/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/09-regions_04-list2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:09:07,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:09:07,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:09:07,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 15:09:07,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 15:09:07,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 15:09:07,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 15:09:07,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 15:09:07,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 15:09:07,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 15:09:07,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 15:09:07,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 15:09:07,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:09:07,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:09:07,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:09:07,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:09:07,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:09:07,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:09:07,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:09:07,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:09:07,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:09:07,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:09:07,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:09:07,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:09:07,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 15:09:07,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 15:09:07,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 15:09:07,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 15:09:07,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 15:09:07,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 15:09:07,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:09:07,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:09:07,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:09:07,196 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 [2022-03-15 15:09:07,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:09:07,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:09:07,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:09:07,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:09:07,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:09:07,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:09:07,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:09:07,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:09:07,234 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:09:07,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:09:07,235 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:09:07,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:09:07,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:09:07,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:09:07,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:09:07,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:09:07,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:09:07,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:09:07,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:09:07,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:09:07,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:09:07,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:09:07,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:09:07,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:09:07,238 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:09:07,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:09:07,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:09:07,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:09:07,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:09:07,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:09:07,483 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:09:07,483 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:09:07,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2022-03-15 15:09:07,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ab12776/0f2104d97817420596e4362205a8d017/FLAG27d198566 [2022-03-15 15:09:08,009 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:09:08,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2022-03-15 15:09:08,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ab12776/0f2104d97817420596e4362205a8d017/FLAG27d198566 [2022-03-15 15:09:08,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ab12776/0f2104d97817420596e4362205a8d017 [2022-03-15 15:09:08,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:09:08,338 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:09:08,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:09:08,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:09:08,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:09:08,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:08,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9edcde2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08, skipping insertion in model container [2022-03-15 15:09:08,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:08,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:09:08,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:09:08,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:09:08,876 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:09:08,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:09:08,977 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:09:08,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08 WrapperNode [2022-03-15 15:09:08,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:09:08,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:09:08,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:09:08,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:09:08,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,055 INFO L137 Inliner]: procedures = 368, calls = 55, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2022-03-15 15:09:09,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:09:09,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:09:09,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:09:09,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:09:09,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:09:09,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:09:09,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:09:09,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:09:09,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (1/1) ... [2022-03-15 15:09:09,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:09:09,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:09,173 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) [2022-03-15 15:09:09,192 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 [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:09:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-15 15:09:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:09:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:09:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:09:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:09:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:09:09,210 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:09:09,353 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:09:09,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:09:09,824 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:09:09,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:09:09,834 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 15:09:09,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:09:09 BoogieIcfgContainer [2022-03-15 15:09:09,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:09:09,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:09:09,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:09:09,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:09:09,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:09:08" (1/3) ... [2022-03-15 15:09:09,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f35d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:09:09, skipping insertion in model container [2022-03-15 15:09:09,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:08" (2/3) ... [2022-03-15 15:09:09,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f35d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:09:09, skipping insertion in model container [2022-03-15 15:09:09,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:09:09" (3/3) ... [2022-03-15 15:09:09,844 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2022-03-15 15:09:09,848 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:09:09,848 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:09:09,848 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-03-15 15:09:09,848 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:09:09,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,908 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,908 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:09,948 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:09:10,034 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:09:10,042 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 [2022-03-15 15:09:10,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-03-15 15:09:10,063 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 317 places, 313 transitions, 631 flow [2022-03-15 15:09:10,214 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4105 states, 4027 states have (on average 1.9607648373479016) internal successors, (7896), 4104 states have internal predecessors, (7896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 4105 states, 4027 states have (on average 1.9607648373479016) internal successors, (7896), 4104 states have internal predecessors, (7896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:10,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 15:09:10,234 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:10,235 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:10,236 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:10,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:10,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1579257422, now seen corresponding path program 1 times [2022-03-15 15:09:10,255 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:10,255 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512371647] [2022-03-15 15:09:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:10,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:10,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:10,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512371647] [2022-03-15 15:09:10,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512371647] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:10,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:10,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:10,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311078745] [2022-03-15 15:09:10,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:10,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:10,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:10,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:10,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:10,697 INFO L87 Difference]: Start difference. First operand has 4105 states, 4027 states have (on average 1.9607648373479016) internal successors, (7896), 4104 states have internal predecessors, (7896), 0 states have call successors, (0), 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 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) [2022-03-15 15:09:11,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:11,065 INFO L93 Difference]: Finished difference Result 4101 states and 7892 transitions. [2022-03-15 15:09:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:11,067 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 50 [2022-03-15 15:09:11,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:11,102 INFO L225 Difference]: With dead ends: 4101 [2022-03-15 15:09:11,102 INFO L226 Difference]: Without dead ends: 4101 [2022-03-15 15:09:11,103 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 [2022-03-15 15:09:11,109 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 12 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:11,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 625 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:11,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2022-03-15 15:09:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 4101. [2022-03-15 15:09:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4101 states, 4027 states have (on average 1.9597715420908866) internal successors, (7892), 4100 states have internal predecessors, (7892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 7892 transitions. [2022-03-15 15:09:11,324 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 7892 transitions. Word has length 50 [2022-03-15 15:09:11,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:11,325 INFO L470 AbstractCegarLoop]: Abstraction has 4101 states and 7892 transitions. [2022-03-15 15:09:11,325 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) [2022-03-15 15:09:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 7892 transitions. [2022-03-15 15:09:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-15 15:09:11,327 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:11,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:11,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:09:11,327 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:11,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:11,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1485619206, now seen corresponding path program 1 times [2022-03-15 15:09:11,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:11,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400203523] [2022-03-15 15:09:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:11,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:11,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400203523] [2022-03-15 15:09:11,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400203523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:11,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:11,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:11,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368974054] [2022-03-15 15:09:11,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:11,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:11,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:11,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:11,502 INFO L87 Difference]: Start difference. First operand 4101 states and 7892 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:11,694 INFO L93 Difference]: Finished difference Result 4097 states and 7888 transitions. [2022-03-15 15:09:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:11,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-03-15 15:09:11,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:11,711 INFO L225 Difference]: With dead ends: 4097 [2022-03-15 15:09:11,711 INFO L226 Difference]: Without dead ends: 4097 [2022-03-15 15:09:11,712 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 [2022-03-15 15:09:11,714 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 8 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:11,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 454 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:11,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4097 states. [2022-03-15 15:09:11,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4097 to 4097. [2022-03-15 15:09:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 4027 states have (on average 1.9587782468338715) internal successors, (7888), 4096 states have internal predecessors, (7888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 7888 transitions. [2022-03-15 15:09:11,815 INFO L78 Accepts]: Start accepts. Automaton has 4097 states and 7888 transitions. Word has length 58 [2022-03-15 15:09:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:11,816 INFO L470 AbstractCegarLoop]: Abstraction has 4097 states and 7888 transitions. [2022-03-15 15:09:11,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 7888 transitions. [2022-03-15 15:09:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-15 15:09:11,819 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:11,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:11,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:09:11,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:11,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:11,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2109758001, now seen corresponding path program 1 times [2022-03-15 15:09:11,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:11,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239213224] [2022-03-15 15:09:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:11,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:11,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:11,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239213224] [2022-03-15 15:09:11,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239213224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:11,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:11,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:11,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967724073] [2022-03-15 15:09:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:11,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:11,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:11,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:11,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:11,877 INFO L87 Difference]: Start difference. First operand 4097 states and 7888 transitions. Second operand has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 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) [2022-03-15 15:09:11,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:11,911 INFO L93 Difference]: Finished difference Result 4096 states and 7887 transitions. [2022-03-15 15:09:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:11,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 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 65 [2022-03-15 15:09:11,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:11,929 INFO L225 Difference]: With dead ends: 4096 [2022-03-15 15:09:11,929 INFO L226 Difference]: Without dead ends: 4096 [2022-03-15 15:09:11,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:11,931 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 2 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:11,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 585 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2022-03-15 15:09:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4096. [2022-03-15 15:09:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4096 states, 4027 states have (on average 1.9585299230196176) internal successors, (7887), 4095 states have internal predecessors, (7887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 7887 transitions. [2022-03-15 15:09:12,043 INFO L78 Accepts]: Start accepts. Automaton has 4096 states and 7887 transitions. Word has length 65 [2022-03-15 15:09:12,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:12,043 INFO L470 AbstractCegarLoop]: Abstraction has 4096 states and 7887 transitions. [2022-03-15 15:09:12,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 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) [2022-03-15 15:09:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 7887 transitions. [2022-03-15 15:09:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-15 15:09:12,044 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:12,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:12,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:09:12,045 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:12,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:12,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1817743894, now seen corresponding path program 1 times [2022-03-15 15:09:12,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:12,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560412228] [2022-03-15 15:09:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:12,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:12,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:12,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560412228] [2022-03-15 15:09:12,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560412228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:12,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:12,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:12,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625514074] [2022-03-15 15:09:12,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:12,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:12,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:12,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:12,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:12,094 INFO L87 Difference]: Start difference. First operand 4096 states and 7887 transitions. Second operand has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:12,121 INFO L93 Difference]: Finished difference Result 3968 states and 7635 transitions. [2022-03-15 15:09:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-03-15 15:09:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:12,138 INFO L225 Difference]: With dead ends: 3968 [2022-03-15 15:09:12,138 INFO L226 Difference]: Without dead ends: 3968 [2022-03-15 15:09:12,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:12,139 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 228 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:12,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 359 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2022-03-15 15:09:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3968. [2022-03-15 15:09:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3916 states have (on average 1.949693564862104) internal successors, (7635), 3967 states have internal predecessors, (7635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 7635 transitions. [2022-03-15 15:09:12,224 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 7635 transitions. Word has length 69 [2022-03-15 15:09:12,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:12,225 INFO L470 AbstractCegarLoop]: Abstraction has 3968 states and 7635 transitions. [2022-03-15 15:09:12,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 7635 transitions. [2022-03-15 15:09:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-15 15:09:12,226 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:12,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:12,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 15:09:12,227 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:12,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:12,227 INFO L85 PathProgramCache]: Analyzing trace with hash 708730018, now seen corresponding path program 1 times [2022-03-15 15:09:12,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:12,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766885795] [2022-03-15 15:09:12,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:12,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:12,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:12,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766885795] [2022-03-15 15:09:12,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766885795] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:12,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:12,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:12,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451211296] [2022-03-15 15:09:12,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:12,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:12,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:12,383 INFO L87 Difference]: Start difference. First operand 3968 states and 7635 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:12,638 INFO L93 Difference]: Finished difference Result 3967 states and 7634 transitions. [2022-03-15 15:09:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:12,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-03-15 15:09:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:12,655 INFO L225 Difference]: With dead ends: 3967 [2022-03-15 15:09:12,655 INFO L226 Difference]: Without dead ends: 3967 [2022-03-15 15:09:12,655 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 [2022-03-15 15:09:12,658 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 2 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:12,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 824 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2022-03-15 15:09:12,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3967. [2022-03-15 15:09:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3967 states, 3916 states have (on average 1.949438202247191) internal successors, (7634), 3966 states have internal predecessors, (7634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 7634 transitions. [2022-03-15 15:09:12,754 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 7634 transitions. Word has length 100 [2022-03-15 15:09:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:12,755 INFO L470 AbstractCegarLoop]: Abstraction has 3967 states and 7634 transitions. [2022-03-15 15:09:12,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 7634 transitions. [2022-03-15 15:09:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-03-15 15:09:12,765 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:12,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:12,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 15:09:12,765 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:12,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash 834139185, now seen corresponding path program 1 times [2022-03-15 15:09:12,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:12,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853005258] [2022-03-15 15:09:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:12,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:12,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853005258] [2022-03-15 15:09:12,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853005258] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:12,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:12,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:12,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018459080] [2022-03-15 15:09:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:12,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:12,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:12,875 INFO L87 Difference]: Start difference. First operand 3967 states and 7634 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:12,901 INFO L93 Difference]: Finished difference Result 3966 states and 7633 transitions. [2022-03-15 15:09:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:12,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-03-15 15:09:12,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:12,928 INFO L225 Difference]: With dead ends: 3966 [2022-03-15 15:09:12,930 INFO L226 Difference]: Without dead ends: 3966 [2022-03-15 15:09:12,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:12,931 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:12,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 573 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:12,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-03-15 15:09:12,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3966. [2022-03-15 15:09:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3966 states, 3916 states have (on average 1.949182839632278) internal successors, (7633), 3965 states have internal predecessors, (7633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 7633 transitions. [2022-03-15 15:09:13,007 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 7633 transitions. Word has length 106 [2022-03-15 15:09:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:13,008 INFO L470 AbstractCegarLoop]: Abstraction has 3966 states and 7633 transitions. [2022-03-15 15:09:13,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 7633 transitions. [2022-03-15 15:09:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-15 15:09:13,010 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:13,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:13,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 15:09:13,011 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:13,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash -264018609, now seen corresponding path program 1 times [2022-03-15 15:09:13,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:13,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118563113] [2022-03-15 15:09:13,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:13,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:13,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:13,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118563113] [2022-03-15 15:09:13,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118563113] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:13,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:13,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:13,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130237669] [2022-03-15 15:09:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:13,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:13,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:13,069 INFO L87 Difference]: Start difference. First operand 3966 states and 7633 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:13,103 INFO L93 Difference]: Finished difference Result 3840 states and 7385 transitions. [2022-03-15 15:09:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:13,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 [2022-03-15 15:09:13,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:13,111 INFO L225 Difference]: With dead ends: 3840 [2022-03-15 15:09:13,111 INFO L226 Difference]: Without dead ends: 3840 [2022-03-15 15:09:13,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:13,114 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 181 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:13,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 394 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:13,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2022-03-15 15:09:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2022-03-15 15:09:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 3805 states have (on average 1.9408672798948752) internal successors, (7385), 3839 states have internal predecessors, (7385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 7385 transitions. [2022-03-15 15:09:13,185 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 7385 transitions. Word has length 110 [2022-03-15 15:09:13,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:13,185 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 7385 transitions. [2022-03-15 15:09:13,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 7385 transitions. [2022-03-15 15:09:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-15 15:09:13,187 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:13,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:13,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 15:09:13,188 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:13,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:13,188 INFO L85 PathProgramCache]: Analyzing trace with hash -123328695, now seen corresponding path program 1 times [2022-03-15 15:09:13,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:13,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794720323] [2022-03-15 15:09:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:13,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:13,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:13,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794720323] [2022-03-15 15:09:13,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794720323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:13,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:13,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:13,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551293434] [2022-03-15 15:09:13,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:13,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:13,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:13,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:13,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:13,319 INFO L87 Difference]: Start difference. First operand 3840 states and 7385 transitions. Second operand has 6 states, 5 states have (on average 33.2) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:13,443 INFO L93 Difference]: Finished difference Result 3839 states and 7384 transitions. [2022-03-15 15:09:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:13,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2022-03-15 15:09:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:13,452 INFO L225 Difference]: With dead ends: 3839 [2022-03-15 15:09:13,452 INFO L226 Difference]: Without dead ends: 3839 [2022-03-15 15:09:13,453 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 [2022-03-15 15:09:13,453 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 3 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:13,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 459 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:09:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-03-15 15:09:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3839. [2022-03-15 15:09:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 3805 states have (on average 1.940604467805519) internal successors, (7384), 3838 states have internal predecessors, (7384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 7384 transitions. [2022-03-15 15:09:13,523 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 7384 transitions. Word has length 166 [2022-03-15 15:09:13,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:13,523 INFO L470 AbstractCegarLoop]: Abstraction has 3839 states and 7384 transitions. [2022-03-15 15:09:13,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 7384 transitions. [2022-03-15 15:09:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-03-15 15:09:13,525 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:13,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:13,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 15:09:13,525 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:13,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:13,526 INFO L85 PathProgramCache]: Analyzing trace with hash 722055751, now seen corresponding path program 1 times [2022-03-15 15:09:13,526 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:13,526 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464262312] [2022-03-15 15:09:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:13,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:13,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:13,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464262312] [2022-03-15 15:09:13,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464262312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:13,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:13,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:13,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318198245] [2022-03-15 15:09:13,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:13,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:13,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:13,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:13,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:13,708 INFO L87 Difference]: Start difference. First operand 3839 states and 7384 transitions. Second operand has 6 states, 5 states have (on average 36.4) internal successors, (182), 6 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:14,256 INFO L93 Difference]: Finished difference Result 5760 states and 11136 transitions. [2022-03-15 15:09:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:14,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.4) internal successors, (182), 6 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2022-03-15 15:09:14,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:14,270 INFO L225 Difference]: With dead ends: 5760 [2022-03-15 15:09:14,270 INFO L226 Difference]: Without dead ends: 5760 [2022-03-15 15:09:14,271 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 [2022-03-15 15:09:14,271 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 242 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:14,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 1026 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2022-03-15 15:09:14,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 3942. [2022-03-15 15:09:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3942 states, 3914 states have (on average 1.9384261624936128) internal successors, (7587), 3941 states have internal predecessors, (7587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 7587 transitions. [2022-03-15 15:09:14,355 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 7587 transitions. Word has length 182 [2022-03-15 15:09:14,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:14,356 INFO L470 AbstractCegarLoop]: Abstraction has 3942 states and 7587 transitions. [2022-03-15 15:09:14,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.4) internal successors, (182), 6 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 7587 transitions. [2022-03-15 15:09:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-03-15 15:09:14,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:14,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:14,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 15:09:14,358 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:14,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1679495531, now seen corresponding path program 1 times [2022-03-15 15:09:14,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:14,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511241135] [2022-03-15 15:09:14,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:14,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:14,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511241135] [2022-03-15 15:09:14,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511241135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:14,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:14,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:14,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724932789] [2022-03-15 15:09:14,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:14,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:14,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:14,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:14,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:14,490 INFO L87 Difference]: Start difference. First operand 3942 states and 7587 transitions. Second operand has 6 states, 5 states have (on average 37.6) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:14,902 INFO L93 Difference]: Finished difference Result 3888 states and 7480 transitions. [2022-03-15 15:09:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:14,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 37.6) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2022-03-15 15:09:14,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:14,910 INFO L225 Difference]: With dead ends: 3888 [2022-03-15 15:09:14,910 INFO L226 Difference]: Without dead ends: 3888 [2022-03-15 15:09:14,910 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 [2022-03-15 15:09:14,910 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 152 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:14,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 1078 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:14,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2022-03-15 15:09:14,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 3888. [2022-03-15 15:09:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3888 states, 3864 states have (on average 1.9358178053830228) internal successors, (7480), 3887 states have internal predecessors, (7480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 7480 transitions. [2022-03-15 15:09:15,006 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 7480 transitions. Word has length 188 [2022-03-15 15:09:15,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:15,006 INFO L470 AbstractCegarLoop]: Abstraction has 3888 states and 7480 transitions. [2022-03-15 15:09:15,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.6) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 7480 transitions. [2022-03-15 15:09:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-03-15 15:09:15,008 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:15,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:15,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 15:09:15,009 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:15,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:15,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2143879696, now seen corresponding path program 1 times [2022-03-15 15:09:15,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:15,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644740234] [2022-03-15 15:09:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:15,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:15,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644740234] [2022-03-15 15:09:15,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644740234] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:15,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:15,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:15,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823695049] [2022-03-15 15:09:15,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:15,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:15,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:15,157 INFO L87 Difference]: Start difference. First operand 3888 states and 7480 transitions. Second operand has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:15,623 INFO L93 Difference]: Finished difference Result 5169 states and 9966 transitions. [2022-03-15 15:09:15,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:15,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2022-03-15 15:09:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:15,636 INFO L225 Difference]: With dead ends: 5169 [2022-03-15 15:09:15,636 INFO L226 Difference]: Without dead ends: 5089 [2022-03-15 15:09:15,636 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 [2022-03-15 15:09:15,638 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 202 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:15,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 863 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:15,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5089 states. [2022-03-15 15:09:15,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5089 to 4134. [2022-03-15 15:09:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4134 states, 4110 states have (on average 1.9357664233576641) internal successors, (7956), 4133 states have internal predecessors, (7956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 7956 transitions. [2022-03-15 15:09:15,722 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 7956 transitions. Word has length 192 [2022-03-15 15:09:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:15,723 INFO L470 AbstractCegarLoop]: Abstraction has 4134 states and 7956 transitions. [2022-03-15 15:09:15,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 7956 transitions. [2022-03-15 15:09:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-03-15 15:09:15,725 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:15,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:15,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 15:09:15,726 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:15,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:15,726 INFO L85 PathProgramCache]: Analyzing trace with hash -162897296, now seen corresponding path program 1 times [2022-03-15 15:09:15,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:15,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549750730] [2022-03-15 15:09:15,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:15,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:15,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:15,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549750730] [2022-03-15 15:09:15,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549750730] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:15,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:15,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:15,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763886118] [2022-03-15 15:09:15,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:15,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:15,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:15,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:15,872 INFO L87 Difference]: Start difference. First operand 4134 states and 7956 transitions. Second operand has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:16,130 INFO L93 Difference]: Finished difference Result 4367 states and 8417 transitions. [2022-03-15 15:09:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:16,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 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 196 [2022-03-15 15:09:16,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:16,145 INFO L225 Difference]: With dead ends: 4367 [2022-03-15 15:09:16,145 INFO L226 Difference]: Without dead ends: 4367 [2022-03-15 15:09:16,145 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 [2022-03-15 15:09:16,146 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 156 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:16,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 667 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:16,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2022-03-15 15:09:16,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 4311. [2022-03-15 15:09:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4311 states, 4287 states have (on average 1.9374854210403545) internal successors, (8306), 4310 states have internal predecessors, (8306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 4311 states and 8306 transitions. [2022-03-15 15:09:16,244 INFO L78 Accepts]: Start accepts. Automaton has 4311 states and 8306 transitions. Word has length 196 [2022-03-15 15:09:16,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:16,245 INFO L470 AbstractCegarLoop]: Abstraction has 4311 states and 8306 transitions. [2022-03-15 15:09:16,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4311 states and 8306 transitions. [2022-03-15 15:09:16,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-03-15 15:09:16,248 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:16,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:16,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 15:09:16,249 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:16,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:16,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1161595567, now seen corresponding path program 1 times [2022-03-15 15:09:16,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:16,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330716088] [2022-03-15 15:09:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:16,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:16,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:16,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330716088] [2022-03-15 15:09:16,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330716088] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:16,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:16,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 15:09:16,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379176594] [2022-03-15 15:09:16,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:16,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:16,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:16,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:16,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:16,341 INFO L87 Difference]: Start difference. First operand 4311 states and 8306 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:16,375 INFO L93 Difference]: Finished difference Result 3576 states and 6740 transitions. [2022-03-15 15:09:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:16,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2022-03-15 15:09:16,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:16,384 INFO L225 Difference]: With dead ends: 3576 [2022-03-15 15:09:16,384 INFO L226 Difference]: Without dead ends: 3576 [2022-03-15 15:09:16,384 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 [2022-03-15 15:09:16,385 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 103 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:16,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 623 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:16,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2022-03-15 15:09:16,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 3320. [2022-03-15 15:09:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3302 states have (on average 1.9006662628709874) internal successors, (6276), 3319 states have internal predecessors, (6276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 6276 transitions. [2022-03-15 15:09:16,453 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 6276 transitions. Word has length 204 [2022-03-15 15:09:16,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:16,453 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 6276 transitions. [2022-03-15 15:09:16,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 6276 transitions. [2022-03-15 15:09:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-03-15 15:09:16,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:16,456 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:16,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 15:09:16,456 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:16,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:16,457 INFO L85 PathProgramCache]: Analyzing trace with hash 324013885, now seen corresponding path program 1 times [2022-03-15 15:09:16,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:16,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120118788] [2022-03-15 15:09:16,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:16,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:16,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:16,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120118788] [2022-03-15 15:09:16,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120118788] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:16,614 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:16,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:16,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207524350] [2022-03-15 15:09:16,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:16,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:16,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:16,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:16,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:16,615 INFO L87 Difference]: Start difference. First operand 3320 states and 6276 transitions. Second operand has 6 states, 5 states have (on average 40.8) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:17,177 INFO L93 Difference]: Finished difference Result 3810 states and 7191 transitions. [2022-03-15 15:09:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:17,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.8) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2022-03-15 15:09:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:17,184 INFO L225 Difference]: With dead ends: 3810 [2022-03-15 15:09:17,184 INFO L226 Difference]: Without dead ends: 3546 [2022-03-15 15:09:17,185 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 [2022-03-15 15:09:17,186 INFO L933 BasicCegarLoop]: 440 mSDtfsCounter, 300 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:17,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 1002 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2022-03-15 15:09:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3099. [2022-03-15 15:09:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3084 states have (on average 1.8816472114137484) internal successors, (5803), 3098 states have internal predecessors, (5803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 5803 transitions. [2022-03-15 15:09:17,246 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 5803 transitions. Word has length 204 [2022-03-15 15:09:17,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:17,246 INFO L470 AbstractCegarLoop]: Abstraction has 3099 states and 5803 transitions. [2022-03-15 15:09:17,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.8) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 5803 transitions. [2022-03-15 15:09:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-15 15:09:17,249 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:17,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:17,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 15:09:17,249 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:17,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:17,250 INFO L85 PathProgramCache]: Analyzing trace with hash 632797486, now seen corresponding path program 1 times [2022-03-15 15:09:17,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:17,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442615184] [2022-03-15 15:09:17,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:17,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:17,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:17,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442615184] [2022-03-15 15:09:17,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442615184] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:17,394 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:17,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:17,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205130079] [2022-03-15 15:09:17,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:17,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:17,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:17,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:17,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:17,395 INFO L87 Difference]: Start difference. First operand 3099 states and 5803 transitions. Second operand has 6 states, 5 states have (on average 43.4) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:17,734 INFO L93 Difference]: Finished difference Result 3042 states and 5691 transitions. [2022-03-15 15:09:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:17,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 43.4) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 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 217 [2022-03-15 15:09:17,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:17,740 INFO L225 Difference]: With dead ends: 3042 [2022-03-15 15:09:17,741 INFO L226 Difference]: Without dead ends: 3042 [2022-03-15 15:09:17,741 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 [2022-03-15 15:09:17,741 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 148 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:17,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 871 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2022-03-15 15:09:17,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2022-03-15 15:09:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 3030 states have (on average 1.878217821782178) internal successors, (5691), 3041 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 5691 transitions. [2022-03-15 15:09:17,794 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 5691 transitions. Word has length 217 [2022-03-15 15:09:17,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:17,795 INFO L470 AbstractCegarLoop]: Abstraction has 3042 states and 5691 transitions. [2022-03-15 15:09:17,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 43.4) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 5691 transitions. [2022-03-15 15:09:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:17,798 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:17,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:17,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 15:09:17,799 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:17,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:17,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1616213939, now seen corresponding path program 1 times [2022-03-15 15:09:17,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:17,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535083990] [2022-03-15 15:09:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:17,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:17,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535083990] [2022-03-15 15:09:17,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535083990] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:17,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:17,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:17,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661621822] [2022-03-15 15:09:17,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:17,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:17,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:17,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:17,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:17,960 INFO L87 Difference]: Start difference. First operand 3042 states and 5691 transitions. Second operand has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:18,219 INFO L93 Difference]: Finished difference Result 3234 states and 6040 transitions. [2022-03-15 15:09:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:18,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:18,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:18,226 INFO L225 Difference]: With dead ends: 3234 [2022-03-15 15:09:18,226 INFO L226 Difference]: Without dead ends: 2748 [2022-03-15 15:09:18,226 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 [2022-03-15 15:09:18,227 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 155 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:18,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 696 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-03-15 15:09:18,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2732. [2022-03-15 15:09:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 2720 states have (on average 1.84375) internal successors, (5015), 2731 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 5015 transitions. [2022-03-15 15:09:18,289 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 5015 transitions. Word has length 225 [2022-03-15 15:09:18,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:18,290 INFO L470 AbstractCegarLoop]: Abstraction has 2732 states and 5015 transitions. [2022-03-15 15:09:18,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 5015 transitions. [2022-03-15 15:09:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:18,293 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:18,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:18,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 15:09:18,294 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:18,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:18,295 INFO L85 PathProgramCache]: Analyzing trace with hash -708561846, now seen corresponding path program 1 times [2022-03-15 15:09:18,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:18,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092721376] [2022-03-15 15:09:18,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:18,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:19,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:19,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092721376] [2022-03-15 15:09:19,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092721376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:19,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:19,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:09:19,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641631347] [2022-03-15 15:09:19,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:19,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:09:19,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:19,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:09:19,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:19,251 INFO L87 Difference]: Start difference. First operand 2732 states and 5015 transitions. Second operand has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:21,272 INFO L93 Difference]: Finished difference Result 2959 states and 5441 transitions. [2022-03-15 15:09:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-15 15:09:21,272 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:21,281 INFO L225 Difference]: With dead ends: 2959 [2022-03-15 15:09:21,281 INFO L226 Difference]: Without dead ends: 2959 [2022-03-15 15:09:21,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=437, Invalid=2425, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 15:09:21,282 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 1260 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:21,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 2414 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:09:21,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2022-03-15 15:09:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2810. [2022-03-15 15:09:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2810 states, 2798 states have (on average 1.8491779842744818) internal successors, (5174), 2809 states have internal predecessors, (5174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 5174 transitions. [2022-03-15 15:09:21,333 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 5174 transitions. Word has length 225 [2022-03-15 15:09:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:21,334 INFO L470 AbstractCegarLoop]: Abstraction has 2810 states and 5174 transitions. [2022-03-15 15:09:21,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 5174 transitions. [2022-03-15 15:09:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:21,338 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:21,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:21,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 15:09:21,338 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:21,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:21,339 INFO L85 PathProgramCache]: Analyzing trace with hash 572259991, now seen corresponding path program 1 times [2022-03-15 15:09:21,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:21,339 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629211930] [2022-03-15 15:09:21,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:21,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:22,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:22,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629211930] [2022-03-15 15:09:22,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629211930] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:22,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:22,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:09:22,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529410273] [2022-03-15 15:09:22,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:22,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:09:22,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:22,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:09:22,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:22,109 INFO L87 Difference]: Start difference. First operand 2810 states and 5174 transitions. Second operand has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:23,354 INFO L93 Difference]: Finished difference Result 2805 states and 5159 transitions. [2022-03-15 15:09:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:23,354 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:23,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:23,361 INFO L225 Difference]: With dead ends: 2805 [2022-03-15 15:09:23,361 INFO L226 Difference]: Without dead ends: 2805 [2022-03-15 15:09:23,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=1918, Unknown=0, NotChecked=0, Total=2256 [2022-03-15 15:09:23,363 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 1252 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:23,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1252 Valid, 2560 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2022-03-15 15:09:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2745. [2022-03-15 15:09:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 2734 states have (on average 1.843818580833943) internal successors, (5041), 2744 states have internal predecessors, (5041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 5041 transitions. [2022-03-15 15:09:23,404 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 5041 transitions. Word has length 225 [2022-03-15 15:09:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:23,405 INFO L470 AbstractCegarLoop]: Abstraction has 2745 states and 5041 transitions. [2022-03-15 15:09:23,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 5041 transitions. [2022-03-15 15:09:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:23,408 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:23,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:23,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 15:09:23,409 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:23,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash -777197484, now seen corresponding path program 2 times [2022-03-15 15:09:23,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:23,410 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670992067] [2022-03-15 15:09:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:23,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:24,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:24,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670992067] [2022-03-15 15:09:24,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670992067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:24,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:24,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:09:24,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040897356] [2022-03-15 15:09:24,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:24,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:09:24,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:24,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:09:24,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:24,331 INFO L87 Difference]: Start difference. First operand 2745 states and 5041 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:27,038 INFO L93 Difference]: Finished difference Result 3857 states and 7132 transitions. [2022-03-15 15:09:27,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:09:27,038 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:27,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:27,046 INFO L225 Difference]: With dead ends: 3857 [2022-03-15 15:09:27,046 INFO L226 Difference]: Without dead ends: 3857 [2022-03-15 15:09:27,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=548, Invalid=2992, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:09:27,047 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1218 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 3629 mSolverCounterSat, 386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 3629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:27,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1218 Valid, 4057 Invalid, 4015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 3629 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:09:27,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2022-03-15 15:09:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 2725. [2022-03-15 15:09:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2714 states have (on average 1.8426676492262344) internal successors, (5001), 2724 states have internal predecessors, (5001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5001 transitions. [2022-03-15 15:09:27,088 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5001 transitions. Word has length 225 [2022-03-15 15:09:27,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:27,089 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5001 transitions. [2022-03-15 15:09:27,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5001 transitions. [2022-03-15 15:09:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:27,092 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:27,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:27,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 15:09:27,093 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:27,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1493869290, now seen corresponding path program 3 times [2022-03-15 15:09:27,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:27,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447148510] [2022-03-15 15:09:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:27,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:27,993 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:27,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447148510] [2022-03-15 15:09:27,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447148510] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:27,993 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:27,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:09:27,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076300221] [2022-03-15 15:09:27,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:27,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:09:27,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:27,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:09:27,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:27,995 INFO L87 Difference]: Start difference. First operand 2725 states and 5001 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:30,663 INFO L93 Difference]: Finished difference Result 3801 states and 7020 transitions. [2022-03-15 15:09:30,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-15 15:09:30,663 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:30,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:30,670 INFO L225 Difference]: With dead ends: 3801 [2022-03-15 15:09:30,670 INFO L226 Difference]: Without dead ends: 3801 [2022-03-15 15:09:30,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=490, Invalid=2590, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 15:09:30,672 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1191 mSDsluCounter, 4401 mSDsCounter, 0 mSdLazyCounter, 3941 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 4243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 3941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:30,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1191 Valid, 4717 Invalid, 4243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 3941 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:09:30,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-03-15 15:09:30,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 2725. [2022-03-15 15:09:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2714 states have (on average 1.8426676492262344) internal successors, (5001), 2724 states have internal predecessors, (5001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5001 transitions. [2022-03-15 15:09:30,712 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5001 transitions. Word has length 225 [2022-03-15 15:09:30,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:30,712 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5001 transitions. [2022-03-15 15:09:30,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5001 transitions. [2022-03-15 15:09:30,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:30,716 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:30,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:30,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 15:09:30,717 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:30,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:30,717 INFO L85 PathProgramCache]: Analyzing trace with hash -466913022, now seen corresponding path program 4 times [2022-03-15 15:09:30,717 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:30,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627312257] [2022-03-15 15:09:30,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:30,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:31,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:31,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627312257] [2022-03-15 15:09:31,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627312257] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:31,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:31,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:09:31,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141575028] [2022-03-15 15:09:31,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:31,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:09:31,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:31,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:09:31,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:31,536 INFO L87 Difference]: Start difference. First operand 2725 states and 5001 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:34,051 INFO L93 Difference]: Finished difference Result 3854 states and 7126 transitions. [2022-03-15 15:09:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 15:09:34,051 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:34,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:34,059 INFO L225 Difference]: With dead ends: 3854 [2022-03-15 15:09:34,059 INFO L226 Difference]: Without dead ends: 3854 [2022-03-15 15:09:34,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=521, Invalid=2785, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 15:09:34,061 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1384 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 3511 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 3511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:34,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1384 Valid, 4108 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 3511 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:09:34,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2022-03-15 15:09:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 2725. [2022-03-15 15:09:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2714 states have (on average 1.8426676492262344) internal successors, (5001), 2724 states have internal predecessors, (5001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5001 transitions. [2022-03-15 15:09:34,102 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5001 transitions. Word has length 225 [2022-03-15 15:09:34,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:34,102 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5001 transitions. [2022-03-15 15:09:34,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5001 transitions. [2022-03-15 15:09:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-15 15:09:34,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:34,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:34,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 15:09:34,105 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:34,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:34,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1841771890, now seen corresponding path program 5 times [2022-03-15 15:09:34,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:34,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051652375] [2022-03-15 15:09:34,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:34,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:34,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:34,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051652375] [2022-03-15 15:09:34,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051652375] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:34,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:34,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:09:34,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313176367] [2022-03-15 15:09:34,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:34,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:09:34,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:34,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:09:34,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:34,920 INFO L87 Difference]: Start difference. First operand 2725 states and 5001 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:37,522 INFO L93 Difference]: Finished difference Result 3812 states and 7042 transitions. [2022-03-15 15:09:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:09:37,522 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-03-15 15:09:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:37,530 INFO L225 Difference]: With dead ends: 3812 [2022-03-15 15:09:37,530 INFO L226 Difference]: Without dead ends: 3812 [2022-03-15 15:09:37,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=532, Invalid=2890, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:09:37,532 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 1312 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 3438 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 3819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 3438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:37,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1312 Valid, 3862 Invalid, 3819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 3438 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:09:37,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-03-15 15:09:37,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 2660. [2022-03-15 15:09:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 2649 states have (on average 1.8388070970177426) internal successors, (4871), 2659 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4871 transitions. [2022-03-15 15:09:37,573 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4871 transitions. Word has length 225 [2022-03-15 15:09:37,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:37,574 INFO L470 AbstractCegarLoop]: Abstraction has 2660 states and 4871 transitions. [2022-03-15 15:09:37,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4871 transitions. [2022-03-15 15:09:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-03-15 15:09:37,577 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:37,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:37,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 15:09:37,577 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:37,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:37,578 INFO L85 PathProgramCache]: Analyzing trace with hash 870818900, now seen corresponding path program 1 times [2022-03-15 15:09:37,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:37,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005658165] [2022-03-15 15:09:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:37,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:38,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:38,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005658165] [2022-03-15 15:09:38,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005658165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:38,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:38,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:09:38,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004635293] [2022-03-15 15:09:38,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:38,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:09:38,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:38,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:09:38,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:38,341 INFO L87 Difference]: Start difference. First operand 2660 states and 4871 transitions. Second operand has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:40,085 INFO L93 Difference]: Finished difference Result 2898 states and 5319 transitions. [2022-03-15 15:09:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 15:09:40,086 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-03-15 15:09:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:40,090 INFO L225 Difference]: With dead ends: 2898 [2022-03-15 15:09:40,090 INFO L226 Difference]: Without dead ends: 2898 [2022-03-15 15:09:40,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=461, Invalid=2619, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 15:09:40,092 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 1202 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 2779 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 3008 SdHoareTripleChecker+Invalid, 3079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 2779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:40,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1202 Valid, 3008 Invalid, 3079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 2779 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:09:40,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2022-03-15 15:09:40,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2718. [2022-03-15 15:09:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2707 states have (on average 1.842260805319542) internal successors, (4987), 2717 states have internal predecessors, (4987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 4987 transitions. [2022-03-15 15:09:40,127 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 4987 transitions. Word has length 230 [2022-03-15 15:09:40,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:40,127 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 4987 transitions. [2022-03-15 15:09:40,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 4987 transitions. [2022-03-15 15:09:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-03-15 15:09:40,130 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:40,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:40,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 15:09:40,131 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:40,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:40,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1109359198, now seen corresponding path program 2 times [2022-03-15 15:09:40,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:40,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819307565] [2022-03-15 15:09:40,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:40,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:42,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:42,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819307565] [2022-03-15 15:09:42,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819307565] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:42,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:42,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:09:42,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705661810] [2022-03-15 15:09:42,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:42,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:09:42,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:42,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:09:42,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:09:42,022 INFO L87 Difference]: Start difference. First operand 2718 states and 4987 transitions. Second operand has 28 states, 27 states have (on average 8.518518518518519) internal successors, (230), 28 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:45,052 INFO L93 Difference]: Finished difference Result 4035 states and 7491 transitions. [2022-03-15 15:09:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:09:45,053 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.518518518518519) internal successors, (230), 28 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-03-15 15:09:45,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:45,060 INFO L225 Difference]: With dead ends: 4035 [2022-03-15 15:09:45,061 INFO L226 Difference]: Without dead ends: 4035 [2022-03-15 15:09:45,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1397 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=791, Invalid=4465, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:09:45,062 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 1871 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:45,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1871 Valid, 3638 Invalid, 3573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:09:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4035 states. [2022-03-15 15:09:45,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4035 to 2716. [2022-03-15 15:09:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2705 states have (on average 1.8421441774491683) internal successors, (4983), 2715 states have internal predecessors, (4983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 4983 transitions. [2022-03-15 15:09:45,107 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 4983 transitions. Word has length 230 [2022-03-15 15:09:45,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:45,107 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 4983 transitions. [2022-03-15 15:09:45,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.518518518518519) internal successors, (230), 28 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 4983 transitions. [2022-03-15 15:09:45,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-03-15 15:09:45,110 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:45,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:45,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 15:09:45,111 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:45,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:45,111 INFO L85 PathProgramCache]: Analyzing trace with hash -570058284, now seen corresponding path program 3 times [2022-03-15 15:09:45,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:45,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780933617] [2022-03-15 15:09:45,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:45,753 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:45,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780933617] [2022-03-15 15:09:45,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780933617] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:45,753 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:45,753 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:09:45,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470343823] [2022-03-15 15:09:45,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:45,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:09:45,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:45,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:09:45,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:45,755 INFO L87 Difference]: Start difference. First operand 2716 states and 4983 transitions. Second operand has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:47,797 INFO L93 Difference]: Finished difference Result 2797 states and 5128 transitions. [2022-03-15 15:09:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:09:47,797 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-03-15 15:09:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:47,801 INFO L225 Difference]: With dead ends: 2797 [2022-03-15 15:09:47,801 INFO L226 Difference]: Without dead ends: 2797 [2022-03-15 15:09:47,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=565, Invalid=3095, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:09:47,802 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 1352 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 3163 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 3507 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 3163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:47,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1352 Valid, 3507 Invalid, 3524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 3163 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:09:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-03-15 15:09:47,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2584. [2022-03-15 15:09:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2573 states have (on average 1.8383210260396425) internal successors, (4730), 2583 states have internal predecessors, (4730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 4730 transitions. [2022-03-15 15:09:47,858 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 4730 transitions. Word has length 230 [2022-03-15 15:09:47,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:47,858 INFO L470 AbstractCegarLoop]: Abstraction has 2584 states and 4730 transitions. [2022-03-15 15:09:47,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 4730 transitions. [2022-03-15 15:09:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-15 15:09:47,862 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:47,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:47,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 15:09:47,862 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:47,863 INFO L85 PathProgramCache]: Analyzing trace with hash 44133478, now seen corresponding path program 1 times [2022-03-15 15:09:47,863 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:47,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696391940] [2022-03-15 15:09:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:49,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:49,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696391940] [2022-03-15 15:09:49,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696391940] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:49,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:49,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:09:49,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185720589] [2022-03-15 15:09:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:49,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:09:49,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:49,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:09:49,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:09:49,547 INFO L87 Difference]: Start difference. First operand 2584 states and 4730 transitions. Second operand has 29 states, 28 states have (on average 8.321428571428571) internal successors, (233), 29 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:51,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:51,919 INFO L93 Difference]: Finished difference Result 2567 states and 4697 transitions. [2022-03-15 15:09:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-15 15:09:51,920 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.321428571428571) internal successors, (233), 29 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-03-15 15:09:51,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:51,923 INFO L225 Difference]: With dead ends: 2567 [2022-03-15 15:09:51,923 INFO L226 Difference]: Without dead ends: 2535 [2022-03-15 15:09:51,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=471, Invalid=2721, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 15:09:51,924 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 2146 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 3172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:51,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2146 Valid, 2462 Invalid, 3172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:09:51,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2022-03-15 15:09:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 2516. [2022-03-15 15:09:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 2507 states have (on average 1.836059034702832) internal successors, (4603), 2515 states have internal predecessors, (4603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 4603 transitions. [2022-03-15 15:09:51,954 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 4603 transitions. Word has length 233 [2022-03-15 15:09:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:51,954 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 4603 transitions. [2022-03-15 15:09:51,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.321428571428571) internal successors, (233), 29 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 4603 transitions. [2022-03-15 15:09:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-15 15:09:51,957 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:51,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:51,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 15:09:51,958 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:51,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:51,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1470382605, now seen corresponding path program 1 times [2022-03-15 15:09:51,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:51,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004590477] [2022-03-15 15:09:51,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:51,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:52,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:52,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004590477] [2022-03-15 15:09:52,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004590477] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:52,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:52,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:09:52,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916462493] [2022-03-15 15:09:52,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:52,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:09:52,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:52,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:09:52,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:52,748 INFO L87 Difference]: Start difference. First operand 2516 states and 4603 transitions. Second operand has 27 states, 26 states have (on average 8.961538461538462) internal successors, (233), 27 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:54,800 INFO L93 Difference]: Finished difference Result 2519 states and 4606 transitions. [2022-03-15 15:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-15 15:09:54,801 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.961538461538462) internal successors, (233), 27 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-03-15 15:09:54,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:54,804 INFO L225 Difference]: With dead ends: 2519 [2022-03-15 15:09:54,804 INFO L226 Difference]: Without dead ends: 2519 [2022-03-15 15:09:54,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=341, Invalid=2415, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 15:09:54,805 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 1407 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 3791 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 3892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:54,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1407 Valid, 4319 Invalid, 3892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3791 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:09:54,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-03-15 15:09:54,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2471. [2022-03-15 15:09:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2471 states, 2462 states have (on average 1.8367181153533712) internal successors, (4522), 2470 states have internal predecessors, (4522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 4522 transitions. [2022-03-15 15:09:54,835 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 4522 transitions. Word has length 233 [2022-03-15 15:09:54,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:54,836 INFO L470 AbstractCegarLoop]: Abstraction has 2471 states and 4522 transitions. [2022-03-15 15:09:54,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.961538461538462) internal successors, (233), 27 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 4522 transitions. [2022-03-15 15:09:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:09:54,839 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:54,839 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:54,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 15:09:54,840 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:54,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:54,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1896761957, now seen corresponding path program 1 times [2022-03-15 15:09:54,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:54,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808945584] [2022-03-15 15:09:54,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:54,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:56,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:56,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808945584] [2022-03-15 15:09:56,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808945584] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:56,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:56,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:09:56,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300984469] [2022-03-15 15:09:56,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:56,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:09:56,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:56,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:09:56,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:09:56,124 INFO L87 Difference]: Start difference. First operand 2471 states and 4522 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:59,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:59,079 INFO L93 Difference]: Finished difference Result 3268 states and 5986 transitions. [2022-03-15 15:09:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:09:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:09:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:59,083 INFO L225 Difference]: With dead ends: 3268 [2022-03-15 15:09:59,083 INFO L226 Difference]: Without dead ends: 3268 [2022-03-15 15:09:59,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=502, Invalid=3658, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:09:59,084 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1265 mSDsluCounter, 3787 mSDsCounter, 0 mSdLazyCounter, 4474 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 4745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 4474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:59,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 4026 Invalid, 4745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 4474 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:09:59,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2022-03-15 15:09:59,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2745. [2022-03-15 15:09:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 2736 states have (on average 1.8472222222222223) internal successors, (5054), 2744 states have internal predecessors, (5054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 5054 transitions. [2022-03-15 15:09:59,124 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 5054 transitions. Word has length 234 [2022-03-15 15:09:59,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:59,124 INFO L470 AbstractCegarLoop]: Abstraction has 2745 states and 5054 transitions. [2022-03-15 15:09:59,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 5054 transitions. [2022-03-15 15:09:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:09:59,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:59,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:59,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 15:09:59,129 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:09:59,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:59,129 INFO L85 PathProgramCache]: Analyzing trace with hash -46511695, now seen corresponding path program 1 times [2022-03-15 15:09:59,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:59,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215877508] [2022-03-15 15:09:59,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:59,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:59,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:59,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215877508] [2022-03-15 15:09:59,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215877508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:59,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:59,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:09:59,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913685257] [2022-03-15 15:09:59,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:59,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:09:59,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:59,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:09:59,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:09:59,993 INFO L87 Difference]: Start difference. First operand 2745 states and 5054 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:01,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:01,944 INFO L93 Difference]: Finished difference Result 2923 states and 5379 transitions. [2022-03-15 15:10:01,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:10:01,944 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:01,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:01,947 INFO L225 Difference]: With dead ends: 2923 [2022-03-15 15:10:01,948 INFO L226 Difference]: Without dead ends: 2887 [2022-03-15 15:10:01,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=464, Invalid=3442, Unknown=0, NotChecked=0, Total=3906 [2022-03-15 15:10:01,949 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 1342 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 3190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:01,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 3754 Invalid, 3190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:10:01,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2022-03-15 15:10:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2764. [2022-03-15 15:10:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2755 states have (on average 1.8482758620689654) internal successors, (5092), 2763 states have internal predecessors, (5092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 5092 transitions. [2022-03-15 15:10:01,991 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 5092 transitions. Word has length 234 [2022-03-15 15:10:01,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:01,991 INFO L470 AbstractCegarLoop]: Abstraction has 2764 states and 5092 transitions. [2022-03-15 15:10:01,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 5092 transitions. [2022-03-15 15:10:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:01,996 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:01,996 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:01,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 15:10:01,996 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:01,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:01,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1070349691, now seen corresponding path program 2 times [2022-03-15 15:10:01,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:01,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801341413] [2022-03-15 15:10:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:02,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:02,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801341413] [2022-03-15 15:10:02,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801341413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:02,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:02,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:10:02,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110486490] [2022-03-15 15:10:02,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:02,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:10:02,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:02,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:10:02,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:10:02,719 INFO L87 Difference]: Start difference. First operand 2764 states and 5092 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:04,743 INFO L93 Difference]: Finished difference Result 2972 states and 5482 transitions. [2022-03-15 15:10:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:10:04,744 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:04,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:04,747 INFO L225 Difference]: With dead ends: 2972 [2022-03-15 15:10:04,747 INFO L226 Difference]: Without dead ends: 2936 [2022-03-15 15:10:04,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=411, Invalid=3129, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:10:04,748 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 933 mSDsluCounter, 4384 mSDsCounter, 0 mSdLazyCounter, 3518 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 4637 SdHoareTripleChecker+Invalid, 3626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:04,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 4637 Invalid, 3626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3518 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2022-03-15 15:10:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2766. [2022-03-15 15:10:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2757 states have (on average 1.8483859267319551) internal successors, (5096), 2765 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 5096 transitions. [2022-03-15 15:10:04,777 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 5096 transitions. Word has length 234 [2022-03-15 15:10:04,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:04,778 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 5096 transitions. [2022-03-15 15:10:04,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 5096 transitions. [2022-03-15 15:10:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:04,782 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:04,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:04,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 15:10:04,782 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:04,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:04,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1495872881, now seen corresponding path program 3 times [2022-03-15 15:10:04,783 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:04,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634992511] [2022-03-15 15:10:04,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:04,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:05,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:05,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634992511] [2022-03-15 15:10:05,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634992511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:05,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:05,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:05,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713652038] [2022-03-15 15:10:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:05,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:05,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:05,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:05,536 INFO L87 Difference]: Start difference. First operand 2766 states and 5096 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:07,671 INFO L93 Difference]: Finished difference Result 2938 states and 5416 transitions. [2022-03-15 15:10:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:10:07,671 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:07,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:07,674 INFO L225 Difference]: With dead ends: 2938 [2022-03-15 15:10:07,674 INFO L226 Difference]: Without dead ends: 2911 [2022-03-15 15:10:07,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=441, Invalid=3719, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:10:07,676 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1100 mSDsluCounter, 3999 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 3708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:07,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1100 Valid, 4238 Invalid, 3708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 3604 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2022-03-15 15:10:07,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2768. [2022-03-15 15:10:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2759 states have (on average 1.8484958318231244) internal successors, (5100), 2767 states have internal predecessors, (5100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 5100 transitions. [2022-03-15 15:10:07,708 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 5100 transitions. Word has length 234 [2022-03-15 15:10:07,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:07,708 INFO L470 AbstractCegarLoop]: Abstraction has 2768 states and 5100 transitions. [2022-03-15 15:10:07,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 5100 transitions. [2022-03-15 15:10:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:07,712 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:07,712 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:07,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 15:10:07,712 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:07,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1269173169, now seen corresponding path program 4 times [2022-03-15 15:10:07,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:07,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217165551] [2022-03-15 15:10:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:07,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:08,517 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:08,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217165551] [2022-03-15 15:10:08,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217165551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:08,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:08,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:08,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779482956] [2022-03-15 15:10:08,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:08,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:08,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:08,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:08,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=839, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:08,519 INFO L87 Difference]: Start difference. First operand 2768 states and 5100 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:10,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:10,664 INFO L93 Difference]: Finished difference Result 2856 states and 5263 transitions. [2022-03-15 15:10:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:10:10,664 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:10,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:10,668 INFO L225 Difference]: With dead ends: 2856 [2022-03-15 15:10:10,668 INFO L226 Difference]: Without dead ends: 2847 [2022-03-15 15:10:10,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=416, Invalid=3366, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:10:10,669 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 1008 mSDsluCounter, 4251 mSDsCounter, 0 mSdLazyCounter, 3786 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 4476 SdHoareTripleChecker+Invalid, 3862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:10,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1008 Valid, 4476 Invalid, 3862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3786 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2022-03-15 15:10:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2772. [2022-03-15 15:10:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2763 states have (on average 1.8487151646760767) internal successors, (5108), 2771 states have internal predecessors, (5108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 5108 transitions. [2022-03-15 15:10:10,714 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 5108 transitions. Word has length 234 [2022-03-15 15:10:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:10,714 INFO L470 AbstractCegarLoop]: Abstraction has 2772 states and 5108 transitions. [2022-03-15 15:10:10,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 5108 transitions. [2022-03-15 15:10:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:10,718 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:10,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:10,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 15:10:10,718 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:10,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:10,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1287607195, now seen corresponding path program 5 times [2022-03-15 15:10:10,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:10,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056043911] [2022-03-15 15:10:10,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:11,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:11,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056043911] [2022-03-15 15:10:11,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056043911] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:11,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:11,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:11,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677152309] [2022-03-15 15:10:11,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:11,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:11,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:11,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:11,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:11,461 INFO L87 Difference]: Start difference. First operand 2772 states and 5108 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:13,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:13,513 INFO L93 Difference]: Finished difference Result 2882 states and 5313 transitions. [2022-03-15 15:10:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:10:13,513 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:13,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:13,516 INFO L225 Difference]: With dead ends: 2882 [2022-03-15 15:10:13,516 INFO L226 Difference]: Without dead ends: 2864 [2022-03-15 15:10:13,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=433, Invalid=3599, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:10:13,517 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 1247 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 3455 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3848 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:13,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 3848 Invalid, 3556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3455 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-03-15 15:10:13,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2772. [2022-03-15 15:10:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2763 states have (on average 1.8487151646760767) internal successors, (5108), 2771 states have internal predecessors, (5108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 5108 transitions. [2022-03-15 15:10:13,541 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 5108 transitions. Word has length 234 [2022-03-15 15:10:13,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:13,542 INFO L470 AbstractCegarLoop]: Abstraction has 2772 states and 5108 transitions. [2022-03-15 15:10:13,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 5108 transitions. [2022-03-15 15:10:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:13,546 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:13,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:13,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 15:10:13,547 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:13,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:13,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1234001283, now seen corresponding path program 6 times [2022-03-15 15:10:13,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:13,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031286078] [2022-03-15 15:10:13,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:13,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:14,715 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:14,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031286078] [2022-03-15 15:10:14,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031286078] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:14,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:14,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:10:14,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26828782] [2022-03-15 15:10:14,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:14,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:10:14,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:14,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:10:14,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:10:14,717 INFO L87 Difference]: Start difference. First operand 2772 states and 5108 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:17,037 INFO L93 Difference]: Finished difference Result 2886 states and 5322 transitions. [2022-03-15 15:10:17,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:10:17,037 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:17,040 INFO L225 Difference]: With dead ends: 2886 [2022-03-15 15:10:17,040 INFO L226 Difference]: Without dead ends: 2877 [2022-03-15 15:10:17,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=459, Invalid=3573, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:10:17,041 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1200 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:17,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1200 Valid, 3838 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2022-03-15 15:10:17,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2779. [2022-03-15 15:10:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2770 states have (on average 1.8490974729241878) internal successors, (5122), 2778 states have internal predecessors, (5122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 5122 transitions. [2022-03-15 15:10:17,082 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 5122 transitions. Word has length 234 [2022-03-15 15:10:17,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:17,082 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 5122 transitions. [2022-03-15 15:10:17,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 5122 transitions. [2022-03-15 15:10:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:17,085 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:17,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:17,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 15:10:17,086 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:17,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:17,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1492077647, now seen corresponding path program 7 times [2022-03-15 15:10:17,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:17,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780573546] [2022-03-15 15:10:17,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:17,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:18,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:18,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780573546] [2022-03-15 15:10:18,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780573546] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:18,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:18,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:10:18,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664137425] [2022-03-15 15:10:18,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:18,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:10:18,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:18,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:10:18,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:10:18,552 INFO L87 Difference]: Start difference. First operand 2779 states and 5122 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:21,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:21,227 INFO L93 Difference]: Finished difference Result 2918 states and 5384 transitions. [2022-03-15 15:10:21,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:10:21,227 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:21,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:21,231 INFO L225 Difference]: With dead ends: 2918 [2022-03-15 15:10:21,231 INFO L226 Difference]: Without dead ends: 2900 [2022-03-15 15:10:21,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=466, Invalid=3694, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:10:21,232 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 1397 mSDsluCounter, 3878 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 4116 SdHoareTripleChecker+Invalid, 3483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:21,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1397 Valid, 4116 Invalid, 3483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3361 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:21,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2900 states. [2022-03-15 15:10:21,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2900 to 2777. [2022-03-15 15:10:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.8489884393063585) internal successors, (5118), 2776 states have internal predecessors, (5118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5118 transitions. [2022-03-15 15:10:21,266 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5118 transitions. Word has length 234 [2022-03-15 15:10:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:21,267 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5118 transitions. [2022-03-15 15:10:21,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5118 transitions. [2022-03-15 15:10:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:21,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:21,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:21,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-15 15:10:21,271 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:21,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:21,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1284023717, now seen corresponding path program 8 times [2022-03-15 15:10:21,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:21,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754580982] [2022-03-15 15:10:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:21,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:22,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:22,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754580982] [2022-03-15 15:10:22,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754580982] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:22,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:22,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:22,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540220093] [2022-03-15 15:10:22,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:22,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:22,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:22,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:22,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:22,321 INFO L87 Difference]: Start difference. First operand 2777 states and 5118 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:24,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:24,876 INFO L93 Difference]: Finished difference Result 3431 states and 6371 transitions. [2022-03-15 15:10:24,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:10:24,877 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:24,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:24,880 INFO L225 Difference]: With dead ends: 3431 [2022-03-15 15:10:24,880 INFO L226 Difference]: Without dead ends: 3404 [2022-03-15 15:10:24,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=635, Invalid=5065, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:10:24,882 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1410 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 3740 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 3740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:24,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1410 Valid, 4738 Invalid, 3907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 3740 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2022-03-15 15:10:24,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 2821. [2022-03-15 15:10:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2812 states have (on average 1.8506401137980086) internal successors, (5204), 2820 states have internal predecessors, (5204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 5204 transitions. [2022-03-15 15:10:24,916 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 5204 transitions. Word has length 234 [2022-03-15 15:10:24,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:24,916 INFO L470 AbstractCegarLoop]: Abstraction has 2821 states and 5204 transitions. [2022-03-15 15:10:24,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 5204 transitions. [2022-03-15 15:10:24,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:24,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:24,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:24,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-15 15:10:24,919 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:24,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:24,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1846532019, now seen corresponding path program 9 times [2022-03-15 15:10:24,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:24,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368589604] [2022-03-15 15:10:24,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:24,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:26,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:26,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368589604] [2022-03-15 15:10:26,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368589604] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:26,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:26,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:10:26,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464293865] [2022-03-15 15:10:26,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:26,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:10:26,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:26,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:10:26,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=962, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:10:26,032 INFO L87 Difference]: Start difference. First operand 2821 states and 5204 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:28,646 INFO L93 Difference]: Finished difference Result 3085 states and 5699 transitions. [2022-03-15 15:10:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:10:28,646 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:28,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:28,649 INFO L225 Difference]: With dead ends: 3085 [2022-03-15 15:10:28,649 INFO L226 Difference]: Without dead ends: 3049 [2022-03-15 15:10:28,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=512, Invalid=4180, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:10:28,650 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1338 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 3829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:28,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1338 Valid, 4433 Invalid, 3829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 3696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:28,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2022-03-15 15:10:28,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 2819. [2022-03-15 15:10:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2810 states have (on average 1.8505338078291815) internal successors, (5200), 2818 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 5200 transitions. [2022-03-15 15:10:28,679 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 5200 transitions. Word has length 234 [2022-03-15 15:10:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:28,680 INFO L470 AbstractCegarLoop]: Abstraction has 2819 states and 5200 transitions. [2022-03-15 15:10:28,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 5200 transitions. [2022-03-15 15:10:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:28,683 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:28,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:28,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-15 15:10:28,683 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:28,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:28,684 INFO L85 PathProgramCache]: Analyzing trace with hash 872501199, now seen corresponding path program 10 times [2022-03-15 15:10:28,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:28,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142426297] [2022-03-15 15:10:28,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:28,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:29,626 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:29,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142426297] [2022-03-15 15:10:29,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142426297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:29,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:29,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:10:29,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842083247] [2022-03-15 15:10:29,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:29,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:10:29,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:29,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:10:29,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:10:29,628 INFO L87 Difference]: Start difference. First operand 2819 states and 5200 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:31,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:31,347 INFO L93 Difference]: Finished difference Result 2921 states and 5390 transitions. [2022-03-15 15:10:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 15:10:31,347 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:31,351 INFO L225 Difference]: With dead ends: 2921 [2022-03-15 15:10:31,351 INFO L226 Difference]: Without dead ends: 2912 [2022-03-15 15:10:31,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=409, Invalid=3013, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:10:31,352 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 1124 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:31,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 3214 Invalid, 2566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:10:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-03-15 15:10:31,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2829. [2022-03-15 15:10:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2829 states, 2820 states have (on average 1.851063829787234) internal successors, (5220), 2828 states have internal predecessors, (5220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 5220 transitions. [2022-03-15 15:10:31,382 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 5220 transitions. Word has length 234 [2022-03-15 15:10:31,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:31,383 INFO L470 AbstractCegarLoop]: Abstraction has 2829 states and 5220 transitions. [2022-03-15 15:10:31,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 5220 transitions. [2022-03-15 15:10:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:31,386 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:31,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:31,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-15 15:10:31,387 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:31,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:31,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1130577563, now seen corresponding path program 11 times [2022-03-15 15:10:31,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:31,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664530192] [2022-03-15 15:10:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:31,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:32,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:32,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664530192] [2022-03-15 15:10:32,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664530192] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:32,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:32,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:32,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700965613] [2022-03-15 15:10:32,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:32,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:32,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:32,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:32,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:32,436 INFO L87 Difference]: Start difference. First operand 2829 states and 5220 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:35,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:35,101 INFO L93 Difference]: Finished difference Result 3328 states and 6176 transitions. [2022-03-15 15:10:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:10:35,101 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:35,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:35,105 INFO L225 Difference]: With dead ends: 3328 [2022-03-15 15:10:35,105 INFO L226 Difference]: Without dead ends: 3310 [2022-03-15 15:10:35,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=633, Invalid=4917, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:10:35,108 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 1378 mSDsluCounter, 4585 mSDsCounter, 0 mSdLazyCounter, 3960 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 4866 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:35,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1378 Valid, 4866 Invalid, 4097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 3960 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:10:35,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2022-03-15 15:10:35,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 2825. [2022-03-15 15:10:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2816 states have (on average 1.8508522727272727) internal successors, (5212), 2824 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 5212 transitions. [2022-03-15 15:10:35,133 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 5212 transitions. Word has length 234 [2022-03-15 15:10:35,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:35,133 INFO L470 AbstractCegarLoop]: Abstraction has 2825 states and 5212 transitions. [2022-03-15 15:10:35,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 5212 transitions. [2022-03-15 15:10:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:35,137 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:35,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:35,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-15 15:10:35,137 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:35,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:35,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1631645811, now seen corresponding path program 12 times [2022-03-15 15:10:35,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:35,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83285586] [2022-03-15 15:10:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:35,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:36,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:36,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83285586] [2022-03-15 15:10:36,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83285586] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:36,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:36,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:10:36,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530746037] [2022-03-15 15:10:36,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:36,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:10:36,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:10:36,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:10:36,245 INFO L87 Difference]: Start difference. First operand 2825 states and 5212 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:38,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:38,952 INFO L93 Difference]: Finished difference Result 3043 states and 5624 transitions. [2022-03-15 15:10:38,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:10:38,952 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:38,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:38,955 INFO L225 Difference]: With dead ends: 3043 [2022-03-15 15:10:38,955 INFO L226 Difference]: Without dead ends: 3007 [2022-03-15 15:10:38,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=502, Invalid=4190, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:10:38,957 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 1283 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 3798 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 4559 SdHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:38,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1283 Valid, 4559 Invalid, 3925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3798 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:10:38,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2022-03-15 15:10:38,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 2826. [2022-03-15 15:10:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2817 states have (on average 1.8509052183173589) internal successors, (5214), 2825 states have internal predecessors, (5214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 5214 transitions. [2022-03-15 15:10:39,004 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 5214 transitions. Word has length 234 [2022-03-15 15:10:39,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:39,004 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 5214 transitions. [2022-03-15 15:10:39,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 5214 transitions. [2022-03-15 15:10:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:39,008 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:39,008 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:39,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-15 15:10:39,008 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:39,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1480521311, now seen corresponding path program 13 times [2022-03-15 15:10:39,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:39,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997344842] [2022-03-15 15:10:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:39,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:40,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:40,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997344842] [2022-03-15 15:10:40,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997344842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:40,268 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:40,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:10:40,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944723977] [2022-03-15 15:10:40,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:40,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:10:40,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:40,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:10:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:10:40,270 INFO L87 Difference]: Start difference. First operand 2826 states and 5214 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:42,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:42,783 INFO L93 Difference]: Finished difference Result 3045 states and 5628 transitions. [2022-03-15 15:10:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:10:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:42,786 INFO L225 Difference]: With dead ends: 3045 [2022-03-15 15:10:42,786 INFO L226 Difference]: Without dead ends: 3009 [2022-03-15 15:10:42,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=414, Invalid=3246, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:10:42,787 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 1166 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:42,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 3635 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:10:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2022-03-15 15:10:42,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2827. [2022-03-15 15:10:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2818 states have (on average 1.850958126330731) internal successors, (5216), 2826 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 5216 transitions. [2022-03-15 15:10:42,810 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 5216 transitions. Word has length 234 [2022-03-15 15:10:42,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:42,810 INFO L470 AbstractCegarLoop]: Abstraction has 2827 states and 5216 transitions. [2022-03-15 15:10:42,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 5216 transitions. [2022-03-15 15:10:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:42,812 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:42,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:42,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-15 15:10:42,813 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:42,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 500397683, now seen corresponding path program 14 times [2022-03-15 15:10:42,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:42,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923670607] [2022-03-15 15:10:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:42,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:44,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:44,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923670607] [2022-03-15 15:10:44,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923670607] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:44,075 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:44,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:10:44,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881674862] [2022-03-15 15:10:44,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:44,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:10:44,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:44,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:10:44,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:10:44,076 INFO L87 Difference]: Start difference. First operand 2827 states and 5216 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:46,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:46,822 INFO L93 Difference]: Finished difference Result 3065 states and 5662 transitions. [2022-03-15 15:10:46,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:10:46,823 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:46,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:46,826 INFO L225 Difference]: With dead ends: 3065 [2022-03-15 15:10:46,826 INFO L226 Difference]: Without dead ends: 3029 [2022-03-15 15:10:46,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=493, Invalid=3797, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:10:46,827 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1257 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 3539 SdHoareTripleChecker+Invalid, 2892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:46,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1257 Valid, 3539 Invalid, 2892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:10:46,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-03-15 15:10:46,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2806. [2022-03-15 15:10:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2797 states have (on average 1.8484090096531998) internal successors, (5170), 2805 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 5170 transitions. [2022-03-15 15:10:46,851 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 5170 transitions. Word has length 234 [2022-03-15 15:10:46,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:46,851 INFO L470 AbstractCegarLoop]: Abstraction has 2806 states and 5170 transitions. [2022-03-15 15:10:46,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 5170 transitions. [2022-03-15 15:10:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:46,853 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:46,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:46,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-15 15:10:46,854 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:46,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:46,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1122768871, now seen corresponding path program 15 times [2022-03-15 15:10:46,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:46,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240573918] [2022-03-15 15:10:46,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:46,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:47,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:47,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240573918] [2022-03-15 15:10:47,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240573918] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:47,895 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:47,896 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:10:47,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174544405] [2022-03-15 15:10:47,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:47,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:10:47,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:47,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:10:47,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:10:47,897 INFO L87 Difference]: Start difference. First operand 2806 states and 5170 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:50,521 INFO L93 Difference]: Finished difference Result 3479 states and 6447 transitions. [2022-03-15 15:10:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:10:50,522 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:50,526 INFO L225 Difference]: With dead ends: 3479 [2022-03-15 15:10:50,526 INFO L226 Difference]: Without dead ends: 3443 [2022-03-15 15:10:50,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1589 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=714, Invalid=5292, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:10:50,527 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1546 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 3714 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 4995 SdHoareTripleChecker+Invalid, 3853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:50,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 4995 Invalid, 3853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3714 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:50,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2022-03-15 15:10:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 2823. [2022-03-15 15:10:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2814 states have (on average 1.8493248045486852) internal successors, (5204), 2822 states have internal predecessors, (5204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 5204 transitions. [2022-03-15 15:10:50,557 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 5204 transitions. Word has length 234 [2022-03-15 15:10:50,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:50,557 INFO L470 AbstractCegarLoop]: Abstraction has 2823 states and 5204 transitions. [2022-03-15 15:10:50,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:50,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 5204 transitions. [2022-03-15 15:10:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:50,560 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:50,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:50,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-15 15:10:50,560 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:50,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:50,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1509353197, now seen corresponding path program 2 times [2022-03-15 15:10:50,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:50,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721518177] [2022-03-15 15:10:50,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:51,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:51,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721518177] [2022-03-15 15:10:51,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721518177] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:51,298 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:51,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:10:51,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624080650] [2022-03-15 15:10:51,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:51,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:10:51,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:51,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:10:51,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:10:51,300 INFO L87 Difference]: Start difference. First operand 2823 states and 5204 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:54,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:54,166 INFO L93 Difference]: Finished difference Result 3397 states and 6235 transitions. [2022-03-15 15:10:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:10:54,167 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:54,170 INFO L225 Difference]: With dead ends: 3397 [2022-03-15 15:10:54,170 INFO L226 Difference]: Without dead ends: 3397 [2022-03-15 15:10:54,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=576, Invalid=3980, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:10:54,171 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1449 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 4720 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 4720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:54,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 4409 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 4720 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:10:54,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-03-15 15:10:54,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 2788. [2022-03-15 15:10:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2779 states have (on average 1.849586182079885) internal successors, (5140), 2787 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 5140 transitions. [2022-03-15 15:10:54,198 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 5140 transitions. Word has length 234 [2022-03-15 15:10:54,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:54,198 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 5140 transitions. [2022-03-15 15:10:54,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 5140 transitions. [2022-03-15 15:10:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:54,201 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:54,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:54,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-15 15:10:54,201 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:54,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash -378345243, now seen corresponding path program 16 times [2022-03-15 15:10:54,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:54,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477618853] [2022-03-15 15:10:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:55,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:55,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477618853] [2022-03-15 15:10:55,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477618853] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:55,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:55,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:55,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905041733] [2022-03-15 15:10:55,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:55,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:55,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:55,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:55,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:55,128 INFO L87 Difference]: Start difference. First operand 2788 states and 5140 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:57,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:57,184 INFO L93 Difference]: Finished difference Result 2877 states and 5301 transitions. [2022-03-15 15:10:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:10:57,184 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:10:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:57,187 INFO L225 Difference]: With dead ends: 2877 [2022-03-15 15:10:57,187 INFO L226 Difference]: Without dead ends: 2868 [2022-03-15 15:10:57,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=418, Invalid=3364, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:10:57,188 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 1170 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 3423 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 3543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:57,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 3856 Invalid, 3543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3423 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:57,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2868 states. [2022-03-15 15:10:57,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2800. [2022-03-15 15:10:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2800 states, 2791 states have (on average 1.850232891436761) internal successors, (5164), 2799 states have internal predecessors, (5164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 5164 transitions. [2022-03-15 15:10:57,211 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 5164 transitions. Word has length 234 [2022-03-15 15:10:57,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:57,212 INFO L470 AbstractCegarLoop]: Abstraction has 2800 states and 5164 transitions. [2022-03-15 15:10:57,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 5164 transitions. [2022-03-15 15:10:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:10:57,214 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:57,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:57,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-15 15:10:57,214 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:10:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:57,215 INFO L85 PathProgramCache]: Analyzing trace with hash -120268879, now seen corresponding path program 17 times [2022-03-15 15:10:57,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:57,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916043475] [2022-03-15 15:10:57,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:57,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:58,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:58,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916043475] [2022-03-15 15:10:58,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916043475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:58,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:58,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:10:58,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628108885] [2022-03-15 15:10:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:58,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:10:58,283 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:58,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:10:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:58,283 INFO L87 Difference]: Start difference. First operand 2800 states and 5164 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:00,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:00,872 INFO L93 Difference]: Finished difference Result 3265 states and 6050 transitions. [2022-03-15 15:11:00,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:11:00,872 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:00,876 INFO L225 Difference]: With dead ends: 3265 [2022-03-15 15:11:00,876 INFO L226 Difference]: Without dead ends: 3247 [2022-03-15 15:11:00,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=588, Invalid=4668, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:11:00,877 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1343 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 3686 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:00,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1343 Valid, 4589 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 3686 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:00,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2022-03-15 15:11:00,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2794. [2022-03-15 15:11:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2785 states have (on average 1.8499102333931778) internal successors, (5152), 2793 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 5152 transitions. [2022-03-15 15:11:00,910 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 5152 transitions. Word has length 234 [2022-03-15 15:11:00,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:00,910 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 5152 transitions. [2022-03-15 15:11:00,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5152 transitions. [2022-03-15 15:11:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:00,912 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:00,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:00,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-15 15:11:00,913 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:00,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:00,913 INFO L85 PathProgramCache]: Analyzing trace with hash -328322809, now seen corresponding path program 18 times [2022-03-15 15:11:00,913 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:00,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442835435] [2022-03-15 15:11:00,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:00,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:01,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:01,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442835435] [2022-03-15 15:11:01,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442835435] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:01,893 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:01,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:11:01,893 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14043309] [2022-03-15 15:11:01,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:01,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:11:01,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:01,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:11:01,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:11:01,894 INFO L87 Difference]: Start difference. First operand 2794 states and 5152 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:04,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:04,662 INFO L93 Difference]: Finished difference Result 3290 states and 6098 transitions. [2022-03-15 15:11:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:11:04,662 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:04,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:04,665 INFO L225 Difference]: With dead ends: 3290 [2022-03-15 15:11:04,666 INFO L226 Difference]: Without dead ends: 3263 [2022-03-15 15:11:04,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=589, Invalid=4667, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:11:04,666 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1177 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 4436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:04,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 5237 Invalid, 4436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:11:04,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2022-03-15 15:11:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 2788. [2022-03-15 15:11:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2779 states have (on average 1.849586182079885) internal successors, (5140), 2787 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 5140 transitions. [2022-03-15 15:11:04,693 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 5140 transitions. Word has length 234 [2022-03-15 15:11:04,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:04,693 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 5140 transitions. [2022-03-15 15:11:04,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 5140 transitions. [2022-03-15 15:11:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:04,695 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:04,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:04,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-15 15:11:04,696 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:04,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:04,696 INFO L85 PathProgramCache]: Analyzing trace with hash 836088751, now seen corresponding path program 19 times [2022-03-15 15:11:04,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:04,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052662660] [2022-03-15 15:11:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:05,628 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:05,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052662660] [2022-03-15 15:11:05,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052662660] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:05,629 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:05,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:11:05,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539985639] [2022-03-15 15:11:05,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:05,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:11:05,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:05,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:11:05,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:11:05,630 INFO L87 Difference]: Start difference. First operand 2788 states and 5140 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:07,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:07,860 INFO L93 Difference]: Finished difference Result 3350 states and 6203 transitions. [2022-03-15 15:11:07,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:11:07,860 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:07,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:07,864 INFO L225 Difference]: With dead ends: 3350 [2022-03-15 15:11:07,864 INFO L226 Difference]: Without dead ends: 3314 [2022-03-15 15:11:07,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=591, Invalid=4521, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:11:07,865 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1294 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 3329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:07,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1294 Valid, 4098 Invalid, 3329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:11:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2022-03-15 15:11:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 2774. [2022-03-15 15:11:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2765 states have (on average 1.8488245931283906) internal successors, (5112), 2773 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5112 transitions. [2022-03-15 15:11:07,892 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5112 transitions. Word has length 234 [2022-03-15 15:11:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:07,892 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 5112 transitions. [2022-03-15 15:11:07,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5112 transitions. [2022-03-15 15:11:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:07,895 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:07,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:07,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-15 15:11:07,895 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:07,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2125829775, now seen corresponding path program 20 times [2022-03-15 15:11:07,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:07,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483992780] [2022-03-15 15:11:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:08,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:08,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483992780] [2022-03-15 15:11:08,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483992780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:08,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:08,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:11:08,845 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594531577] [2022-03-15 15:11:08,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:08,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:11:08,845 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:08,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:11:08,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:11:08,846 INFO L87 Difference]: Start difference. First operand 2774 states and 5112 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:11,080 INFO L93 Difference]: Finished difference Result 3213 states and 5948 transitions. [2022-03-15 15:11:11,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:11:11,080 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:11,083 INFO L225 Difference]: With dead ends: 3213 [2022-03-15 15:11:11,083 INFO L226 Difference]: Without dead ends: 3204 [2022-03-15 15:11:11,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=580, Invalid=4250, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:11:11,084 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1582 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 3834 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:11,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1582 Valid, 3834 Invalid, 3168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:11:11,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2022-03-15 15:11:11,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2780. [2022-03-15 15:11:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2771 states have (on average 1.8491519307109348) internal successors, (5124), 2779 states have internal predecessors, (5124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 5124 transitions. [2022-03-15 15:11:11,111 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 5124 transitions. Word has length 234 [2022-03-15 15:11:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:11,112 INFO L470 AbstractCegarLoop]: Abstraction has 2780 states and 5124 transitions. [2022-03-15 15:11:11,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 5124 transitions. [2022-03-15 15:11:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:11,114 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:11,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:11,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-15 15:11:11,114 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:11,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1911061157, now seen corresponding path program 21 times [2022-03-15 15:11:11,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:11,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736281367] [2022-03-15 15:11:11,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:11,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:11,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:11,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736281367] [2022-03-15 15:11:11,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736281367] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:11,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:11,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:11,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731778432] [2022-03-15 15:11:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:11,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:11,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:11,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:11,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:11,980 INFO L87 Difference]: Start difference. First operand 2780 states and 5124 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:14,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:14,060 INFO L93 Difference]: Finished difference Result 2887 states and 5319 transitions. [2022-03-15 15:11:14,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:11:14,060 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:14,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:14,063 INFO L225 Difference]: With dead ends: 2887 [2022-03-15 15:11:14,063 INFO L226 Difference]: Without dead ends: 2869 [2022-03-15 15:11:14,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=422, Invalid=3118, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:11:14,064 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1002 mSDsluCounter, 3876 mSDsCounter, 0 mSdLazyCounter, 3193 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 4133 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:14,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 4133 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3193 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:14,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-03-15 15:11:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2774. [2022-03-15 15:11:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2765 states have (on average 1.8488245931283906) internal successors, (5112), 2773 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5112 transitions. [2022-03-15 15:11:14,085 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5112 transitions. Word has length 234 [2022-03-15 15:11:14,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:14,085 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 5112 transitions. [2022-03-15 15:11:14,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5112 transitions. [2022-03-15 15:11:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:14,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:14,089 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:14,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-15 15:11:14,089 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:14,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:14,089 INFO L85 PathProgramCache]: Analyzing trace with hash -2119115087, now seen corresponding path program 22 times [2022-03-15 15:11:14,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:14,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087934490] [2022-03-15 15:11:14,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:14,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:14,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:14,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087934490] [2022-03-15 15:11:14,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087934490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:14,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:14,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:14,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987269883] [2022-03-15 15:11:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:14,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:14,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:14,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:14,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:14,984 INFO L87 Difference]: Start difference. First operand 2774 states and 5112 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:17,333 INFO L93 Difference]: Finished difference Result 2939 states and 5409 transitions. [2022-03-15 15:11:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:11:17,334 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:17,337 INFO L225 Difference]: With dead ends: 2939 [2022-03-15 15:11:17,337 INFO L226 Difference]: Without dead ends: 2912 [2022-03-15 15:11:17,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=456, Invalid=3204, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:11:17,337 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 968 mSDsluCounter, 4340 mSDsCounter, 0 mSdLazyCounter, 3706 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 4605 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:17,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [968 Valid, 4605 Invalid, 3831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3706 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:17,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-03-15 15:11:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2760. [2022-03-15 15:11:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2751 states have (on average 1.8480552526354053) internal successors, (5084), 2759 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5084 transitions. [2022-03-15 15:11:17,359 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5084 transitions. Word has length 234 [2022-03-15 15:11:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:17,359 INFO L470 AbstractCegarLoop]: Abstraction has 2760 states and 5084 transitions. [2022-03-15 15:11:17,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5084 transitions. [2022-03-15 15:11:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:17,362 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:17,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:17,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-15 15:11:17,362 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1437292111, now seen corresponding path program 23 times [2022-03-15 15:11:17,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:17,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727215636] [2022-03-15 15:11:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:17,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:18,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:18,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727215636] [2022-03-15 15:11:18,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727215636] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:18,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:18,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:11:18,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851025498] [2022-03-15 15:11:18,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:18,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:11:18,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:18,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:11:18,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:11:18,389 INFO L87 Difference]: Start difference. First operand 2760 states and 5084 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:20,658 INFO L93 Difference]: Finished difference Result 2823 states and 5193 transitions. [2022-03-15 15:11:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:11:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:20,661 INFO L225 Difference]: With dead ends: 2823 [2022-03-15 15:11:20,661 INFO L226 Difference]: Without dead ends: 2814 [2022-03-15 15:11:20,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=494, Invalid=3928, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:11:20,663 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1385 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 3410 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:20,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1385 Valid, 3927 Invalid, 3527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3410 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2022-03-15 15:11:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2760. [2022-03-15 15:11:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2751 states have (on average 1.8480552526354053) internal successors, (5084), 2759 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5084 transitions. [2022-03-15 15:11:20,695 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5084 transitions. Word has length 234 [2022-03-15 15:11:20,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:20,695 INFO L470 AbstractCegarLoop]: Abstraction has 2760 states and 5084 transitions. [2022-03-15 15:11:20,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5084 transitions. [2022-03-15 15:11:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:20,698 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:20,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:20,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-15 15:11:20,699 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:20,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash 2088290299, now seen corresponding path program 24 times [2022-03-15 15:11:20,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:20,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623206635] [2022-03-15 15:11:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:21,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:21,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623206635] [2022-03-15 15:11:21,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623206635] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:21,539 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:21,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:11:21,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645187437] [2022-03-15 15:11:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:21,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:11:21,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:21,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:11:21,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:11:21,541 INFO L87 Difference]: Start difference. First operand 2760 states and 5084 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:23,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:23,374 INFO L93 Difference]: Finished difference Result 2839 states and 5224 transitions. [2022-03-15 15:11:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:11:23,375 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:23,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:23,378 INFO L225 Difference]: With dead ends: 2839 [2022-03-15 15:11:23,378 INFO L226 Difference]: Without dead ends: 2830 [2022-03-15 15:11:23,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=432, Invalid=3350, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:11:23,378 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1236 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 2706 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:23,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1236 Valid, 3242 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2706 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:11:23,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2022-03-15 15:11:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2760. [2022-03-15 15:11:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2751 states have (on average 1.8480552526354053) internal successors, (5084), 2759 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5084 transitions. [2022-03-15 15:11:23,400 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5084 transitions. Word has length 234 [2022-03-15 15:11:23,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:23,401 INFO L470 AbstractCegarLoop]: Abstraction has 2760 states and 5084 transitions. [2022-03-15 15:11:23,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5084 transitions. [2022-03-15 15:11:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:23,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:23,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:23,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-15 15:11:23,404 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:23,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1913858801, now seen corresponding path program 25 times [2022-03-15 15:11:23,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:23,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326477946] [2022-03-15 15:11:23,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:23,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:24,345 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:24,345 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326477946] [2022-03-15 15:11:24,345 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326477946] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:24,345 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:24,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:11:24,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492995077] [2022-03-15 15:11:24,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:24,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:11:24,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:24,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:11:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:11:24,346 INFO L87 Difference]: Start difference. First operand 2760 states and 5084 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:27,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:27,331 INFO L93 Difference]: Finished difference Result 3200 states and 5917 transitions. [2022-03-15 15:11:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:11:27,332 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:27,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:27,335 INFO L225 Difference]: With dead ends: 3200 [2022-03-15 15:11:27,335 INFO L226 Difference]: Without dead ends: 3182 [2022-03-15 15:11:27,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=603, Invalid=4509, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:11:27,335 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 1346 mSDsluCounter, 5258 mSDsCounter, 0 mSdLazyCounter, 4572 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 5565 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 4572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:27,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1346 Valid, 5565 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 4572 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:11:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3182 states. [2022-03-15 15:11:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3182 to 2743. [2022-03-15 15:11:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2734 states have (on average 1.846013167520117) internal successors, (5047), 2742 states have internal predecessors, (5047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 5047 transitions. [2022-03-15 15:11:27,356 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 5047 transitions. Word has length 234 [2022-03-15 15:11:27,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:27,356 INFO L470 AbstractCegarLoop]: Abstraction has 2743 states and 5047 transitions. [2022-03-15 15:11:27,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 5047 transitions. [2022-03-15 15:11:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:27,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:27,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:27,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-15 15:11:27,359 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:27,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2105062579, now seen corresponding path program 3 times [2022-03-15 15:11:27,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:27,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901536674] [2022-03-15 15:11:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:28,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:28,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901536674] [2022-03-15 15:11:28,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901536674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:28,544 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:28,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:28,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950865922] [2022-03-15 15:11:28,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:28,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:28,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:28,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:28,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:28,547 INFO L87 Difference]: Start difference. First operand 2743 states and 5047 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:31,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:31,661 INFO L93 Difference]: Finished difference Result 3245 states and 5948 transitions. [2022-03-15 15:11:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:11:31,661 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:31,665 INFO L225 Difference]: With dead ends: 3245 [2022-03-15 15:11:31,665 INFO L226 Difference]: Without dead ends: 3245 [2022-03-15 15:11:31,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=513, Invalid=3777, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:11:31,665 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1282 mSDsluCounter, 3854 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 4102 SdHoareTripleChecker+Invalid, 4949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:31,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1282 Valid, 4102 Invalid, 4949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:11:31,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2022-03-15 15:11:31,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 2799. [2022-03-15 15:11:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2790 states have (on average 1.8501792114695341) internal successors, (5162), 2798 states have internal predecessors, (5162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 5162 transitions. [2022-03-15 15:11:31,691 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 5162 transitions. Word has length 234 [2022-03-15 15:11:31,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:31,691 INFO L470 AbstractCegarLoop]: Abstraction has 2799 states and 5162 transitions. [2022-03-15 15:11:31,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 5162 transitions. [2022-03-15 15:11:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:31,693 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:31,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:31,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-15 15:11:31,694 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:31,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:31,694 INFO L85 PathProgramCache]: Analyzing trace with hash -339654455, now seen corresponding path program 26 times [2022-03-15 15:11:31,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:31,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691063370] [2022-03-15 15:11:31,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:31,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:32,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:32,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691063370] [2022-03-15 15:11:32,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691063370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:32,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:32,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:32,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692864164] [2022-03-15 15:11:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:32,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:32,365 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:32,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:32,366 INFO L87 Difference]: Start difference. First operand 2799 states and 5162 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:34,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:34,719 INFO L93 Difference]: Finished difference Result 2930 states and 5389 transitions. [2022-03-15 15:11:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:11:34,720 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:34,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:34,723 INFO L225 Difference]: With dead ends: 2930 [2022-03-15 15:11:34,724 INFO L226 Difference]: Without dead ends: 2894 [2022-03-15 15:11:34,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=490, Invalid=3670, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:11:34,724 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 1268 mSDsluCounter, 4272 mSDsCounter, 0 mSdLazyCounter, 3944 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4537 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:34,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1268 Valid, 4537 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 3944 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:11:34,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2022-03-15 15:11:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2662. [2022-03-15 15:11:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2654 states have (on average 1.8417483044461191) internal successors, (4888), 2661 states have internal predecessors, (4888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 4888 transitions. [2022-03-15 15:11:34,751 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 4888 transitions. Word has length 234 [2022-03-15 15:11:34,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:34,751 INFO L470 AbstractCegarLoop]: Abstraction has 2662 states and 4888 transitions. [2022-03-15 15:11:34,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 4888 transitions. [2022-03-15 15:11:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:34,753 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:34,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:34,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-15 15:11:34,754 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:34,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash 777206931, now seen corresponding path program 27 times [2022-03-15 15:11:34,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:34,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739265248] [2022-03-15 15:11:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:35,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:35,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739265248] [2022-03-15 15:11:35,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739265248] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:35,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:35,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:35,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830200908] [2022-03-15 15:11:35,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:35,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:35,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:35,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:35,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:35,509 INFO L87 Difference]: Start difference. First operand 2662 states and 4888 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:37,631 INFO L93 Difference]: Finished difference Result 2882 states and 5302 transitions. [2022-03-15 15:11:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:11:37,632 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:37,634 INFO L225 Difference]: With dead ends: 2882 [2022-03-15 15:11:37,635 INFO L226 Difference]: Without dead ends: 2846 [2022-03-15 15:11:37,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=435, Invalid=3347, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:11:37,635 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 1005 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 3568 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:37,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1005 Valid, 4385 Invalid, 3685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3568 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:37,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-03-15 15:11:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2664. [2022-03-15 15:11:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 2656 states have (on average 1.841867469879518) internal successors, (4892), 2663 states have internal predecessors, (4892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 4892 transitions. [2022-03-15 15:11:37,658 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 4892 transitions. Word has length 234 [2022-03-15 15:11:37,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:37,658 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 4892 transitions. [2022-03-15 15:11:37,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 4892 transitions. [2022-03-15 15:11:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:37,660 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:37,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:37,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-15 15:11:37,660 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:37,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:37,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1202730121, now seen corresponding path program 28 times [2022-03-15 15:11:37,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:37,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117099120] [2022-03-15 15:11:37,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:37,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:38,337 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:38,337 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117099120] [2022-03-15 15:11:38,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117099120] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:38,337 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:38,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:38,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29408291] [2022-03-15 15:11:38,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:38,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:38,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:38,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:38,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:38,338 INFO L87 Difference]: Start difference. First operand 2664 states and 4892 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:40,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:40,449 INFO L93 Difference]: Finished difference Result 2848 states and 5236 transitions. [2022-03-15 15:11:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:11:40,450 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:40,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:40,453 INFO L225 Difference]: With dead ends: 2848 [2022-03-15 15:11:40,453 INFO L226 Difference]: Without dead ends: 2821 [2022-03-15 15:11:40,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=422, Invalid=3238, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:11:40,453 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 1054 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 3520 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 4171 SdHoareTripleChecker+Invalid, 3623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 3520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:40,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1054 Valid, 4171 Invalid, 3623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 3520 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:40,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2022-03-15 15:11:40,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2666. [2022-03-15 15:11:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 2658 states have (on average 1.8419864559819412) internal successors, (4896), 2665 states have internal predecessors, (4896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 4896 transitions. [2022-03-15 15:11:40,476 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 4896 transitions. Word has length 234 [2022-03-15 15:11:40,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:40,476 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 4896 transitions. [2022-03-15 15:11:40,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 4896 transitions. [2022-03-15 15:11:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:40,478 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:40,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:40,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-15 15:11:40,478 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:40,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:40,479 INFO L85 PathProgramCache]: Analyzing trace with hash 976030409, now seen corresponding path program 29 times [2022-03-15 15:11:40,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:40,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645178154] [2022-03-15 15:11:40,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:40,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:41,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:41,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645178154] [2022-03-15 15:11:41,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645178154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:41,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:41,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:41,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643400080] [2022-03-15 15:11:41,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:41,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:41,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:41,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:41,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:41,207 INFO L87 Difference]: Start difference. First operand 2666 states and 4896 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:43,375 INFO L93 Difference]: Finished difference Result 2766 states and 5083 transitions. [2022-03-15 15:11:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 15:11:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:43,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:43,378 INFO L225 Difference]: With dead ends: 2766 [2022-03-15 15:11:43,379 INFO L226 Difference]: Without dead ends: 2757 [2022-03-15 15:11:43,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=2909, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 15:11:43,379 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1066 mSDsluCounter, 4462 mSDsCounter, 0 mSdLazyCounter, 3923 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 4714 SdHoareTripleChecker+Invalid, 4001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:43,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1066 Valid, 4714 Invalid, 4001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3923 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:43,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-03-15 15:11:43,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2668. [2022-03-15 15:11:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 2660 states have (on average 1.8421052631578947) internal successors, (4900), 2667 states have internal predecessors, (4900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 4900 transitions. [2022-03-15 15:11:43,406 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 4900 transitions. Word has length 234 [2022-03-15 15:11:43,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:43,406 INFO L470 AbstractCegarLoop]: Abstraction has 2668 states and 4900 transitions. [2022-03-15 15:11:43,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 4900 transitions. [2022-03-15 15:11:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:43,408 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:43,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:43,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-15 15:11:43,408 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:43,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:43,409 INFO L85 PathProgramCache]: Analyzing trace with hash 994464435, now seen corresponding path program 30 times [2022-03-15 15:11:43,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:43,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560322775] [2022-03-15 15:11:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:43,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:44,149 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:44,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560322775] [2022-03-15 15:11:44,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560322775] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:44,149 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:44,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:11:44,149 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019897633] [2022-03-15 15:11:44,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:44,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:11:44,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:44,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:11:44,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:11:44,150 INFO L87 Difference]: Start difference. First operand 2668 states and 4900 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:46,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:46,237 INFO L93 Difference]: Finished difference Result 2792 states and 5133 transitions. [2022-03-15 15:11:46,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:11:46,237 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:46,240 INFO L225 Difference]: With dead ends: 2792 [2022-03-15 15:11:46,240 INFO L226 Difference]: Without dead ends: 2774 [2022-03-15 15:11:46,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=414, Invalid=3126, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:11:46,240 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 1153 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 4227 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:46,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 4227 Invalid, 3558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:46,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-03-15 15:11:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2632. [2022-03-15 15:11:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 2624 states have (on average 1.8399390243902438) internal successors, (4828), 2631 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4828 transitions. [2022-03-15 15:11:46,260 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4828 transitions. Word has length 234 [2022-03-15 15:11:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:46,260 INFO L470 AbstractCegarLoop]: Abstraction has 2632 states and 4828 transitions. [2022-03-15 15:11:46,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4828 transitions. [2022-03-15 15:11:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:46,262 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:46,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:46,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-15 15:11:46,262 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:46,263 INFO L85 PathProgramCache]: Analyzing trace with hash -168903683, now seen corresponding path program 31 times [2022-03-15 15:11:46,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:46,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783954812] [2022-03-15 15:11:46,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:46,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:47,301 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:47,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783954812] [2022-03-15 15:11:47,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783954812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:47,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:47,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:11:47,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698121931] [2022-03-15 15:11:47,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:47,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:11:47,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:47,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:11:47,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:11:47,302 INFO L87 Difference]: Start difference. First operand 2632 states and 4828 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:50,175 INFO L93 Difference]: Finished difference Result 3153 states and 5831 transitions. [2022-03-15 15:11:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:11:50,175 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:50,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:50,179 INFO L225 Difference]: With dead ends: 3153 [2022-03-15 15:11:50,179 INFO L226 Difference]: Without dead ends: 3144 [2022-03-15 15:11:50,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=531, Invalid=4161, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:11:50,180 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 1206 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:50,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1206 Valid, 5562 Invalid, 4090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:11:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2022-03-15 15:11:50,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 2639. [2022-03-15 15:11:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2639 states, 2631 states have (on average 1.8403648802736603) internal successors, (4842), 2638 states have internal predecessors, (4842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 4842 transitions. [2022-03-15 15:11:50,208 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 4842 transitions. Word has length 234 [2022-03-15 15:11:50,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:50,208 INFO L470 AbstractCegarLoop]: Abstraction has 2639 states and 4842 transitions. [2022-03-15 15:11:50,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 4842 transitions. [2022-03-15 15:11:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:50,210 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:50,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:50,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-15 15:11:50,211 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:50,211 INFO L85 PathProgramCache]: Analyzing trace with hash 89172681, now seen corresponding path program 32 times [2022-03-15 15:11:50,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:50,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98989008] [2022-03-15 15:11:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:50,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:51,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:51,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98989008] [2022-03-15 15:11:51,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98989008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:51,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:51,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:11:51,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230154725] [2022-03-15 15:11:51,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:51,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:11:51,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:51,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:11:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:11:51,149 INFO L87 Difference]: Start difference. First operand 2639 states and 4842 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:53,329 INFO L93 Difference]: Finished difference Result 3152 states and 5827 transitions. [2022-03-15 15:11:53,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:11:53,330 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:53,333 INFO L225 Difference]: With dead ends: 3152 [2022-03-15 15:11:53,333 INFO L226 Difference]: Without dead ends: 3134 [2022-03-15 15:11:53,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=542, Invalid=4288, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:11:53,334 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1558 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:53,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1558 Valid, 4277 Invalid, 3193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:11:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2022-03-15 15:11:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 2620. [2022-03-15 15:11:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 2612 states have (on average 1.8392036753445635) internal successors, (4804), 2619 states have internal predecessors, (4804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 4804 transitions. [2022-03-15 15:11:53,356 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 4804 transitions. Word has length 234 [2022-03-15 15:11:53,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:53,356 INFO L470 AbstractCegarLoop]: Abstraction has 2620 states and 4804 transitions. [2022-03-15 15:11:53,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 4804 transitions. [2022-03-15 15:11:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:53,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:53,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:53,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-15 15:11:53,359 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:53,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:53,359 INFO L85 PathProgramCache]: Analyzing trace with hash -118881249, now seen corresponding path program 33 times [2022-03-15 15:11:53,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:53,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730774835] [2022-03-15 15:11:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:53,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:54,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:54,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730774835] [2022-03-15 15:11:54,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730774835] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:54,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:54,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:11:54,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065294896] [2022-03-15 15:11:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:54,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:11:54,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:54,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:11:54,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:11:54,460 INFO L87 Difference]: Start difference. First operand 2620 states and 4804 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:57,714 INFO L93 Difference]: Finished difference Result 2868 states and 5280 transitions. [2022-03-15 15:11:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:11:57,714 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:11:57,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:57,717 INFO L225 Difference]: With dead ends: 2868 [2022-03-15 15:11:57,717 INFO L226 Difference]: Without dead ends: 2841 [2022-03-15 15:11:57,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=471, Invalid=3951, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:11:57,718 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 1212 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 4334 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:57,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1212 Valid, 5223 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 4334 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:11:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2022-03-15 15:11:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2623. [2022-03-15 15:11:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2623 states, 2615 states have (on average 1.8393881453154877) internal successors, (4810), 2622 states have internal predecessors, (4810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 4810 transitions. [2022-03-15 15:11:57,740 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 4810 transitions. Word has length 234 [2022-03-15 15:11:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:57,741 INFO L470 AbstractCegarLoop]: Abstraction has 2623 states and 4810 transitions. [2022-03-15 15:11:57,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 4810 transitions. [2022-03-15 15:11:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:11:57,743 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:57,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:57,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-15 15:11:57,743 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:11:57,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1045530311, now seen corresponding path program 34 times [2022-03-15 15:11:57,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:57,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077647986] [2022-03-15 15:11:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:57,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:58,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:58,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077647986] [2022-03-15 15:11:58,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077647986] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:58,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:58,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:11:58,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815846155] [2022-03-15 15:11:58,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:58,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:11:58,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:11:58,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:11:58,645 INFO L87 Difference]: Start difference. First operand 2623 states and 4810 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:00,796 INFO L93 Difference]: Finished difference Result 3198 states and 5913 transitions. [2022-03-15 15:12:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:12:00,797 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:12:00,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:00,800 INFO L225 Difference]: With dead ends: 3198 [2022-03-15 15:12:00,800 INFO L226 Difference]: Without dead ends: 3162 [2022-03-15 15:12:00,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=528, Invalid=4302, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:12:00,801 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1317 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 3211 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 4469 SdHoareTripleChecker+Invalid, 3367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:00,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1317 Valid, 4469 Invalid, 3367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3211 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:12:00,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2022-03-15 15:12:00,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 2604. [2022-03-15 15:12:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2604 states, 2596 states have (on average 1.838597842835131) internal successors, (4773), 2603 states have internal predecessors, (4773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 4773 transitions. [2022-03-15 15:12:00,846 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 4773 transitions. Word has length 234 [2022-03-15 15:12:00,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:00,846 INFO L470 AbstractCegarLoop]: Abstraction has 2604 states and 4773 transitions. [2022-03-15 15:12:00,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 4773 transitions. [2022-03-15 15:12:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:12:00,848 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:00,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:00,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-15 15:12:00,848 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:00,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:00,849 INFO L85 PathProgramCache]: Analyzing trace with hash -480381333, now seen corresponding path program 35 times [2022-03-15 15:12:00,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:00,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288171871] [2022-03-15 15:12:00,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:00,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:01,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:01,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:01,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288171871] [2022-03-15 15:12:01,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288171871] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:01,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:01,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:12:01,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568703866] [2022-03-15 15:12:01,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:01,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:12:01,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:12:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:12:01,955 INFO L87 Difference]: Start difference. First operand 2604 states and 4773 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:04,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:04,895 INFO L93 Difference]: Finished difference Result 2739 states and 5033 transitions. [2022-03-15 15:12:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:12:04,895 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:12:04,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:04,898 INFO L225 Difference]: With dead ends: 2739 [2022-03-15 15:12:04,898 INFO L226 Difference]: Without dead ends: 2712 [2022-03-15 15:12:04,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:12:04,899 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1177 mSDsluCounter, 4037 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 4288 SdHoareTripleChecker+Invalid, 3946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:04,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 4288 Invalid, 3946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 3804 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:04,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-03-15 15:12:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2464. [2022-03-15 15:12:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-15 15:12:04,919 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-15 15:12:04,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:04,919 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-15 15:12:04,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-15 15:12:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:12:04,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:04,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:04,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-15 15:12:04,932 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:04,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:04,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1295305163, now seen corresponding path program 4 times [2022-03-15 15:12:04,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:04,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831058951] [2022-03-15 15:12:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:05,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:05,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831058951] [2022-03-15 15:12:05,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831058951] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:05,698 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:05,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:12:05,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238537959] [2022-03-15 15:12:05,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:05,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:12:05,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:05,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:12:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:12:05,699 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:07,796 INFO L93 Difference]: Finished difference Result 2857 states and 5207 transitions. [2022-03-15 15:12:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-15 15:12:07,796 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:12:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:07,800 INFO L225 Difference]: With dead ends: 2857 [2022-03-15 15:12:07,800 INFO L226 Difference]: Without dead ends: 2857 [2022-03-15 15:12:07,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=409, Invalid=2561, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 15:12:07,800 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1304 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 3967 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:07,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1304 Valid, 3967 Invalid, 3548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:12:07,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-03-15 15:12:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 2464. [2022-03-15 15:12:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-15 15:12:07,826 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-15 15:12:07,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:07,826 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-15 15:12:07,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-15 15:12:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:12:07,828 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:07,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:07,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-15 15:12:07,829 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:07,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:07,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2110312215, now seen corresponding path program 5 times [2022-03-15 15:12:07,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:07,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935860215] [2022-03-15 15:12:07,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:07,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:08,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:08,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935860215] [2022-03-15 15:12:08,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935860215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:08,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:08,640 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:12:08,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968723127] [2022-03-15 15:12:08,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:08,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:12:08,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:08,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:12:08,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:12:08,641 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:11,000 INFO L93 Difference]: Finished difference Result 2921 states and 5291 transitions. [2022-03-15 15:12:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 15:12:11,000 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:12:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:11,003 INFO L225 Difference]: With dead ends: 2921 [2022-03-15 15:12:11,003 INFO L226 Difference]: Without dead ends: 2921 [2022-03-15 15:12:11,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=432, Invalid=2760, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 15:12:11,004 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1012 mSDsluCounter, 4140 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:11,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 4411 Invalid, 4054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-03-15 15:12:11,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2464. [2022-03-15 15:12:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-15 15:12:11,025 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-15 15:12:11,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:11,025 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-15 15:12:11,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-15 15:12:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:12:11,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:11,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:11,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-15 15:12:11,027 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:11,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:11,027 INFO L85 PathProgramCache]: Analyzing trace with hash 365245513, now seen corresponding path program 6 times [2022-03-15 15:12:11,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:11,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742526377] [2022-03-15 15:12:11,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:11,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:11,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742526377] [2022-03-15 15:12:11,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742526377] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:11,913 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:11,913 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:12:11,914 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554957908] [2022-03-15 15:12:11,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:11,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:12:11,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:11,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:12:11,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:12:11,914 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:14,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:14,493 INFO L93 Difference]: Finished difference Result 3070 states and 5592 transitions. [2022-03-15 15:12:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:12:14,494 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:12:14,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:14,497 INFO L225 Difference]: With dead ends: 3070 [2022-03-15 15:12:14,497 INFO L226 Difference]: Without dead ends: 3070 [2022-03-15 15:12:14,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=444, Invalid=3338, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:12:14,498 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1244 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 3825 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 4103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 3825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:14,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 4446 Invalid, 4103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 3825 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:14,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2022-03-15 15:12:14,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 2464. [2022-03-15 15:12:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-15 15:12:14,520 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-15 15:12:14,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:14,520 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-15 15:12:14,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:14,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-15 15:12:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-15 15:12:14,522 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:14,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:14,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-15 15:12:14,522 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:14,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:14,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2017854201, now seen corresponding path program 7 times [2022-03-15 15:12:14,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:14,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369099892] [2022-03-15 15:12:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:15,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:15,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369099892] [2022-03-15 15:12:15,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369099892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:15,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:15,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:12:15,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073056340] [2022-03-15 15:12:15,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:15,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:12:15,278 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:15,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:12:15,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:12:15,279 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:17,736 INFO L93 Difference]: Finished difference Result 2888 states and 5273 transitions. [2022-03-15 15:12:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 15:12:17,737 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-03-15 15:12:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:17,740 INFO L225 Difference]: With dead ends: 2888 [2022-03-15 15:12:17,740 INFO L226 Difference]: Without dead ends: 2888 [2022-03-15 15:12:17,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=423, Invalid=2883, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 15:12:17,743 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1276 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4159 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 4433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 4159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:17,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 4254 Invalid, 4433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 4159 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2022-03-15 15:12:17,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2379. [2022-03-15 15:12:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2372 states have (on average 1.8351602023608768) internal successors, (4353), 2378 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 4353 transitions. [2022-03-15 15:12:17,770 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 4353 transitions. Word has length 234 [2022-03-15 15:12:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:17,770 INFO L470 AbstractCegarLoop]: Abstraction has 2379 states and 4353 transitions. [2022-03-15 15:12:17,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 4353 transitions. [2022-03-15 15:12:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:17,773 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:17,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:17,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-15 15:12:17,773 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:17,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:17,773 INFO L85 PathProgramCache]: Analyzing trace with hash 882402727, now seen corresponding path program 1 times [2022-03-15 15:12:17,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:17,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760412784] [2022-03-15 15:12:17,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:18,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:18,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760412784] [2022-03-15 15:12:18,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760412784] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:18,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:18,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:12:18,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561080690] [2022-03-15 15:12:18,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:18,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:12:18,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:18,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:12:18,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:12:18,584 INFO L87 Difference]: Start difference. First operand 2379 states and 4353 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:21,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:21,600 INFO L93 Difference]: Finished difference Result 3243 states and 5954 transitions. [2022-03-15 15:12:21,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:12:21,600 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:21,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:21,604 INFO L225 Difference]: With dead ends: 3243 [2022-03-15 15:12:21,604 INFO L226 Difference]: Without dead ends: 3243 [2022-03-15 15:12:21,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=596, Invalid=4374, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:12:21,605 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 1579 mSDsluCounter, 4850 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:21,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1579 Valid, 5130 Invalid, 5420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 5033 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:12:21,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2022-03-15 15:12:21,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2617. [2022-03-15 15:12:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2610 states have (on average 1.850191570881226) internal successors, (4829), 2616 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 4829 transitions. [2022-03-15 15:12:21,628 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 4829 transitions. Word has length 239 [2022-03-15 15:12:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:21,628 INFO L470 AbstractCegarLoop]: Abstraction has 2617 states and 4829 transitions. [2022-03-15 15:12:21,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 4829 transitions. [2022-03-15 15:12:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:21,630 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:21,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:21,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-15 15:12:21,631 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1212183733, now seen corresponding path program 2 times [2022-03-15 15:12:21,631 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:21,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685132902] [2022-03-15 15:12:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:22,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:22,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685132902] [2022-03-15 15:12:22,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685132902] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:22,346 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:22,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:12:22,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560953275] [2022-03-15 15:12:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:22,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:12:22,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:12:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:12:22,347 INFO L87 Difference]: Start difference. First operand 2617 states and 4829 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:24,790 INFO L93 Difference]: Finished difference Result 3152 states and 5797 transitions. [2022-03-15 15:12:24,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:12:24,791 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:24,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:24,793 INFO L225 Difference]: With dead ends: 3152 [2022-03-15 15:12:24,794 INFO L226 Difference]: Without dead ends: 3152 [2022-03-15 15:12:24,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=537, Invalid=3753, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:12:24,794 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1273 mSDsluCounter, 3700 mSDsCounter, 0 mSdLazyCounter, 3845 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 3948 SdHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 3845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:24,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1273 Valid, 3948 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 3845 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-03-15 15:12:24,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2615. [2022-03-15 15:12:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2608 states have (on average 1.8500766871165644) internal successors, (4825), 2614 states have internal predecessors, (4825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 4825 transitions. [2022-03-15 15:12:24,815 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 4825 transitions. Word has length 239 [2022-03-15 15:12:24,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:24,816 INFO L470 AbstractCegarLoop]: Abstraction has 2615 states and 4825 transitions. [2022-03-15 15:12:24,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 4825 transitions. [2022-03-15 15:12:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:24,818 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:24,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:24,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-15 15:12:24,818 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:24,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:24,818 INFO L85 PathProgramCache]: Analyzing trace with hash -250584729, now seen corresponding path program 3 times [2022-03-15 15:12:24,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:24,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790451014] [2022-03-15 15:12:24,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:24,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:25,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:25,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790451014] [2022-03-15 15:12:25,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790451014] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:25,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:25,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:12:25,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262794192] [2022-03-15 15:12:25,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:25,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:12:25,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:25,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:12:25,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:12:25,501 INFO L87 Difference]: Start difference. First operand 2615 states and 4825 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:29,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:29,085 INFO L93 Difference]: Finished difference Result 3140 states and 5768 transitions. [2022-03-15 15:12:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:12:29,085 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:29,088 INFO L225 Difference]: With dead ends: 3140 [2022-03-15 15:12:29,088 INFO L226 Difference]: Without dead ends: 3140 [2022-03-15 15:12:29,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=731, Invalid=5275, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:12:29,089 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 1071 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 6538 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 5538 SdHoareTripleChecker+Invalid, 6893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 6538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:29,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 5538 Invalid, 6893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 6538 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-03-15 15:12:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3140 states. [2022-03-15 15:12:29,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3140 to 2613. [2022-03-15 15:12:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2606 states have (on average 1.8499616270145818) internal successors, (4821), 2612 states have internal predecessors, (4821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4821 transitions. [2022-03-15 15:12:29,131 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4821 transitions. Word has length 239 [2022-03-15 15:12:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:29,131 INFO L470 AbstractCegarLoop]: Abstraction has 2613 states and 4821 transitions. [2022-03-15 15:12:29,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4821 transitions. [2022-03-15 15:12:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:29,133 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:29,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:29,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-15 15:12:29,133 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:29,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:29,134 INFO L85 PathProgramCache]: Analyzing trace with hash 141617631, now seen corresponding path program 4 times [2022-03-15 15:12:29,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:29,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064109411] [2022-03-15 15:12:29,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:29,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:30,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:30,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064109411] [2022-03-15 15:12:30,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064109411] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:30,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:30,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:12:30,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337154850] [2022-03-15 15:12:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:30,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:12:30,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:12:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:12:30,073 INFO L87 Difference]: Start difference. First operand 2613 states and 4821 transitions. Second operand has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:33,876 INFO L93 Difference]: Finished difference Result 3645 states and 6649 transitions. [2022-03-15 15:12:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:12:33,877 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:33,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:33,880 INFO L225 Difference]: With dead ends: 3645 [2022-03-15 15:12:33,880 INFO L226 Difference]: Without dead ends: 3645 [2022-03-15 15:12:33,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=805, Invalid=4895, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:12:33,880 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1689 mSDsluCounter, 5258 mSDsCounter, 0 mSdLazyCounter, 4993 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 5478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 4993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:33,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 5528 Invalid, 5478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 4993 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:12:33,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3645 states. [2022-03-15 15:12:33,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3645 to 2656. [2022-03-15 15:12:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 2649 states have (on average 1.8523971309928275) internal successors, (4907), 2655 states have internal predecessors, (4907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 4907 transitions. [2022-03-15 15:12:33,902 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 4907 transitions. Word has length 239 [2022-03-15 15:12:33,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:33,903 INFO L470 AbstractCegarLoop]: Abstraction has 2656 states and 4907 transitions. [2022-03-15 15:12:33,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 4907 transitions. [2022-03-15 15:12:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:33,905 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:33,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:33,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-15 15:12:33,905 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:33,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1983651895, now seen corresponding path program 5 times [2022-03-15 15:12:33,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:33,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747113444] [2022-03-15 15:12:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:34,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:34,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747113444] [2022-03-15 15:12:34,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747113444] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:34,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:34,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:12:34,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148601699] [2022-03-15 15:12:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:34,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:12:34,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:12:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:12:34,557 INFO L87 Difference]: Start difference. First operand 2656 states and 4907 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:36,996 INFO L93 Difference]: Finished difference Result 3164 states and 5821 transitions. [2022-03-15 15:12:36,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:12:36,997 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:36,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:37,000 INFO L225 Difference]: With dead ends: 3164 [2022-03-15 15:12:37,000 INFO L226 Difference]: Without dead ends: 3164 [2022-03-15 15:12:37,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=549, Invalid=3611, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:12:37,001 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 1543 mSDsluCounter, 3639 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 3885 SdHoareTripleChecker+Invalid, 4160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:37,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1543 Valid, 3885 Invalid, 4160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2022-03-15 15:12:37,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 2658. [2022-03-15 15:12:37,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 2651 states have (on average 1.8525084873632591) internal successors, (4911), 2657 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 4911 transitions. [2022-03-15 15:12:37,024 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 4911 transitions. Word has length 239 [2022-03-15 15:12:37,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:37,024 INFO L470 AbstractCegarLoop]: Abstraction has 2658 states and 4911 transitions. [2022-03-15 15:12:37,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 4911 transitions. [2022-03-15 15:12:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:37,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:37,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:37,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-15 15:12:37,026 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash -67005067, now seen corresponding path program 6 times [2022-03-15 15:12:37,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:37,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050896559] [2022-03-15 15:12:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:37,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:37,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050896559] [2022-03-15 15:12:37,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050896559] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:37,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:37,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:12:37,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915754173] [2022-03-15 15:12:37,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:37,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:12:37,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:37,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:12:37,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:12:37,817 INFO L87 Difference]: Start difference. First operand 2658 states and 4911 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:40,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:40,248 INFO L93 Difference]: Finished difference Result 3193 states and 5879 transitions. [2022-03-15 15:12:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:12:40,249 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:40,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:40,252 INFO L225 Difference]: With dead ends: 3193 [2022-03-15 15:12:40,252 INFO L226 Difference]: Without dead ends: 3193 [2022-03-15 15:12:40,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=639, Invalid=4763, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:12:40,252 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 1725 mSDsluCounter, 2884 mSDsCounter, 0 mSdLazyCounter, 3332 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 3748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 3332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:40,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 3120 Invalid, 3748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 3332 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:12:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-15 15:12:40,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2640. [2022-03-15 15:12:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2640 states, 2633 states have (on average 1.8515001898974555) internal successors, (4875), 2639 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 4875 transitions. [2022-03-15 15:12:40,278 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 4875 transitions. Word has length 239 [2022-03-15 15:12:40,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:40,279 INFO L470 AbstractCegarLoop]: Abstraction has 2640 states and 4875 transitions. [2022-03-15 15:12:40,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 4875 transitions. [2022-03-15 15:12:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:40,281 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:40,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:40,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-15 15:12:40,281 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:40,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash -138861879, now seen corresponding path program 7 times [2022-03-15 15:12:40,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:40,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724259805] [2022-03-15 15:12:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:40,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:40,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:40,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724259805] [2022-03-15 15:12:40,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724259805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:40,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:40,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:12:40,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199646829] [2022-03-15 15:12:40,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:40,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:12:40,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:40,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:12:40,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:12:40,999 INFO L87 Difference]: Start difference. First operand 2640 states and 4875 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:44,528 INFO L93 Difference]: Finished difference Result 3302 states and 6067 transitions. [2022-03-15 15:12:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:12:44,529 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:44,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:44,532 INFO L225 Difference]: With dead ends: 3302 [2022-03-15 15:12:44,532 INFO L226 Difference]: Without dead ends: 3302 [2022-03-15 15:12:44,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2180 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1083, Invalid=6399, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 15:12:44,533 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 1564 mSDsluCounter, 4837 mSDsCounter, 0 mSdLazyCounter, 4993 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 5147 SdHoareTripleChecker+Invalid, 5467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 4993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:44,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1564 Valid, 5147 Invalid, 5467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 4993 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:12:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2022-03-15 15:12:44,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 2613. [2022-03-15 15:12:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2606 states have (on average 1.8499616270145818) internal successors, (4821), 2612 states have internal predecessors, (4821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4821 transitions. [2022-03-15 15:12:44,569 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4821 transitions. Word has length 239 [2022-03-15 15:12:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:44,569 INFO L470 AbstractCegarLoop]: Abstraction has 2613 states and 4821 transitions. [2022-03-15 15:12:44,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4821 transitions. [2022-03-15 15:12:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:44,572 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:44,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:44,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-15 15:12:44,572 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:44,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:44,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1232267889, now seen corresponding path program 8 times [2022-03-15 15:12:44,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:44,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990360948] [2022-03-15 15:12:44,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:44,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:45,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:45,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990360948] [2022-03-15 15:12:45,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990360948] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:45,529 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:45,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:12:45,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299221643] [2022-03-15 15:12:45,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:45,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:12:45,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:45,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:12:45,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:12:45,530 INFO L87 Difference]: Start difference. First operand 2613 states and 4821 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:48,111 INFO L93 Difference]: Finished difference Result 3180 states and 5833 transitions. [2022-03-15 15:12:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:12:48,111 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:48,115 INFO L225 Difference]: With dead ends: 3180 [2022-03-15 15:12:48,115 INFO L226 Difference]: Without dead ends: 3180 [2022-03-15 15:12:48,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=532, Invalid=3890, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:12:48,116 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1161 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 4046 SdHoareTripleChecker+Invalid, 4471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:48,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1161 Valid, 4046 Invalid, 4471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 4188 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:48,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3180 states. [2022-03-15 15:12:48,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3180 to 2653. [2022-03-15 15:12:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2646 states have (on average 1.8522297808012094) internal successors, (4901), 2652 states have internal predecessors, (4901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 4901 transitions. [2022-03-15 15:12:48,137 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 4901 transitions. Word has length 239 [2022-03-15 15:12:48,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:48,137 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 4901 transitions. [2022-03-15 15:12:48,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 4901 transitions. [2022-03-15 15:12:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:48,139 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:48,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:48,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-15 15:12:48,140 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:48,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:48,140 INFO L85 PathProgramCache]: Analyzing trace with hash -902486883, now seen corresponding path program 9 times [2022-03-15 15:12:48,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:48,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112230996] [2022-03-15 15:12:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:48,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:48,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:48,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112230996] [2022-03-15 15:12:48,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112230996] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:48,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:48,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 15:12:48,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988709949] [2022-03-15 15:12:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:48,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 15:12:48,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 15:12:48,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:12:48,878 INFO L87 Difference]: Start difference. First operand 2653 states and 4901 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:51,661 INFO L93 Difference]: Finished difference Result 3226 states and 5925 transitions. [2022-03-15 15:12:51,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:12:51,662 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:51,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:51,665 INFO L225 Difference]: With dead ends: 3226 [2022-03-15 15:12:51,665 INFO L226 Difference]: Without dead ends: 3226 [2022-03-15 15:12:51,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=556, Invalid=3866, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:12:51,666 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1078 mSDsluCounter, 4251 mSDsCounter, 0 mSdLazyCounter, 4718 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 4507 SdHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 4718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:51,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1078 Valid, 4507 Invalid, 4976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 4718 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2022-03-15 15:12:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 2633. [2022-03-15 15:12:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2626 states have (on average 1.8511043412033512) internal successors, (4861), 2632 states have internal predecessors, (4861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 4861 transitions. [2022-03-15 15:12:51,695 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 4861 transitions. Word has length 239 [2022-03-15 15:12:51,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:51,695 INFO L470 AbstractCegarLoop]: Abstraction has 2633 states and 4861 transitions. [2022-03-15 15:12:51,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 4861 transitions. [2022-03-15 15:12:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-15 15:12:51,698 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:51,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:51,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-15 15:12:51,698 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:51,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:51,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1929711951, now seen corresponding path program 10 times [2022-03-15 15:12:51,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:51,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728488108] [2022-03-15 15:12:51,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:51,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:52,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:52,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728488108] [2022-03-15 15:12:52,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728488108] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:52,423 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:52,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:12:52,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204517447] [2022-03-15 15:12:52,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:52,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:12:52,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:52,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:12:52,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:12:52,424 INFO L87 Difference]: Start difference. First operand 2633 states and 4861 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:56,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:56,241 INFO L93 Difference]: Finished difference Result 3152 states and 5816 transitions. [2022-03-15 15:12:56,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:12:56,241 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-03-15 15:12:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:56,245 INFO L225 Difference]: With dead ends: 3152 [2022-03-15 15:12:56,245 INFO L226 Difference]: Without dead ends: 3152 [2022-03-15 15:12:56,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1449 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=734, Invalid=4966, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:12:56,246 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1163 mSDsluCounter, 5139 mSDsCounter, 0 mSdLazyCounter, 6583 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 6936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 6583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:56,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 5459 Invalid, 6936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 6583 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-15 15:12:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-03-15 15:12:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2253. [2022-03-15 15:12:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2246 states have (on average 1.8365983971504898) internal successors, (4125), 2252 states have internal predecessors, (4125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 4125 transitions. [2022-03-15 15:12:56,266 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 4125 transitions. Word has length 239 [2022-03-15 15:12:56,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:56,267 INFO L470 AbstractCegarLoop]: Abstraction has 2253 states and 4125 transitions. [2022-03-15 15:12:56,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 4125 transitions. [2022-03-15 15:12:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:12:56,269 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:56,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:56,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-15 15:12:56,269 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:12:56,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:56,269 INFO L85 PathProgramCache]: Analyzing trace with hash -701974570, now seen corresponding path program 1 times [2022-03-15 15:12:56,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:56,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683204250] [2022-03-15 15:12:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:57,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:57,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683204250] [2022-03-15 15:12:57,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683204250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:57,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:57,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:12:57,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879815367] [2022-03-15 15:12:57,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:57,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:12:57,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:57,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:12:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:12:57,620 INFO L87 Difference]: Start difference. First operand 2253 states and 4125 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:00,314 INFO L93 Difference]: Finished difference Result 3294 states and 6115 transitions. [2022-03-15 15:13:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:13:00,314 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:00,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:00,318 INFO L225 Difference]: With dead ends: 3294 [2022-03-15 15:13:00,318 INFO L226 Difference]: Without dead ends: 3286 [2022-03-15 15:13:00,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=563, Invalid=4267, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:13:00,319 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1829 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 3784 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 3783 SdHoareTripleChecker+Invalid, 4116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 3784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:00,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1829 Valid, 3783 Invalid, 4116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 3784 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:13:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2022-03-15 15:13:00,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 2527. [2022-03-15 15:13:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 2520 states have (on average 1.8547619047619048) internal successors, (4674), 2526 states have internal predecessors, (4674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 4674 transitions. [2022-03-15 15:13:00,340 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 4674 transitions. Word has length 242 [2022-03-15 15:13:00,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:00,340 INFO L470 AbstractCegarLoop]: Abstraction has 2527 states and 4674 transitions. [2022-03-15 15:13:00,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 4674 transitions. [2022-03-15 15:13:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:00,342 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:00,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:00,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-15 15:13:00,343 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:00,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:00,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1459050451, now seen corresponding path program 1 times [2022-03-15 15:13:00,343 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:00,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021338804] [2022-03-15 15:13:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:00,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:01,118 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:01,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021338804] [2022-03-15 15:13:01,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021338804] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:01,118 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:01,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:13:01,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719043342] [2022-03-15 15:13:01,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:01,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:13:01,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:01,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:13:01,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:13:01,120 INFO L87 Difference]: Start difference. First operand 2527 states and 4674 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:04,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:04,454 INFO L93 Difference]: Finished difference Result 3029 states and 5607 transitions. [2022-03-15 15:13:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:13:04,454 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:04,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:04,458 INFO L225 Difference]: With dead ends: 3029 [2022-03-15 15:13:04,458 INFO L226 Difference]: Without dead ends: 3029 [2022-03-15 15:13:04,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=619, Invalid=5233, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:13:04,458 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 1646 mSDsluCounter, 4899 mSDsCounter, 0 mSdLazyCounter, 5600 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 5182 SdHoareTripleChecker+Invalid, 5720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 5600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:04,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1646 Valid, 5182 Invalid, 5720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 5600 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:13:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-03-15 15:13:04,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2554. [2022-03-15 15:13:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2547 states have (on average 1.8527679623085984) internal successors, (4719), 2553 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 4719 transitions. [2022-03-15 15:13:04,480 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 4719 transitions. Word has length 242 [2022-03-15 15:13:04,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:04,480 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 4719 transitions. [2022-03-15 15:13:04,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 4719 transitions. [2022-03-15 15:13:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:04,483 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:04,483 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:04,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-15 15:13:04,484 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1455854637, now seen corresponding path program 2 times [2022-03-15 15:13:04,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:04,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889996582] [2022-03-15 15:13:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:04,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:05,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:05,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889996582] [2022-03-15 15:13:05,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889996582] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:05,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:05,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:13:05,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357945454] [2022-03-15 15:13:05,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:05,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:13:05,390 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:05,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:13:05,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:13:05,390 INFO L87 Difference]: Start difference. First operand 2554 states and 4719 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:09,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:09,712 INFO L93 Difference]: Finished difference Result 2812 states and 5178 transitions. [2022-03-15 15:13:09,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:13:09,713 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:09,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:09,715 INFO L225 Difference]: With dead ends: 2812 [2022-03-15 15:13:09,715 INFO L226 Difference]: Without dead ends: 2812 [2022-03-15 15:13:09,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2177 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1022, Invalid=6634, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:13:09,716 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1892 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 4338 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 4274 SdHoareTripleChecker+Invalid, 4585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 4338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:09,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 4274 Invalid, 4585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 4338 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:09,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2022-03-15 15:13:09,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2588. [2022-03-15 15:13:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2581 states have (on average 1.851995350639287) internal successors, (4780), 2587 states have internal predecessors, (4780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 4780 transitions. [2022-03-15 15:13:09,736 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 4780 transitions. Word has length 242 [2022-03-15 15:13:09,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:09,736 INFO L470 AbstractCegarLoop]: Abstraction has 2588 states and 4780 transitions. [2022-03-15 15:13:09,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 4780 transitions. [2022-03-15 15:13:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:09,738 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:09,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:09,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-15 15:13:09,738 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:09,739 INFO L85 PathProgramCache]: Analyzing trace with hash -972668436, now seen corresponding path program 2 times [2022-03-15 15:13:09,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:09,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992830236] [2022-03-15 15:13:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:09,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:10,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:10,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992830236] [2022-03-15 15:13:10,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992830236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:10,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:10,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:13:10,668 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033440898] [2022-03-15 15:13:10,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:10,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:13:10,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:13:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:13:10,669 INFO L87 Difference]: Start difference. First operand 2588 states and 4780 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:14,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:14,070 INFO L93 Difference]: Finished difference Result 3411 states and 6340 transitions. [2022-03-15 15:13:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:13:14,070 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:14,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:14,074 INFO L225 Difference]: With dead ends: 3411 [2022-03-15 15:13:14,074 INFO L226 Difference]: Without dead ends: 3403 [2022-03-15 15:13:14,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1500 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=746, Invalid=4954, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:13:14,074 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 2319 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 4443 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 4443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:14,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2319 Valid, 4013 Invalid, 4801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 4443 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:13:14,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2022-03-15 15:13:14,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2590. [2022-03-15 15:13:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2590 states, 2583 states have (on average 1.8532713898567557) internal successors, (4787), 2589 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 4787 transitions. [2022-03-15 15:13:14,098 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 4787 transitions. Word has length 242 [2022-03-15 15:13:14,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:14,098 INFO L470 AbstractCegarLoop]: Abstraction has 2590 states and 4787 transitions. [2022-03-15 15:13:14,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 4787 transitions. [2022-03-15 15:13:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:14,100 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:14,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:14,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-15 15:13:14,101 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:14,101 INFO L85 PathProgramCache]: Analyzing trace with hash -951889145, now seen corresponding path program 3 times [2022-03-15 15:13:14,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:14,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459822833] [2022-03-15 15:13:14,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:14,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:14,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:14,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459822833] [2022-03-15 15:13:14,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459822833] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:14,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:14,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:13:14,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530196476] [2022-03-15 15:13:14,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:14,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:13:14,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:14,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:13:14,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:13:14,872 INFO L87 Difference]: Start difference. First operand 2590 states and 4787 transitions. Second operand has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:17,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:17,851 INFO L93 Difference]: Finished difference Result 2951 states and 5471 transitions. [2022-03-15 15:13:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:13:17,851 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:17,854 INFO L225 Difference]: With dead ends: 2951 [2022-03-15 15:13:17,855 INFO L226 Difference]: Without dead ends: 2951 [2022-03-15 15:13:17,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=931, Invalid=5231, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 15:13:17,856 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 2553 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 3828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:17,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2553 Valid, 3657 Invalid, 3828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:13:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2022-03-15 15:13:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2525. [2022-03-15 15:13:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 2518 states have (on average 1.8482922954725973) internal successors, (4654), 2524 states have internal predecessors, (4654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 4654 transitions. [2022-03-15 15:13:17,897 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 4654 transitions. Word has length 242 [2022-03-15 15:13:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:17,897 INFO L470 AbstractCegarLoop]: Abstraction has 2525 states and 4654 transitions. [2022-03-15 15:13:17,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 4654 transitions. [2022-03-15 15:13:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:17,899 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:17,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:17,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-15 15:13:17,900 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1277773896, now seen corresponding path program 3 times [2022-03-15 15:13:17,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:17,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236523392] [2022-03-15 15:13:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:17,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:18,839 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:18,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236523392] [2022-03-15 15:13:18,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236523392] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:18,839 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:18,839 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:13:18,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097698778] [2022-03-15 15:13:18,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:18,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:13:18,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:18,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:13:18,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:13:18,840 INFO L87 Difference]: Start difference. First operand 2525 states and 4654 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:21,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:21,579 INFO L93 Difference]: Finished difference Result 3452 states and 6422 transitions. [2022-03-15 15:13:21,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:13:21,580 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:21,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:21,584 INFO L225 Difference]: With dead ends: 3452 [2022-03-15 15:13:21,584 INFO L226 Difference]: Without dead ends: 3444 [2022-03-15 15:13:21,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=541, Invalid=4015, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:21,585 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 1832 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 4128 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 3954 SdHoareTripleChecker+Invalid, 4409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 4128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:21,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1832 Valid, 3954 Invalid, 4409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 4128 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:21,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2022-03-15 15:13:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 2669. [2022-03-15 15:13:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2662 states have (on average 1.857625845229151) internal successors, (4945), 2668 states have internal predecessors, (4945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 4945 transitions. [2022-03-15 15:13:21,625 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 4945 transitions. Word has length 242 [2022-03-15 15:13:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:21,625 INFO L470 AbstractCegarLoop]: Abstraction has 2669 states and 4945 transitions. [2022-03-15 15:13:21,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 4945 transitions. [2022-03-15 15:13:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:21,628 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:21,628 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:21,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-15 15:13:21,628 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:21,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:21,629 INFO L85 PathProgramCache]: Analyzing trace with hash 883251125, now seen corresponding path program 4 times [2022-03-15 15:13:21,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:21,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113648731] [2022-03-15 15:13:21,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:21,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:22,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:22,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113648731] [2022-03-15 15:13:22,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113648731] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:22,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:22,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-03-15 15:13:22,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778478577] [2022-03-15 15:13:22,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:22,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-15 15:13:22,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-15 15:13:22,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:13:22,475 INFO L87 Difference]: Start difference. First operand 2669 states and 4945 transitions. Second operand has 34 states, 33 states have (on average 7.333333333333333) internal successors, (242), 34 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:26,551 INFO L93 Difference]: Finished difference Result 3237 states and 6004 transitions. [2022-03-15 15:13:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:13:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.333333333333333) internal successors, (242), 34 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:26,554 INFO L225 Difference]: With dead ends: 3237 [2022-03-15 15:13:26,555 INFO L226 Difference]: Without dead ends: 3237 [2022-03-15 15:13:26,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=642, Invalid=5678, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:13:26,555 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1855 mSDsluCounter, 6018 mSDsCounter, 0 mSdLazyCounter, 7730 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 6352 SdHoareTripleChecker+Invalid, 7874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 7730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:26,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1855 Valid, 6352 Invalid, 7874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 7730 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-03-15 15:13:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2022-03-15 15:13:26,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 2522. [2022-03-15 15:13:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2515 states have (on average 1.8493041749502983) internal successors, (4651), 2521 states have internal predecessors, (4651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4651 transitions. [2022-03-15 15:13:26,577 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 4651 transitions. Word has length 242 [2022-03-15 15:13:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:26,578 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 4651 transitions. [2022-03-15 15:13:26,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.333333333333333) internal successors, (242), 34 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4651 transitions. [2022-03-15 15:13:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:26,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:26,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:26,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-15 15:13:26,580 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash 118790434, now seen corresponding path program 4 times [2022-03-15 15:13:26,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:26,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920007488] [2022-03-15 15:13:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:26,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:27,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:27,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920007488] [2022-03-15 15:13:27,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920007488] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:27,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:27,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:13:27,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078555606] [2022-03-15 15:13:27,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:27,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:13:27,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:27,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:13:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:13:27,785 INFO L87 Difference]: Start difference. First operand 2522 states and 4651 transitions. Second operand has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:30,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:30,431 INFO L93 Difference]: Finished difference Result 3463 states and 6434 transitions. [2022-03-15 15:13:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:13:30,431 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:30,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:30,435 INFO L225 Difference]: With dead ends: 3463 [2022-03-15 15:13:30,435 INFO L226 Difference]: Without dead ends: 3455 [2022-03-15 15:13:30,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=528, Invalid=3504, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:13:30,435 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 2024 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 3874 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 4214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 3874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:30,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 4001 Invalid, 4214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 3874 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:30,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2022-03-15 15:13:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 2551. [2022-03-15 15:13:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2544 states have (on average 1.8510220125786163) internal successors, (4709), 2550 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 4709 transitions. [2022-03-15 15:13:30,459 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 4709 transitions. Word has length 242 [2022-03-15 15:13:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:30,459 INFO L470 AbstractCegarLoop]: Abstraction has 2551 states and 4709 transitions. [2022-03-15 15:13:30,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 4709 transitions. [2022-03-15 15:13:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:30,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:30,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:30,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-15 15:13:30,461 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:30,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2015151841, now seen corresponding path program 5 times [2022-03-15 15:13:30,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:30,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756870800] [2022-03-15 15:13:30,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:31,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:31,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756870800] [2022-03-15 15:13:31,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756870800] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:31,238 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:31,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:13:31,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966176759] [2022-03-15 15:13:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:31,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:13:31,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:31,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:13:31,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:13:31,239 INFO L87 Difference]: Start difference. First operand 2551 states and 4709 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:34,422 INFO L93 Difference]: Finished difference Result 3051 states and 5651 transitions. [2022-03-15 15:13:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:13:34,422 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:34,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:34,425 INFO L225 Difference]: With dead ends: 3051 [2022-03-15 15:13:34,425 INFO L226 Difference]: Without dead ends: 3051 [2022-03-15 15:13:34,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=456, Invalid=3576, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:13:34,425 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 1640 mSDsluCounter, 5764 mSDsCounter, 0 mSdLazyCounter, 6032 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 6126 SdHoareTripleChecker+Invalid, 6144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 6032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:34,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1640 Valid, 6126 Invalid, 6144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 6032 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-15 15:13:34,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-03-15 15:13:34,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2414. [2022-03-15 15:13:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-15 15:13:34,446 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-15 15:13:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:34,446 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-15 15:13:34,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-15 15:13:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:34,449 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:34,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:34,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-15 15:13:34,449 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:34,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:34,449 INFO L85 PathProgramCache]: Analyzing trace with hash 720995542, now seen corresponding path program 5 times [2022-03-15 15:13:34,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:34,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232170850] [2022-03-15 15:13:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:35,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:35,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232170850] [2022-03-15 15:13:35,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232170850] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:35,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:35,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:13:35,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625307510] [2022-03-15 15:13:35,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:35,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:13:35,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:35,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:13:35,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:13:35,451 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:37,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:37,960 INFO L93 Difference]: Finished difference Result 3130 states and 5797 transitions. [2022-03-15 15:13:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 15:13:37,960 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:37,963 INFO L225 Difference]: With dead ends: 3130 [2022-03-15 15:13:37,963 INFO L226 Difference]: Without dead ends: 3122 [2022-03-15 15:13:37,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=473, Invalid=3309, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:13:37,964 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 2236 mSDsluCounter, 3661 mSDsCounter, 0 mSdLazyCounter, 3449 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 3933 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 3449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:37,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 3933 Invalid, 3793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 3449 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:13:37,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states. [2022-03-15 15:13:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2414. [2022-03-15 15:13:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-15 15:13:37,997 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-15 15:13:37,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:37,997 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-15 15:13:37,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-15 15:13:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:37,999 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:37,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:38,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-15 15:13:38,000 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:38,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:38,000 INFO L85 PathProgramCache]: Analyzing trace with hash 351006314, now seen corresponding path program 6 times [2022-03-15 15:13:38,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:38,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139675351] [2022-03-15 15:13:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:38,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:38,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:38,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139675351] [2022-03-15 15:13:38,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139675351] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:38,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:38,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:13:38,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717002973] [2022-03-15 15:13:38,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:38,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:13:38,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:38,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:13:38,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:13:38,967 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 33 states, 32 states have (on average 7.5625) internal successors, (242), 33 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:41,856 INFO L93 Difference]: Finished difference Result 3169 states and 5874 transitions. [2022-03-15 15:13:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:13:41,856 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.5625) internal successors, (242), 33 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:41,860 INFO L225 Difference]: With dead ends: 3169 [2022-03-15 15:13:41,860 INFO L226 Difference]: Without dead ends: 3161 [2022-03-15 15:13:41,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=504, Invalid=3656, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:13:41,860 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 1498 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 4383 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 4383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:41,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1498 Valid, 4924 Invalid, 4648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 4383 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:13:41,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2022-03-15 15:13:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2414. [2022-03-15 15:13:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-15 15:13:41,899 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-15 15:13:41,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:41,900 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-15 15:13:41,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.5625) internal successors, (242), 33 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-15 15:13:41,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:41,901 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:41,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:41,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-15 15:13:41,902 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash -370164614, now seen corresponding path program 7 times [2022-03-15 15:13:41,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:41,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658650669] [2022-03-15 15:13:41,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:42,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:42,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658650669] [2022-03-15 15:13:42,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658650669] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:42,843 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:42,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-15 15:13:42,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942894449] [2022-03-15 15:13:42,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:42,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-15 15:13:42,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-15 15:13:42,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:13:42,844 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 29 states, 28 states have (on average 8.642857142857142) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:45,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:45,824 INFO L93 Difference]: Finished difference Result 3205 states and 5945 transitions. [2022-03-15 15:13:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 15:13:45,825 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.642857142857142) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:45,828 INFO L225 Difference]: With dead ends: 3205 [2022-03-15 15:13:45,828 INFO L226 Difference]: Without dead ends: 3197 [2022-03-15 15:13:45,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=455, Invalid=3327, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:13:45,829 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1662 mSDsluCounter, 4170 mSDsCounter, 0 mSdLazyCounter, 4121 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 4437 SdHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 4121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:45,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1662 Valid, 4437 Invalid, 4432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 4121 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:45,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-03-15 15:13:45,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2414. [2022-03-15 15:13:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-15 15:13:45,850 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-15 15:13:45,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:45,851 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-15 15:13:45,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.642857142857142) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-15 15:13:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:45,853 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:45,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:45,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-15 15:13:45,853 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:45,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:45,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1172647984, now seen corresponding path program 8 times [2022-03-15 15:13:45,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:45,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890892909] [2022-03-15 15:13:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:46,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:46,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890892909] [2022-03-15 15:13:46,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890892909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:46,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:46,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:13:46,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401422901] [2022-03-15 15:13:46,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:46,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:13:46,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:13:46,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:13:46,808 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:49,959 INFO L93 Difference]: Finished difference Result 3160 states and 5856 transitions. [2022-03-15 15:13:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:13:49,959 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:49,962 INFO L225 Difference]: With dead ends: 3160 [2022-03-15 15:13:49,963 INFO L226 Difference]: Without dead ends: 3152 [2022-03-15 15:13:49,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=514, Invalid=3776, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:13:49,963 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 1927 mSDsluCounter, 4797 mSDsCounter, 0 mSdLazyCounter, 4888 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 4888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:49,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1927 Valid, 5060 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 4888 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:13:49,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-03-15 15:13:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2329. [2022-03-15 15:13:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2329 states, 2323 states have (on average 1.8364184244511408) internal successors, (4266), 2328 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 4266 transitions. [2022-03-15 15:13:49,985 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 4266 transitions. Word has length 242 [2022-03-15 15:13:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:49,985 INFO L470 AbstractCegarLoop]: Abstraction has 2329 states and 4266 transitions. [2022-03-15 15:13:49,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 4266 transitions. [2022-03-15 15:13:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-15 15:13:49,987 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:49,987 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:49,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-15 15:13:49,987 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:49,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:49,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1111427437, now seen corresponding path program 6 times [2022-03-15 15:13:49,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:49,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991491850] [2022-03-15 15:13:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:50,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:50,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991491850] [2022-03-15 15:13:50,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991491850] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:50,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:50,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:13:50,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779773059] [2022-03-15 15:13:50,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:50,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:13:50,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:50,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:13:50,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:13:50,803 INFO L87 Difference]: Start difference. First operand 2329 states and 4266 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:55,062 INFO L93 Difference]: Finished difference Result 3026 states and 5522 transitions. [2022-03-15 15:13:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:13:55,062 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-03-15 15:13:55,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:55,065 INFO L225 Difference]: With dead ends: 3026 [2022-03-15 15:13:55,065 INFO L226 Difference]: Without dead ends: 3026 [2022-03-15 15:13:55,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1558 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=850, Invalid=5470, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:13:55,066 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1771 mSDsluCounter, 6047 mSDsCounter, 0 mSdLazyCounter, 6431 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 6444 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 6431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:55,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1771 Valid, 6444 Invalid, 6637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 6431 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-03-15 15:13:55,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2022-03-15 15:13:55,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2166. [2022-03-15 15:13:55,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2160 states have (on average 1.8328703703703704) internal successors, (3959), 2165 states have internal predecessors, (3959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 3959 transitions. [2022-03-15 15:13:55,086 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 3959 transitions. Word has length 242 [2022-03-15 15:13:55,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:55,087 INFO L470 AbstractCegarLoop]: Abstraction has 2166 states and 3959 transitions. [2022-03-15 15:13:55,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 3959 transitions. [2022-03-15 15:13:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:13:55,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:55,089 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:55,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-15 15:13:55,089 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:13:55,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:55,089 INFO L85 PathProgramCache]: Analyzing trace with hash 413625721, now seen corresponding path program 1 times [2022-03-15 15:13:55,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:55,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820795722] [2022-03-15 15:13:55,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:55,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:56,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:56,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820795722] [2022-03-15 15:13:56,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820795722] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:56,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:56,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:13:56,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133507212] [2022-03-15 15:13:56,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:56,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:13:56,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:13:56,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:13:56,683 INFO L87 Difference]: Start difference. First operand 2166 states and 3959 transitions. Second operand has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:00,856 INFO L93 Difference]: Finished difference Result 3105 states and 5760 transitions. [2022-03-15 15:14:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:14:00,857 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:00,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:00,860 INFO L225 Difference]: With dead ends: 3105 [2022-03-15 15:14:00,860 INFO L226 Difference]: Without dead ends: 3090 [2022-03-15 15:14:00,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=596, Invalid=4516, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:14:00,861 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1737 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 4898 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 5219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 4898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:00,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1737 Valid, 4837 Invalid, 5219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 4898 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-15 15:14:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2022-03-15 15:14:00,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2404. [2022-03-15 15:14:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2398 states have (on average 1.8490408673894911) internal successors, (4434), 2403 states have internal predecessors, (4434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 4434 transitions. [2022-03-15 15:14:00,880 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 4434 transitions. Word has length 247 [2022-03-15 15:14:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:00,880 INFO L470 AbstractCegarLoop]: Abstraction has 2404 states and 4434 transitions. [2022-03-15 15:14:00,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 4434 transitions. [2022-03-15 15:14:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:00,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:00,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:00,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-15 15:14:00,883 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:00,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash -6996749, now seen corresponding path program 2 times [2022-03-15 15:14:00,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:00,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258312577] [2022-03-15 15:14:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:00,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:01,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:01,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258312577] [2022-03-15 15:14:01,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258312577] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:01,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:01,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-15 15:14:01,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282187169] [2022-03-15 15:14:01,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:01,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-15 15:14:01,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:01,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-15 15:14:01,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:14:01,892 INFO L87 Difference]: Start difference. First operand 2404 states and 4434 transitions. Second operand has 32 states, 31 states have (on average 7.967741935483871) internal successors, (247), 32 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:04,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:04,986 INFO L93 Difference]: Finished difference Result 3110 states and 5769 transitions. [2022-03-15 15:14:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:14:04,986 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.967741935483871) internal successors, (247), 32 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:04,989 INFO L225 Difference]: With dead ends: 3110 [2022-03-15 15:14:04,989 INFO L226 Difference]: Without dead ends: 3088 [2022-03-15 15:14:04,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=597, Invalid=4373, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:14:04,990 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 1897 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 4438 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 4282 SdHoareTripleChecker+Invalid, 4748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 4438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:04,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 4282 Invalid, 4748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 4438 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:14:04,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2022-03-15 15:14:05,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 2402. [2022-03-15 15:14:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 2396 states have (on average 1.848914858096828) internal successors, (4430), 2401 states have internal predecessors, (4430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 4430 transitions. [2022-03-15 15:14:05,010 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 4430 transitions. Word has length 247 [2022-03-15 15:14:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:05,010 INFO L470 AbstractCegarLoop]: Abstraction has 2402 states and 4430 transitions. [2022-03-15 15:14:05,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.967741935483871) internal successors, (247), 32 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 4430 transitions. [2022-03-15 15:14:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:05,012 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:05,012 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:05,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-15 15:14:05,012 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:05,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:05,013 INFO L85 PathProgramCache]: Analyzing trace with hash 17094771, now seen corresponding path program 3 times [2022-03-15 15:14:05,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:05,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153931630] [2022-03-15 15:14:05,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:05,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:05,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153931630] [2022-03-15 15:14:05,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153931630] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:05,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:05,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:14:05,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664812993] [2022-03-15 15:14:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:05,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:14:05,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:05,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:14:05,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:14:05,825 INFO L87 Difference]: Start difference. First operand 2402 states and 4430 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:09,506 INFO L93 Difference]: Finished difference Result 3244 states and 6006 transitions. [2022-03-15 15:14:09,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:14:09,506 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:09,510 INFO L225 Difference]: With dead ends: 3244 [2022-03-15 15:14:09,510 INFO L226 Difference]: Without dead ends: 3215 [2022-03-15 15:14:09,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=811, Invalid=5509, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:14:09,511 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 1801 mSDsluCounter, 5203 mSDsCounter, 0 mSdLazyCounter, 5716 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 5479 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 5716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:09,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1801 Valid, 5479 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 5716 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-15 15:14:09,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-03-15 15:14:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 2400. [2022-03-15 15:14:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2394 states have (on average 1.8492063492063493) internal successors, (4427), 2399 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 4427 transitions. [2022-03-15 15:14:09,532 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 4427 transitions. Word has length 247 [2022-03-15 15:14:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:09,532 INFO L470 AbstractCegarLoop]: Abstraction has 2400 states and 4427 transitions. [2022-03-15 15:14:09,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 4427 transitions. [2022-03-15 15:14:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:09,534 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:09,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:09,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-15 15:14:09,535 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:09,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1604209323, now seen corresponding path program 4 times [2022-03-15 15:14:09,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:09,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392964300] [2022-03-15 15:14:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:09,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:10,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:10,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392964300] [2022-03-15 15:14:10,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392964300] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:10,313 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:10,313 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:14:10,313 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8302195] [2022-03-15 15:14:10,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:10,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:14:10,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:10,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:14:10,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:14:10,314 INFO L87 Difference]: Start difference. First operand 2400 states and 4427 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:13,217 INFO L93 Difference]: Finished difference Result 3170 states and 5890 transitions. [2022-03-15 15:14:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:14:13,218 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:13,221 INFO L225 Difference]: With dead ends: 3170 [2022-03-15 15:14:13,221 INFO L226 Difference]: Without dead ends: 3155 [2022-03-15 15:14:13,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=770, Invalid=4780, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:14:13,222 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 2476 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 4273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:13,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2476 Valid, 3719 Invalid, 4273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:14:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2022-03-15 15:14:13,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 2464. [2022-03-15 15:14:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2458 states have (on average 1.8527257933279089) internal successors, (4554), 2463 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4554 transitions. [2022-03-15 15:14:13,242 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4554 transitions. Word has length 247 [2022-03-15 15:14:13,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:13,242 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4554 transitions. [2022-03-15 15:14:13,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4554 transitions. [2022-03-15 15:14:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:13,244 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:13,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:13,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-15 15:14:13,244 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:13,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash 331918131, now seen corresponding path program 5 times [2022-03-15 15:14:13,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:13,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829775536] [2022-03-15 15:14:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:14,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:14,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829775536] [2022-03-15 15:14:14,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829775536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:14,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:14,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:14:14,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667656796] [2022-03-15 15:14:14,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:14,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:14:14,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:14,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:14:14,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:14:14,073 INFO L87 Difference]: Start difference. First operand 2464 states and 4554 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:17,180 INFO L93 Difference]: Finished difference Result 3170 states and 5889 transitions. [2022-03-15 15:14:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:14:17,180 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:17,183 INFO L225 Difference]: With dead ends: 3170 [2022-03-15 15:14:17,183 INFO L226 Difference]: Without dead ends: 3148 [2022-03-15 15:14:17,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1571 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=809, Invalid=5197, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:14:17,184 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 2571 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 3989 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 4419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 3989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:17,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 3902 Invalid, 4419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 3989 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:14:17,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-03-15 15:14:17,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2457. [2022-03-15 15:14:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 2451 states have (on average 1.8523051815585476) internal successors, (4540), 2456 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 4540 transitions. [2022-03-15 15:14:17,205 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 4540 transitions. Word has length 247 [2022-03-15 15:14:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:17,205 INFO L470 AbstractCegarLoop]: Abstraction has 2457 states and 4540 transitions. [2022-03-15 15:14:17,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4540 transitions. [2022-03-15 15:14:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:17,207 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:17,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:17,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-15 15:14:17,208 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash -186815963, now seen corresponding path program 6 times [2022-03-15 15:14:17,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:17,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909999686] [2022-03-15 15:14:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:18,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:18,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909999686] [2022-03-15 15:14:18,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909999686] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:18,518 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:18,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-03-15 15:14:18,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145867065] [2022-03-15 15:14:18,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:18,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-15 15:14:18,519 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:18,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-15 15:14:18,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1020, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:14:18,519 INFO L87 Difference]: Start difference. First operand 2457 states and 4540 transitions. Second operand has 34 states, 33 states have (on average 7.484848484848484) internal successors, (247), 34 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:24,606 INFO L93 Difference]: Finished difference Result 3614 states and 6656 transitions. [2022-03-15 15:14:24,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:14:24,606 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.484848484848484) internal successors, (247), 34 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:24,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:24,611 INFO L225 Difference]: With dead ends: 3614 [2022-03-15 15:14:24,611 INFO L226 Difference]: Without dead ends: 3585 [2022-03-15 15:14:24,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2652 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1209, Invalid=7721, Unknown=0, NotChecked=0, Total=8930 [2022-03-15 15:14:24,611 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 2741 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 5314 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 4860 SdHoareTripleChecker+Invalid, 5912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 5314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:24,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2741 Valid, 4860 Invalid, 5912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 5314 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-15 15:14:24,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2022-03-15 15:14:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 2427. [2022-03-15 15:14:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 2421 states have (on average 1.8504750103263115) internal successors, (4480), 2426 states have internal predecessors, (4480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 4480 transitions. [2022-03-15 15:14:24,633 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 4480 transitions. Word has length 247 [2022-03-15 15:14:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:24,633 INFO L470 AbstractCegarLoop]: Abstraction has 2427 states and 4480 transitions. [2022-03-15 15:14:24,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.484848484848484) internal successors, (247), 34 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 4480 transitions. [2022-03-15 15:14:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:24,635 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:24,635 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:24,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-15 15:14:24,636 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1491104281, now seen corresponding path program 7 times [2022-03-15 15:14:24,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:24,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729257464] [2022-03-15 15:14:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:24,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:25,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:25,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729257464] [2022-03-15 15:14:25,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729257464] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:25,435 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:25,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:14:25,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222298345] [2022-03-15 15:14:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:25,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:14:25,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:14:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:14:25,436 INFO L87 Difference]: Start difference. First operand 2427 states and 4480 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:29,297 INFO L93 Difference]: Finished difference Result 3269 states and 6056 transitions. [2022-03-15 15:14:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:14:29,297 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:29,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:29,301 INFO L225 Difference]: With dead ends: 3269 [2022-03-15 15:14:29,301 INFO L226 Difference]: Without dead ends: 3240 [2022-03-15 15:14:29,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2356 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1111, Invalid=6899, Unknown=0, NotChecked=0, Total=8010 [2022-03-15 15:14:29,302 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 2336 mSDsluCounter, 4374 mSDsCounter, 0 mSdLazyCounter, 4565 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 5062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 4565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:29,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2336 Valid, 4648 Invalid, 5062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 4565 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:14:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-03-15 15:14:29,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2400. [2022-03-15 15:14:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2394 states have (on average 1.8492063492063493) internal successors, (4427), 2399 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 4427 transitions. [2022-03-15 15:14:29,322 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 4427 transitions. Word has length 247 [2022-03-15 15:14:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:29,323 INFO L470 AbstractCegarLoop]: Abstraction has 2400 states and 4427 transitions. [2022-03-15 15:14:29,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 4427 transitions. [2022-03-15 15:14:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:29,325 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:29,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:29,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-15 15:14:29,325 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:29,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1686637271, now seen corresponding path program 8 times [2022-03-15 15:14:29,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:29,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951758987] [2022-03-15 15:14:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:29,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:30,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:30,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951758987] [2022-03-15 15:14:30,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951758987] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:30,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:30,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:14:30,428 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853744417] [2022-03-15 15:14:30,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:30,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:14:30,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:30,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:14:30,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:14:30,429 INFO L87 Difference]: Start difference. First operand 2400 states and 4427 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:33,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:33,619 INFO L93 Difference]: Finished difference Result 3232 states and 6013 transitions. [2022-03-15 15:14:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:14:33,619 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:33,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:33,622 INFO L225 Difference]: With dead ends: 3232 [2022-03-15 15:14:33,622 INFO L226 Difference]: Without dead ends: 3217 [2022-03-15 15:14:33,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=556, Invalid=4136, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:14:33,623 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1588 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 5655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:33,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1588 Valid, 5208 Invalid, 5655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 5403 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:14:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2022-03-15 15:14:33,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 2512. [2022-03-15 15:14:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 2506 states have (on average 1.8555466879489226) internal successors, (4650), 2511 states have internal predecessors, (4650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 4650 transitions. [2022-03-15 15:14:33,642 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 4650 transitions. Word has length 247 [2022-03-15 15:14:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:33,642 INFO L470 AbstractCegarLoop]: Abstraction has 2512 states and 4650 transitions. [2022-03-15 15:14:33,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 4650 transitions. [2022-03-15 15:14:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:33,645 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:33,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:33,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-15 15:14:33,645 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:33,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1266014801, now seen corresponding path program 9 times [2022-03-15 15:14:33,645 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:33,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311195630] [2022-03-15 15:14:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:33,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:34,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:34,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311195630] [2022-03-15 15:14:34,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311195630] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:34,542 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:34,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:14:34,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280369277] [2022-03-15 15:14:34,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:34,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:14:34,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:34,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:14:34,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:14:34,543 INFO L87 Difference]: Start difference. First operand 2512 states and 4650 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:37,456 INFO L93 Difference]: Finished difference Result 3237 states and 6022 transitions. [2022-03-15 15:14:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:14:37,456 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:37,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:37,460 INFO L225 Difference]: With dead ends: 3237 [2022-03-15 15:14:37,460 INFO L226 Difference]: Without dead ends: 3215 [2022-03-15 15:14:37,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=577, Invalid=4253, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:14:37,460 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 2268 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 4636 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 4381 SdHoareTripleChecker+Invalid, 5001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 4636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:37,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2268 Valid, 4381 Invalid, 5001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 4636 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:14:37,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-03-15 15:14:37,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 2492. [2022-03-15 15:14:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2492 states, 2486 states have (on average 1.8543845534995977) internal successors, (4610), 2491 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 4610 transitions. [2022-03-15 15:14:37,495 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 4610 transitions. Word has length 247 [2022-03-15 15:14:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:37,495 INFO L470 AbstractCegarLoop]: Abstraction has 2492 states and 4610 transitions. [2022-03-15 15:14:37,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 4610 transitions. [2022-03-15 15:14:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:37,497 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:37,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:37,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-15 15:14:37,498 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1290106321, now seen corresponding path program 10 times [2022-03-15 15:14:37,499 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:37,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888590832] [2022-03-15 15:14:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:38,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:38,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888590832] [2022-03-15 15:14:38,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888590832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:38,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:38,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-15 15:14:38,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610348712] [2022-03-15 15:14:38,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:38,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-15 15:14:38,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:38,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-15 15:14:38,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:14:38,340 INFO L87 Difference]: Start difference. First operand 2492 states and 4610 transitions. Second operand has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:42,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:42,276 INFO L93 Difference]: Finished difference Result 3383 states and 6280 transitions. [2022-03-15 15:14:42,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:14:42,277 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:42,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:42,280 INFO L225 Difference]: With dead ends: 3383 [2022-03-15 15:14:42,280 INFO L226 Difference]: Without dead ends: 3354 [2022-03-15 15:14:42,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1837 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=763, Invalid=6043, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:14:42,280 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1914 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 6106 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 4975 SdHoareTripleChecker+Invalid, 6527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 6106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:42,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1914 Valid, 4975 Invalid, 6527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 6106 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-15 15:14:42,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2022-03-15 15:14:42,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 2292. [2022-03-15 15:14:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 2286 states have (on average 1.842082239720035) internal successors, (4211), 2291 states have internal predecessors, (4211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 4211 transitions. [2022-03-15 15:14:42,301 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 4211 transitions. Word has length 247 [2022-03-15 15:14:42,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:42,301 INFO L470 AbstractCegarLoop]: Abstraction has 2292 states and 4211 transitions. [2022-03-15 15:14:42,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 4211 transitions. [2022-03-15 15:14:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:42,303 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:42,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:42,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-15 15:14:42,304 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:42,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:42,304 INFO L85 PathProgramCache]: Analyzing trace with hash 917535661, now seen corresponding path program 11 times [2022-03-15 15:14:42,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:42,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449568683] [2022-03-15 15:14:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:42,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:43,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:43,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449568683] [2022-03-15 15:14:43,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449568683] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:43,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:43,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:14:43,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485133672] [2022-03-15 15:14:43,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:43,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:14:43,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:43,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:14:43,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:14:43,426 INFO L87 Difference]: Start difference. First operand 2292 states and 4211 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:46,343 INFO L93 Difference]: Finished difference Result 3166 states and 5874 transitions. [2022-03-15 15:14:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 15:14:46,343 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:46,347 INFO L225 Difference]: With dead ends: 3166 [2022-03-15 15:14:46,348 INFO L226 Difference]: Without dead ends: 3151 [2022-03-15 15:14:46,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=543, Invalid=3617, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:14:46,348 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1978 mSDsluCounter, 4681 mSDsCounter, 0 mSdLazyCounter, 4832 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 5116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 4832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:46,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4947 Invalid, 5116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 4832 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:14:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2022-03-15 15:14:46,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2332. [2022-03-15 15:14:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2332 states, 2326 states have (on average 1.8443680137575236) internal successors, (4290), 2331 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 4290 transitions. [2022-03-15 15:14:46,380 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 4290 transitions. Word has length 247 [2022-03-15 15:14:46,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:46,380 INFO L470 AbstractCegarLoop]: Abstraction has 2332 states and 4290 transitions. [2022-03-15 15:14:46,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 4290 transitions. [2022-03-15 15:14:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:46,383 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:46,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:46,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-15 15:14:46,384 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:46,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:46,384 INFO L85 PathProgramCache]: Analyzing trace with hash 496913191, now seen corresponding path program 12 times [2022-03-15 15:14:46,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:46,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45155250] [2022-03-15 15:14:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:46,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:47,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:47,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45155250] [2022-03-15 15:14:47,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45155250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:47,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:47,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-15 15:14:47,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070930546] [2022-03-15 15:14:47,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:47,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-15 15:14:47,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:47,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-15 15:14:47,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:14:47,281 INFO L87 Difference]: Start difference. First operand 2332 states and 4290 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:50,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:50,141 INFO L93 Difference]: Finished difference Result 3171 states and 5883 transitions. [2022-03-15 15:14:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:14:50,142 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:50,145 INFO L225 Difference]: With dead ends: 3171 [2022-03-15 15:14:50,145 INFO L226 Difference]: Without dead ends: 3149 [2022-03-15 15:14:50,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=560, Invalid=3862, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:14:50,146 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 1623 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 4308 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 4308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:50,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 4839 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 4308 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:14:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-03-15 15:14:50,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2312. [2022-03-15 15:14:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2306 states have (on average 1.8430182133564614) internal successors, (4250), 2311 states have internal predecessors, (4250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 4250 transitions. [2022-03-15 15:14:50,168 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 4250 transitions. Word has length 247 [2022-03-15 15:14:50,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:50,168 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 4250 transitions. [2022-03-15 15:14:50,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 4250 transitions. [2022-03-15 15:14:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-15 15:14:50,170 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:50,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:50,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-15 15:14:50,170 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:50,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:50,170 INFO L85 PathProgramCache]: Analyzing trace with hash 521004711, now seen corresponding path program 13 times [2022-03-15 15:14:50,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:50,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966357593] [2022-03-15 15:14:50,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:51,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:51,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966357593] [2022-03-15 15:14:51,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966357593] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:51,036 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:51,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-15 15:14:51,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155875549] [2022-03-15 15:14:51,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:51,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-15 15:14:51,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:51,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-15 15:14:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:14:51,038 INFO L87 Difference]: Start difference. First operand 2312 states and 4250 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:55,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:55,086 INFO L93 Difference]: Finished difference Result 3254 states and 6028 transitions. [2022-03-15 15:14:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:14:55,087 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-03-15 15:14:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:55,091 INFO L225 Difference]: With dead ends: 3254 [2022-03-15 15:14:55,091 INFO L226 Difference]: Without dead ends: 3222 [2022-03-15 15:14:55,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=858, Invalid=5622, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:14:55,091 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 2459 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 5736 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 5175 SdHoareTripleChecker+Invalid, 6215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 5736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:55,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2459 Valid, 5175 Invalid, 6215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 5736 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-15 15:14:55,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2022-03-15 15:14:55,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 2125. [2022-03-15 15:14:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 2120 states have (on average 1.8349056603773586) internal successors, (3890), 2124 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3890 transitions. [2022-03-15 15:14:55,112 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3890 transitions. Word has length 247 [2022-03-15 15:14:55,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:55,112 INFO L470 AbstractCegarLoop]: Abstraction has 2125 states and 3890 transitions. [2022-03-15 15:14:55,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3890 transitions. [2022-03-15 15:14:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-03-15 15:14:55,114 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:55,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:55,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-15 15:14:55,115 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-15 15:14:55,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1157305880, now seen corresponding path program 1 times [2022-03-15 15:14:55,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:55,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181816824] [2022-03-15 15:14:55,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:55,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:55,246 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:55,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181816824] [2022-03-15 15:14:55,246 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181816824] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:55,246 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:55,246 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 15:14:55,246 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943323938] [2022-03-15 15:14:55,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:55,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:14:55,247 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:55,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:14:55,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:14:55,247 INFO L87 Difference]: Start difference. First operand 2125 states and 3890 transitions. Second operand has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:55,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:55,285 INFO L93 Difference]: Finished difference Result 1465 states and 2615 transitions. [2022-03-15 15:14:55,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 15:14:55,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 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 254 [2022-03-15 15:14:55,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:55,286 INFO L225 Difference]: With dead ends: 1465 [2022-03-15 15:14:55,286 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 15:14:55,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 15:14:55,286 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 391 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:55,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 728 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:14:55,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 15:14:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 15:14:55,287 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) [2022-03-15 15:14:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 15:14:55,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2022-03-15 15:14:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:55,287 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 15:14:55,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 15:14:55,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2022-03-15 15:14:55,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2022-03-15 15:14:55,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (16 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2022-03-15 15:14:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2022-03-15 15:14:55,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2022-03-15 15:14:55,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-15 15:14:55,296 INFO L732 BasicCegarLoop]: Path program histogram: [35, 13, 10, 8, 7, 6, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:55,299 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:14:55,299 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:14:55,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:14:55 BasicIcfg [2022-03-15 15:14:55,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:14:55,301 INFO L158 Benchmark]: Toolchain (without parser) took 346964.15ms. Allocated memory was 198.2MB in the beginning and 556.8MB in the end (delta: 358.6MB). Free memory was 145.3MB in the beginning and 426.8MB in the end (delta: -281.4MB). Peak memory consumption was 77.8MB. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 163.9MB in the beginning and 163.8MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.37ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 145.1MB in the beginning and 187.0MB in the end (delta: -41.9MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.47ms. Allocated memory is still 238.0MB. Free memory was 187.0MB in the beginning and 183.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L158 Benchmark]: Boogie Preprocessor took 82.11ms. Allocated memory is still 238.0MB. Free memory was 183.3MB in the beginning and 180.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L158 Benchmark]: RCFGBuilder took 692.80ms. Allocated memory is still 238.0MB. Free memory was 180.2MB in the beginning and 151.3MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L158 Benchmark]: TraceAbstraction took 345462.90ms. Allocated memory was 238.0MB in the beginning and 556.8MB in the end (delta: 318.8MB). Free memory was 150.8MB in the beginning and 426.8MB in the end (delta: -276.0MB). Peak memory consumption was 43.3MB. Max. memory is 8.0GB. [2022-03-15 15:14:55,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 163.9MB in the beginning and 163.8MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 634.37ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 145.1MB in the beginning and 187.0MB in the end (delta: -41.9MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.47ms. Allocated memory is still 238.0MB. Free memory was 187.0MB in the beginning and 183.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.11ms. Allocated memory is still 238.0MB. Free memory was 183.3MB in the beginning and 180.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 692.80ms. Allocated memory is still 238.0MB. Free memory was 180.2MB in the beginning and 151.3MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 345462.90ms. Allocated memory was 238.0MB in the beginning and 556.8MB in the end (delta: 318.8MB). Free memory was 150.8MB in the beginning and 426.8MB in the end (delta: -276.0MB). Peak memory consumption was 43.3MB. 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: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1246]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1256]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1256]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1257]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1261]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: 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, 385 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 345.3s, OverallIterations: 107, TraceHistogramMax: 1, PathProgramHistogramMax: 35, EmptinessCheckTime: 0.3s, AutomataDifference: 253.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137881 SdHoareTripleChecker+Valid, 158.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137881 mSDsluCounter, 405619 SdHoareTripleChecker+Invalid, 132.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 375467 mSDsCounter, 23443 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368289 IncrementalHoareTripleChecker+Invalid, 391732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23443 mSolverCounterUnsat, 30963 mSDtfsCounter, 368289 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7005 GetRequests, 1010 SyntacticMatches, 13 SemanticMatches, 5982 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100237 ImplicationChecksByTransitivity, 125.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4311occurred in iteration=12, InterpolantAutomatonStates: 4228, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 107 MinimizatonAttempts, 49497 StatesRemovedByMinimization, 96 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 79.2s InterpolantComputationTime, 23909 NumberOfCodeBlocks, 23909 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 23802 ConstructedInterpolants, 0 QuantifiedInterpolants, 539505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 107 InterpolantComputations, 107 PerfectInterpolantSequences, 0/0 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 15:14:55,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...