:32,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-03-01 16:52:32,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 627. [2022-03-01 16:52:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 624 states have (on average 1.6810897435897436) internal successors, (1049), 626 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 1049 transitions. [2022-03-01 16:52:32,915 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 1049 transitions. Word has length 113 [2022-03-01 16:52:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:32,915 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 1049 transitions. [2022-03-01 16:52:32,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1049 transitions. [2022-03-01 16:52:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:32,916 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:32,916 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:32,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-03-01 16:52:32,916 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:32,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:32,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1979044488, now seen corresponding path program 11 times [2022-03-01 16:52:32,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:32,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504863115] [2022-03-01 16:52:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:32,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:33,321 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:33,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504863115] [2022-03-01 16:52:33,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504863115] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:33,321 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:33,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:33,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055569884] [2022-03-01 16:52:33,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:33,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:33,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:33,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:33,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:33,322 INFO L87 Difference]: Start difference. First operand 627 states and 1049 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:33,633 INFO L93 Difference]: Finished difference Result 653 states and 1074 transitions. [2022-03-01 16:52:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:33,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:33,634 INFO L225 Difference]: With dead ends: 653 [2022-03-01 16:52:33,634 INFO L226 Difference]: Without dead ends: 442 [2022-03-01 16:52:33,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:33,634 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 138 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:33,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 388 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:33,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-03-01 16:52:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2022-03-01 16:52:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 439 states have (on average 1.571753986332574) internal successors, (690), 441 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 690 transitions. [2022-03-01 16:52:33,639 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 690 transitions. Word has length 113 [2022-03-01 16:52:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:33,640 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 690 transitions. [2022-03-01 16:52:33,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 690 transitions. [2022-03-01 16:52:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:33,640 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:33,640 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:33,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-03-01 16:52:33,641 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:33,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:33,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1161769807, now seen corresponding path program 10 times [2022-03-01 16:52:33,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:33,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640279551] [2022-03-01 16:52:33,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:34,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:34,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640279551] [2022-03-01 16:52:34,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640279551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:34,435 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:34,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:52:34,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880956706] [2022-03-01 16:52:34,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:34,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:52:34,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:34,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:52:34,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:34,436 INFO L87 Difference]: Start difference. First operand 442 states and 690 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:35,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:35,313 INFO L93 Difference]: Finished difference Result 430 states and 667 transitions. [2022-03-01 16:52:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:52:35,314 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:35,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:35,314 INFO L225 Difference]: With dead ends: 430 [2022-03-01 16:52:35,314 INFO L226 Difference]: Without dead ends: 401 [2022-03-01 16:52:35,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:52:35,315 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 478 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:35,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 551 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:35,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-03-01 16:52:35,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-03-01 16:52:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 399 states have (on average 1.581453634085213) internal successors, (631), 400 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 631 transitions. [2022-03-01 16:52:35,318 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 631 transitions. Word has length 113 [2022-03-01 16:52:35,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:35,318 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 631 transitions. [2022-03-01 16:52:35,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 631 transitions. [2022-03-01 16:52:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:35,319 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:35,319 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:35,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-03-01 16:52:35,319 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:35,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:35,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1411343793, now seen corresponding path program 18 times [2022-03-01 16:52:35,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:35,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26146642] [2022-03-01 16:52:35,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:35,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:36,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:36,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26146642] [2022-03-01 16:52:36,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26146642] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:36,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:36,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:52:36,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476818388] [2022-03-01 16:52:36,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:36,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:52:36,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:52:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:36,289 INFO L87 Difference]: Start difference. First operand 401 states and 631 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:37,280 INFO L93 Difference]: Finished difference Result 435 states and 673 transitions. [2022-03-01 16:52:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:52:37,280 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:37,281 INFO L225 Difference]: With dead ends: 435 [2022-03-01 16:52:37,281 INFO L226 Difference]: Without dead ends: 412 [2022-03-01 16:52:37,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:52:37,281 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 464 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:37,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 418 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:37,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-03-01 16:52:37,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 400. [2022-03-01 16:52:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 398 states have (on average 1.5804020100502512) internal successors, (629), 399 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 629 transitions. [2022-03-01 16:52:37,286 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 629 transitions. Word has length 113 [2022-03-01 16:52:37,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:37,286 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 629 transitions. [2022-03-01 16:52:37,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 629 transitions. [2022-03-01 16:52:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:37,286 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:37,286 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:37,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-03-01 16:52:37,287 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:37,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash -475281101, now seen corresponding path program 19 times [2022-03-01 16:52:37,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:37,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133718828] [2022-03-01 16:52:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:37,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:37,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:37,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133718828] [2022-03-01 16:52:37,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133718828] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:37,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:37,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:37,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984119738] [2022-03-01 16:52:37,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:37,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:37,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:37,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:37,791 INFO L87 Difference]: Start difference. First operand 400 states and 629 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:38,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:38,359 INFO L93 Difference]: Finished difference Result 456 states and 714 transitions. [2022-03-01 16:52:38,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:38,360 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:38,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:38,360 INFO L225 Difference]: With dead ends: 456 [2022-03-01 16:52:38,360 INFO L226 Difference]: Without dead ends: 411 [2022-03-01 16:52:38,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:52:38,361 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 159 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:38,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 348 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-03-01 16:52:38,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 399. [2022-03-01 16:52:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 397 states have (on average 1.579345088161209) internal successors, (627), 398 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 627 transitions. [2022-03-01 16:52:38,364 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 627 transitions. Word has length 113 [2022-03-01 16:52:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:38,364 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 627 transitions. [2022-03-01 16:52:38,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 627 transitions. [2022-03-01 16:52:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:38,365 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:38,365 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:38,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-03-01 16:52:38,365 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:38,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:38,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2052086971, now seen corresponding path program 20 times [2022-03-01 16:52:38,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:38,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752927141] [2022-03-01 16:52:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:38,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:39,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:39,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752927141] [2022-03-01 16:52:39,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752927141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:39,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:39,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:52:39,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859126869] [2022-03-01 16:52:39,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:39,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:52:39,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:39,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:52:39,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:39,335 INFO L87 Difference]: Start difference. First operand 399 states and 627 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:40,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:40,431 INFO L93 Difference]: Finished difference Result 477 states and 755 transitions. [2022-03-01 16:52:40,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:52:40,432 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:40,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:40,432 INFO L225 Difference]: With dead ends: 477 [2022-03-01 16:52:40,432 INFO L226 Difference]: Without dead ends: 410 [2022-03-01 16:52:40,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:52:40,433 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 424 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:40,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 696 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:40,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-03-01 16:52:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 398. [2022-03-01 16:52:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 396 states have (on average 1.5782828282828283) internal successors, (625), 397 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 625 transitions. [2022-03-01 16:52:40,436 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 625 transitions. Word has length 113 [2022-03-01 16:52:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:40,436 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 625 transitions. [2022-03-01 16:52:40,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 625 transitions. [2022-03-01 16:52:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:40,436 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:40,436 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:40,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-03-01 16:52:40,437 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:40,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1075298299, now seen corresponding path program 21 times [2022-03-01 16:52:40,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:40,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710546048] [2022-03-01 16:52:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:40,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:40,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710546048] [2022-03-01 16:52:40,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710546048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:40,865 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:40,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:40,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313125198] [2022-03-01 16:52:40,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:40,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:40,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:40,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:40,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:40,866 INFO L87 Difference]: Start difference. First operand 398 states and 625 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:41,285 INFO L93 Difference]: Finished difference Result 394 states and 615 transitions. [2022-03-01 16:52:41,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:41,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:41,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:41,286 INFO L225 Difference]: With dead ends: 394 [2022-03-01 16:52:41,286 INFO L226 Difference]: Without dead ends: 294 [2022-03-01 16:52:41,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:41,287 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 141 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:41,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 395 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:41,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-03-01 16:52:41,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2022-03-01 16:52:41,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5338078291814947) internal successors, (431), 281 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 431 transitions. [2022-03-01 16:52:41,289 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 431 transitions. Word has length 113 [2022-03-01 16:52:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:41,289 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 431 transitions. [2022-03-01 16:52:41,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 431 transitions. [2022-03-01 16:52:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:41,289 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:41,290 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:41,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-03-01 16:52:41,290 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2043784166, now seen corresponding path program 12 times [2022-03-01 16:52:41,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:41,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646099182] [2022-03-01 16:52:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:41,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:41,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646099182] [2022-03-01 16:52:41,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646099182] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:41,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:41,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:41,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303441715] [2022-03-01 16:52:41,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:41,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:41,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:41,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:41,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:41,779 INFO L87 Difference]: Start difference. First operand 282 states and 431 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:42,255 INFO L93 Difference]: Finished difference Result 308 states and 456 transitions. [2022-03-01 16:52:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:42,256 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:42,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:42,256 INFO L225 Difference]: With dead ends: 308 [2022-03-01 16:52:42,256 INFO L226 Difference]: Without dead ends: 279 [2022-03-01 16:52:42,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:52:42,257 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 178 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:42,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 292 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:42,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-03-01 16:52:42,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2022-03-01 16:52:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 278 states have (on average 1.5287769784172662) internal successors, (425), 278 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 425 transitions. [2022-03-01 16:52:42,259 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 425 transitions. Word has length 113 [2022-03-01 16:52:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:42,259 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 425 transitions. [2022-03-01 16:52:42,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 425 transitions. [2022-03-01 16:52:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:42,259 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:42,260 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:42,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-03-01 16:52:42,260 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1402505128, now seen corresponding path program 13 times [2022-03-01 16:52:42,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:42,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855037567] [2022-03-01 16:52:42,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:42,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:42,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:42,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855037567] [2022-03-01 16:52:42,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855037567] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:42,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:42,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:42,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702530147] [2022-03-01 16:52:42,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:42,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:42,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:42,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:42,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:42,873 INFO L87 Difference]: Start difference. First operand 279 states and 425 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:43,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:43,290 INFO L93 Difference]: Finished difference Result 331 states and 501 transitions. [2022-03-01 16:52:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:43,290 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:43,291 INFO L225 Difference]: With dead ends: 331 [2022-03-01 16:52:43,291 INFO L226 Difference]: Without dead ends: 276 [2022-03-01 16:52:43,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:52:43,291 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:43,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 396 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-03-01 16:52:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2022-03-01 16:52:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.5236363636363637) internal successors, (419), 275 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:43,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 419 transitions. [2022-03-01 16:52:43,293 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 419 transitions. Word has length 113 [2022-03-01 16:52:43,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:43,293 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 419 transitions. [2022-03-01 16:52:43,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:43,294 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 419 transitions. [2022-03-01 16:52:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:43,294 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:43,294 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:43,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-03-01 16:52:43,294 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:43,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:43,294 INFO L85 PathProgramCache]: Analyzing trace with hash 313665092, now seen corresponding path program 14 times [2022-03-01 16:52:43,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:43,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396761319] [2022-03-01 16:52:43,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:43,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:43,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:43,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396761319] [2022-03-01 16:52:43,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396761319] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:43,737 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:43,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:43,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454104170] [2022-03-01 16:52:43,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:43,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:43,737 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:43,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:43,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:43,738 INFO L87 Difference]: Start difference. First operand 276 states and 419 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:44,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:44,091 INFO L93 Difference]: Finished difference Result 354 states and 546 transitions. [2022-03-01 16:52:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:44,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:44,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:44,092 INFO L225 Difference]: With dead ends: 354 [2022-03-01 16:52:44,092 INFO L226 Difference]: Without dead ends: 273 [2022-03-01 16:52:44,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:44,093 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 146 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:44,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 402 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:44,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-03-01 16:52:44,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2022-03-01 16:52:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.5183823529411764) internal successors, (413), 272 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 413 transitions. [2022-03-01 16:52:44,095 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 413 transitions. Word has length 113 [2022-03-01 16:52:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:44,095 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 413 transitions. [2022-03-01 16:52:44,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:44,095 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 413 transitions. [2022-03-01 16:52:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:52:44,095 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:44,096 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:44,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-03-01 16:52:44,097 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:44,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:44,097 INFO L85 PathProgramCache]: Analyzing trace with hash -681075510, now seen corresponding path program 15 times [2022-03-01 16:52:44,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:44,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203668398] [2022-03-01 16:52:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:44,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:44,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:44,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203668398] [2022-03-01 16:52:44,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203668398] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:44,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:44,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:44,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507887608] [2022-03-01 16:52:44,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:44,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:44,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:44,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:44,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:44,613 INFO L87 Difference]: Start difference. First operand 273 states and 413 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:44,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:44,865 INFO L93 Difference]: Finished difference Result 253 states and 374 transitions. [2022-03-01 16:52:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:44,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:52:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:44,866 INFO L225 Difference]: With dead ends: 253 [2022-03-01 16:52:44,866 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 16:52:44,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:52:44,866 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 119 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:44,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 335 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:44,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 16:52:44,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 16:52:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 16:52:44,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2022-03-01 16:52:44,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:44,867 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 16:52:44,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 16:52:44,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 16:52:44,869 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-01 16:52:44,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-01 16:52:44,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-01 16:52:44,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-01 16:52:44,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-01 16:52:44,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-01 16:52:44,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-01 16:52:44,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-03-01 16:52:44,873 INFO L732 BasicCegarLoop]: Path program histogram: [21, 21, 21, 20, 20, 15, 14, 13, 12, 10, 6, 6, 4, 2, 2, 2, 1, 1, 1] [2022-03-01 16:52:44,875 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:52:44,875 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:52:44,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:52:44 BasicIcfg [2022-03-01 16:52:44,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:52:44,877 INFO L158 Benchmark]: Toolchain (without parser) took 214210.87ms. Allocated memory was 172.0MB in the beginning and 358.6MB in the end (delta: 186.6MB). Free memory was 118.5MB in the beginning and 266.0MB in the end (delta: -147.6MB). Peak memory consumption was 39.7MB. Max. memory is 8.0GB. [2022-03-01 16:52:44,877 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 136.9MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:52:44,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.69ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 118.3MB in the beginning and 163.9MB in the end (delta: -45.6MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2022-03-01 16:52:44,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.05ms. Allocated memory is still 206.6MB. Free memory was 163.4MB in the beginning and 160.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:52:44,877 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 206.6MB. Free memory was 160.7MB in the beginning and 159.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 16:52:44,877 INFO L158 Benchmark]: RCFGBuilder took 467.11ms. Allocated memory is still 206.6MB. Free memory was 159.2MB in the beginning and 144.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-01 16:52:44,878 INFO L158 Benchmark]: TraceAbstraction took 212970.70ms. Allocated memory was 206.6MB in the beginning and 358.6MB in the end (delta: 152.0MB). Free memory was 143.4MB in the beginning and 266.0MB in the end (delta: -122.6MB). Peak memory consumption was 31.0MB. Max. memory is 8.0GB. [2022-03-01 16:52:44,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 136.9MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 645.69ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 118.3MB in the beginning and 163.9MB in the end (delta: -45.6MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.05ms. Allocated memory is still 206.6MB. Free memory was 163.4MB in the beginning and 160.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 206.6MB. Free memory was 160.7MB in the beginning and 159.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 467.11ms. Allocated memory is still 206.6MB. Free memory was 159.2MB in the beginning and 144.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 212970.70ms. Allocated memory was 206.6MB in the beginning and 358.6MB in the end (delta: 152.0MB). Free memory was 143.4MB in the beginning and 266.0MB in the end (delta: -122.6MB). Peak memory consumption was 31.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 138 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 212.8s, OverallIterations: 192, TraceHistogramMax: 10, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.2s, AutomataDifference: 134.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55406 SdHoareTripleChecker+Valid, 76.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55406 mSDsluCounter, 115516 SdHoareTripleChecker+Invalid, 65.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91517 mSDsCounter, 12077 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116828 IncrementalHoareTripleChecker+Invalid, 128905 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12077 mSolverCounterUnsat, 24322 mSDtfsCounter, 116828 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4870 GetRequests, 1077 SyntacticMatches, 1 SemanticMatches, 3792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24116 ImplicationChecksByTransitivity, 81.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1276occurred in iteration=130, InterpolantAutomatonStates: 2826, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 192 MinimizatonAttempts, 50660 StatesRemovedByMinimization, 182 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 69.7s InterpolantComputationTime, 21291 NumberOfCodeBlocks, 21241 NumberOfCodeBlocksAsserted, 197 NumberOfCheckSat, 21274 ConstructedInterpolants, 0 QuantifiedInterpolants, 312617 SizeOfPredicates, 22 NumberOfNonLiveVariables, 681 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 200 InterpolantComputations, 189 PerfectInterpolantSequences, 43605/44128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 16:52:44,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...