/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 15:35:29,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 15:35:29,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 15:35:29,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 15:35:29,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 15:35:29,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 15:35:29,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 15:35:29,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 15:35:29,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 15:35:29,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 15:35:29,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 15:35:29,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 15:35:29,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 15:35:29,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 15:35:29,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 15:35:29,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 15:35:29,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 15:35:29,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 15:35:29,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 15:35:29,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 15:35:29,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 15:35:29,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 15:35:29,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 15:35:29,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 15:35:29,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 15:35:29,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 15:35:29,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 15:35:29,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 15:35:29,550 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 [2022-02-18 15:35:29,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 15:35:29,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 15:35:29,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 15:35:29,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 15:35:29,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 15:35:29,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 15:35:29,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 15:35:29,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 15:35:29,571 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 15:35:29,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 15:35:29,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 15:35:29,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 15:35:29,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 15:35:29,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 15:35:29,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 15:35:29,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 15:35:29,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 15:35:29,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 15:35:29,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 15:35:29,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 15:35:29,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 15:35:29,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 15:35:29,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 15:35:29,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 15:35:29,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 15:35:29,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:29,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 15:35:29,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 15:35:29,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 15:35:29,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 15:35:29,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 15:35:29,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 15:35:29,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 15:35:29,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 15:35:29,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 15:35:29,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 15:35:29,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 15:35:29,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 15:35:29,808 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 15:35:29,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-02-18 15:35:29,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e05a61e/a692440a3ac54b9cb9364af0e070e94f/FLAG9283ab8de [2022-02-18 15:35:30,324 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 15:35:30,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-02-18 15:35:30,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e05a61e/a692440a3ac54b9cb9364af0e070e94f/FLAG9283ab8de [2022-02-18 15:35:30,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e05a61e/a692440a3ac54b9cb9364af0e070e94f [2022-02-18 15:35:30,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 15:35:30,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 15:35:30,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:30,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 15:35:30,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 15:35:30,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:30,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dde62c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30, skipping insertion in model container [2022-02-18 15:35:30,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:30,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 15:35:30,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 15:35:30,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:30,821 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 15:35:30,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:30,928 INFO L208 MainTranslator]: Completed translation [2022-02-18 15:35:30,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30 WrapperNode [2022-02-18 15:35:30,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:30,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:30,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 15:35:30,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 15:35:30,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:30,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:30,998 INFO L137 Inliner]: procedures = 262, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-02-18 15:35:30,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:31,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 15:35:31,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 15:35:31,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 15:35:31,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 15:35:31,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 15:35:31,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 15:35:31,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 15:35:31,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (1/1) ... [2022-02-18 15:35:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:31,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:31,084 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) [2022-02-18 15:35:31,110 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 [2022-02-18 15:35:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 15:35:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 15:35:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 15:35:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 15:35:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 15:35:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 15:35:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 15:35:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 15:35:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 15:35:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 15:35:31,127 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 15:35:31,291 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 15:35:31,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 15:35:31,516 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 15:35:31,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 15:35:31,523 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-18 15:35:31,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:31 BoogieIcfgContainer [2022-02-18 15:35:31,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 15:35:31,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 15:35:31,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 15:35:31,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 15:35:31,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:35:30" (1/3) ... [2022-02-18 15:35:31,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f97f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:31, skipping insertion in model container [2022-02-18 15:35:31,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:30" (2/3) ... [2022-02-18 15:35:31,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f97f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:31, skipping insertion in model container [2022-02-18 15:35:31,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:31" (3/3) ... [2022-02-18 15:35:31,536 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2022-02-18 15:35:31,540 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 15:35:31,540 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 15:35:31,540 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-18 15:35:31,540 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 15:35:31,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:31,608 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 15:35:31,637 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 15:35:31,643 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 [2022-02-18 15:35:31,643 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-18 15:35:31,653 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 125 transitions, 255 flow [2022-02-18 15:35:31,790 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-18 15:35:31,831 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:31,832 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] [2022-02-18 15:35:31,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:31,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:31,836 INFO L85 PathProgramCache]: Analyzing trace with hash 397060765, now seen corresponding path program 1 times [2022-02-18 15:35:31,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:31,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562531177] [2022-02-18 15:35:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:32,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:32,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562531177] [2022-02-18 15:35:32,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562531177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:32,032 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:32,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:35:32,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483172768] [2022-02-18 15:35:32,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:32,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 15:35:32,038 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:32,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 15:35:32,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 15:35:32,070 INFO L87 Difference]: Start difference. First operand has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:32,121 INFO L93 Difference]: Finished difference Result 2213 states and 4404 transitions. [2022-02-18 15:35:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 15:35:32,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-18 15:35:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:32,156 INFO L225 Difference]: With dead ends: 2213 [2022-02-18 15:35:32,157 INFO L226 Difference]: Without dead ends: 2213 [2022-02-18 15:35:32,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 15:35:32,163 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:32,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:32,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-02-18 15:35:32,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-02-18 15:35:32,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2199 states have (on average 2.0027285129604366) internal successors, (4404), 2212 states have internal predecessors, (4404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4404 transitions. [2022-02-18 15:35:32,289 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4404 transitions. Word has length 29 [2022-02-18 15:35:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:32,290 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4404 transitions. [2022-02-18 15:35:32,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4404 transitions. [2022-02-18 15:35:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-18 15:35:32,295 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:32,295 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] [2022-02-18 15:35:32,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 15:35:32,297 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:32,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1657093153, now seen corresponding path program 1 times [2022-02-18 15:35:32,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:32,302 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246278577] [2022-02-18 15:35:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:32,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:32,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:32,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246278577] [2022-02-18 15:35:32,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246278577] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:32,404 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:32,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 15:35:32,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631760401] [2022-02-18 15:35:32,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:32,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:35:32,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:32,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:35:32,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:35:32,406 INFO L87 Difference]: Start difference. First operand 2213 states and 4404 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:32,442 INFO L93 Difference]: Finished difference Result 2217 states and 4408 transitions. [2022-02-18 15:35:32,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:35:32,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-18 15:35:32,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:32,452 INFO L225 Difference]: With dead ends: 2217 [2022-02-18 15:35:32,452 INFO L226 Difference]: Without dead ends: 2217 [2022-02-18 15:35:32,452 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 [2022-02-18 15:35:32,453 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 3 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:32,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 230 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:32,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-02-18 15:35:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2214. [2022-02-18 15:35:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2200 states have (on average 2.0022727272727274) internal successors, (4405), 2213 states have internal predecessors, (4405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 4405 transitions. [2022-02-18 15:35:32,507 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 4405 transitions. Word has length 29 [2022-02-18 15:35:32,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:32,507 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 4405 transitions. [2022-02-18 15:35:32,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 4405 transitions. [2022-02-18 15:35:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-18 15:35:32,510 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:32,510 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] [2022-02-18 15:35:32,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 15:35:32,510 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:32,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:32,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1891473138, now seen corresponding path program 1 times [2022-02-18 15:35:32,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:32,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135714161] [2022-02-18 15:35:32,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:32,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:32,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:32,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135714161] [2022-02-18 15:35:32,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135714161] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:32,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159430460] [2022-02-18 15:35:32,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:32,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:32,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:32,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:32,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-18 15:35:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:32,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-18 15:35:32,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 15:35:32,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:32,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159430460] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:32,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:32,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-18 15:35:32,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120444179] [2022-02-18 15:35:32,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:32,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:35:32,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:32,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:35:32,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:32,802 INFO L87 Difference]: Start difference. First operand 2214 states and 4405 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:32,852 INFO L93 Difference]: Finished difference Result 3324 states and 6625 transitions. [2022-02-18 15:35:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:35:32,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-18 15:35:32,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:32,865 INFO L225 Difference]: With dead ends: 3324 [2022-02-18 15:35:32,865 INFO L226 Difference]: Without dead ends: 3324 [2022-02-18 15:35:32,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:32,869 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 66 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:32,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 266 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2022-02-18 15:35:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2251. [2022-02-18 15:35:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2237 states have (on average 2.002235136343317) internal successors, (4479), 2250 states have internal predecessors, (4479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 4479 transitions. [2022-02-18 15:35:32,958 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 4479 transitions. Word has length 34 [2022-02-18 15:35:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:32,959 INFO L470 AbstractCegarLoop]: Abstraction has 2251 states and 4479 transitions. [2022-02-18 15:35:32,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 4479 transitions. [2022-02-18 15:35:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-18 15:35:32,962 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:32,962 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] [2022-02-18 15:35:32,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:33,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:33,183 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1317859348, now seen corresponding path program 1 times [2022-02-18 15:35:33,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:33,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142088460] [2022-02-18 15:35:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:33,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,247 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:33,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142088460] [2022-02-18 15:35:33,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142088460] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:33,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533274757] [2022-02-18 15:35:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:33,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:33,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:33,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 15:35:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:33,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 15:35:33,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533274757] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:33,541 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:33,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 15:35:33,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117205526] [2022-02-18 15:35:33,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:33,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:33,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:33,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:33,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:33,547 INFO L87 Difference]: Start difference. First operand 2251 states and 4479 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:33,638 INFO L93 Difference]: Finished difference Result 2261 states and 4489 transitions. [2022-02-18 15:35:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:35:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-02-18 15:35:33,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:33,647 INFO L225 Difference]: With dead ends: 2261 [2022-02-18 15:35:33,647 INFO L226 Difference]: Without dead ends: 2261 [2022-02-18 15:35:33,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:35:33,650 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 11 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:33,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 799 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2022-02-18 15:35:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2022-02-18 15:35:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 2247 states have (on average 1.997774810858923) internal successors, (4489), 2260 states have internal predecessors, (4489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 4489 transitions. [2022-02-18 15:35:33,712 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 4489 transitions. Word has length 40 [2022-02-18 15:35:33,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:33,712 INFO L470 AbstractCegarLoop]: Abstraction has 2261 states and 4489 transitions. [2022-02-18 15:35:33,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4489 transitions. [2022-02-18 15:35:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-18 15:35:33,713 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:33,714 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:33,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:33,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-18 15:35:33,926 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:33,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:33,927 INFO L85 PathProgramCache]: Analyzing trace with hash -626594124, now seen corresponding path program 2 times [2022-02-18 15:35:33,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:33,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405536706] [2022-02-18 15:35:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:33,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:34,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:34,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405536706] [2022-02-18 15:35:34,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405536706] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:34,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829339523] [2022-02-18 15:35:34,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:34,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:34,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:34,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:34,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 15:35:34,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:34,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:34,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:34,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:34,192 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:35:34,215 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-02-18 15:35:34,216 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:35:34,256 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-02-18 15:35:34,256 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:35:34,316 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-02-18 15:35:34,316 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:35:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 15:35:34,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:34,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829339523] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:34,337 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:34,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-18 15:35:34,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888398476] [2022-02-18 15:35:34,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:34,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:34,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:34,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:35:34,339 INFO L87 Difference]: Start difference. First operand 2261 states and 4489 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:34,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:34,548 INFO L93 Difference]: Finished difference Result 2530 states and 5027 transitions. [2022-02-18 15:35:34,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:35:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:34,557 INFO L225 Difference]: With dead ends: 2530 [2022-02-18 15:35:34,558 INFO L226 Difference]: Without dead ends: 2530 [2022-02-18 15:35:34,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:35:34,558 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 124 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:34,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 470 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-02-18 15:35:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2394. [2022-02-18 15:35:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 2380 states have (on average 1.9978991596638656) internal successors, (4755), 2393 states have internal predecessors, (4755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 4755 transitions. [2022-02-18 15:35:34,606 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 4755 transitions. Word has length 50 [2022-02-18 15:35:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:34,606 INFO L470 AbstractCegarLoop]: Abstraction has 2394 states and 4755 transitions. [2022-02-18 15:35:34,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 4755 transitions. [2022-02-18 15:35:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-18 15:35:34,607 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:34,607 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:34,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:34,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:34,821 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1030322137, now seen corresponding path program 1 times [2022-02-18 15:35:34,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:34,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476808075] [2022-02-18 15:35:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:34,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:34,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:34,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476808075] [2022-02-18 15:35:34,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476808075] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:34,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357993815] [2022-02-18 15:35:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:34,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:34,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:34,920 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:34,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 15:35:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 15:35:35,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357993815] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:35,252 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:35,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-18 15:35:35,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393657382] [2022-02-18 15:35:35,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:35,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:35:35,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:35:35,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:35,253 INFO L87 Difference]: Start difference. First operand 2394 states and 4755 transitions. Second operand has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:35,418 INFO L93 Difference]: Finished difference Result 2414 states and 4775 transitions. [2022-02-18 15:35:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:35:35,440 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:35:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:35,449 INFO L225 Difference]: With dead ends: 2414 [2022-02-18 15:35:35,449 INFO L226 Difference]: Without dead ends: 2414 [2022-02-18 15:35:35,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-18 15:35:35,450 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 44 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:35,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 578 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:35,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-02-18 15:35:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2414. [2022-02-18 15:35:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2400 states have (on average 1.9895833333333333) internal successors, (4775), 2413 states have internal predecessors, (4775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4775 transitions. [2022-02-18 15:35:35,523 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4775 transitions. Word has length 50 [2022-02-18 15:35:35,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:35,524 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4775 transitions. [2022-02-18 15:35:35,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4775 transitions. [2022-02-18 15:35:35,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-02-18 15:35:35,526 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,527 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:35,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:35,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:35,739 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:35,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,740 INFO L85 PathProgramCache]: Analyzing trace with hash -461165209, now seen corresponding path program 2 times [2022-02-18 15:35:35,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986875695] [2022-02-18 15:35:35,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986875695] [2022-02-18 15:35:35,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986875695] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:35,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367768365] [2022-02-18 15:35:35,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:35,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:35,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:35,932 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:35,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 15:35:36,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:36,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:36,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-18 15:35:36,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:36,208 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:35:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,246 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:35:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,290 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 15:35:36,291 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:35:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:35:36,347 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 15:35:36,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:35:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-18 15:35:36,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:36,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367768365] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:36,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:36,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-02-18 15:35:36,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750932718] [2022-02-18 15:35:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:36,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:36,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:36,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:36,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:35:36,380 INFO L87 Difference]: Start difference. First operand 2414 states and 4775 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:37,021 INFO L93 Difference]: Finished difference Result 5208 states and 10363 transitions. [2022-02-18 15:35:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:35:37,022 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-02-18 15:35:37,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:37,042 INFO L225 Difference]: With dead ends: 5208 [2022-02-18 15:35:37,042 INFO L226 Difference]: Without dead ends: 5208 [2022-02-18 15:35:37,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2022-02-18 15:35:37,044 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 777 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:37,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 1156 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:37,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-02-18 15:35:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 3194. [2022-02-18 15:35:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3180 states have (on average 1.9921383647798743) internal successors, (6335), 3193 states have internal predecessors, (6335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6335 transitions. [2022-02-18 15:35:37,136 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6335 transitions. Word has length 70 [2022-02-18 15:35:37,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:37,136 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6335 transitions. [2022-02-18 15:35:37,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6335 transitions. [2022-02-18 15:35:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-18 15:35:37,137 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:37,137 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:37,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:37,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:37,364 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:37,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:37,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1158747276, now seen corresponding path program 1 times [2022-02-18 15:35:37,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:37,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889280633] [2022-02-18 15:35:37,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:37,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:37,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889280633] [2022-02-18 15:35:37,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889280633] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:37,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044631650] [2022-02-18 15:35:37,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:37,530 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:37,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 15:35:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 15:35:37,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:37,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:37,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044631650] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:37,989 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:37,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-18 15:35:37,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879765960] [2022-02-18 15:35:37,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:37,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-18 15:35:37,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-18 15:35:37,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:35:37,991 INFO L87 Difference]: Start difference. First operand 3194 states and 6335 transitions. Second operand has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:38,247 INFO L93 Difference]: Finished difference Result 3209 states and 6350 transitions. [2022-02-18 15:35:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 15:35:38,247 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-02-18 15:35:38,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:38,262 INFO L225 Difference]: With dead ends: 3209 [2022-02-18 15:35:38,262 INFO L226 Difference]: Without dead ends: 3209 [2022-02-18 15:35:38,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:35:38,263 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 45 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:38,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 690 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2022-02-18 15:35:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 3209. [2022-02-18 15:35:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3209 states, 3195 states have (on average 1.9874804381846636) internal successors, (6350), 3208 states have internal predecessors, (6350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 6350 transitions. [2022-02-18 15:35:38,341 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 6350 transitions. Word has length 78 [2022-02-18 15:35:38,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:38,342 INFO L470 AbstractCegarLoop]: Abstraction has 3209 states and 6350 transitions. [2022-02-18 15:35:38,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 6350 transitions. [2022-02-18 15:35:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-18 15:35:38,344 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:38,344 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:38,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:38,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:38,567 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:38,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1991683229, now seen corresponding path program 2 times [2022-02-18 15:35:38,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:38,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827333190] [2022-02-18 15:35:38,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:38,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:38,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:38,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827333190] [2022-02-18 15:35:38,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827333190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:38,730 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:38,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:38,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745645961] [2022-02-18 15:35:38,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:38,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:38,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:38,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:38,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:38,731 INFO L87 Difference]: Start difference. First operand 3209 states and 6350 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:38,908 INFO L93 Difference]: Finished difference Result 3447 states and 6826 transitions. [2022-02-18 15:35:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:38,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-02-18 15:35:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:38,917 INFO L225 Difference]: With dead ends: 3447 [2022-02-18 15:35:38,917 INFO L226 Difference]: Without dead ends: 3447 [2022-02-18 15:35:38,917 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 [2022-02-18 15:35:38,918 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 122 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:38,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 467 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-02-18 15:35:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3333. [2022-02-18 15:35:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3333 states, 3319 states have (on average 1.9879481771617957) internal successors, (6598), 3332 states have internal predecessors, (6598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 6598 transitions. [2022-02-18 15:35:38,980 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 6598 transitions. Word has length 93 [2022-02-18 15:35:38,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:38,981 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 6598 transitions. [2022-02-18 15:35:38,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 6598 transitions. [2022-02-18 15:35:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-18 15:35:38,996 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:38,996 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:38,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 15:35:38,996 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:38,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:38,997 INFO L85 PathProgramCache]: Analyzing trace with hash 698436477, now seen corresponding path program 1 times [2022-02-18 15:35:38,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:38,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484743694] [2022-02-18 15:35:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:39,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:39,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484743694] [2022-02-18 15:35:39,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484743694] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:39,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:39,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:39,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940376324] [2022-02-18 15:35:39,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:39,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:39,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:39,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:39,133 INFO L87 Difference]: Start difference. First operand 3333 states and 6598 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:39,467 INFO L93 Difference]: Finished difference Result 3744 states and 7420 transitions. [2022-02-18 15:35:39,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:39,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-02-18 15:35:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:39,475 INFO L225 Difference]: With dead ends: 3744 [2022-02-18 15:35:39,476 INFO L226 Difference]: Without dead ends: 3744 [2022-02-18 15:35:39,476 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 [2022-02-18 15:35:39,476 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 179 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:39,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 667 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:35:39,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-02-18 15:35:39,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3555. [2022-02-18 15:35:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3541 states have (on average 1.9887037560011296) internal successors, (7042), 3554 states have internal predecessors, (7042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 7042 transitions. [2022-02-18 15:35:39,575 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 7042 transitions. Word has length 93 [2022-02-18 15:35:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:39,575 INFO L470 AbstractCegarLoop]: Abstraction has 3555 states and 7042 transitions. [2022-02-18 15:35:39,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 7042 transitions. [2022-02-18 15:35:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:39,577 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:39,577 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:39,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 15:35:39,577 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:39,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:39,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2140772307, now seen corresponding path program 1 times [2022-02-18 15:35:39,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:39,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799584047] [2022-02-18 15:35:39,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:39,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:39,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:39,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799584047] [2022-02-18 15:35:39,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799584047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:39,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:39,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:39,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322431276] [2022-02-18 15:35:39,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:39,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:39,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:39,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:39,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:39,892 INFO L87 Difference]: Start difference. First operand 3555 states and 7042 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:40,996 INFO L93 Difference]: Finished difference Result 10906 states and 21701 transitions. [2022-02-18 15:35:40,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:35:40,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:40,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:41,021 INFO L225 Difference]: With dead ends: 10906 [2022-02-18 15:35:41,021 INFO L226 Difference]: Without dead ends: 10906 [2022-02-18 15:35:41,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2022-02-18 15:35:41,022 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 1458 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:41,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 1112 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:41,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-02-18 15:35:41,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 3614. [2022-02-18 15:35:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 3600 states have (on average 1.9783333333333333) internal successors, (7122), 3613 states have internal predecessors, (7122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 7122 transitions. [2022-02-18 15:35:41,125 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 7122 transitions. Word has length 105 [2022-02-18 15:35:41,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:41,126 INFO L470 AbstractCegarLoop]: Abstraction has 3614 states and 7122 transitions. [2022-02-18 15:35:41,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 7122 transitions. [2022-02-18 15:35:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:41,128 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:41,128 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:41,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 15:35:41,128 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:41,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2141977043, now seen corresponding path program 2 times [2022-02-18 15:35:41,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:41,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314666360] [2022-02-18 15:35:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:41,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:41,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314666360] [2022-02-18 15:35:41,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314666360] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:41,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980612901] [2022-02-18 15:35:41,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:41,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:41,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:41,444 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:41,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 15:35:41,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:41,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:41,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:35:41,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:41,847 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:35:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:41,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:41,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980612901] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:41,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:41,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:35:41,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295529844] [2022-02-18 15:35:41,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:41,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:41,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:41,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:41,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:41,936 INFO L87 Difference]: Start difference. First operand 3614 states and 7122 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:42,658 INFO L93 Difference]: Finished difference Result 10114 states and 20103 transitions. [2022-02-18 15:35:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:35:42,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:42,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:42,680 INFO L225 Difference]: With dead ends: 10114 [2022-02-18 15:35:42,681 INFO L226 Difference]: Without dead ends: 10114 [2022-02-18 15:35:42,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2022-02-18 15:35:42,682 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 931 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:42,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 1446 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:42,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10114 states. [2022-02-18 15:35:42,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10114 to 3652. [2022-02-18 15:35:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3638 states have (on average 1.9785596481583287) internal successors, (7198), 3651 states have internal predecessors, (7198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 7198 transitions. [2022-02-18 15:35:42,780 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 7198 transitions. Word has length 105 [2022-02-18 15:35:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:42,781 INFO L470 AbstractCegarLoop]: Abstraction has 3652 states and 7198 transitions. [2022-02-18 15:35:42,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 7198 transitions. [2022-02-18 15:35:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:42,783 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:42,783 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:42,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:42,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:43,000 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:43,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:43,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1328247691, now seen corresponding path program 3 times [2022-02-18 15:35:43,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:43,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753866441] [2022-02-18 15:35:43,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:43,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:43,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:43,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753866441] [2022-02-18 15:35:43,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753866441] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:43,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150311991] [2022-02-18 15:35:43,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 15:35:43,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:43,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:43,366 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:43,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 15:35:43,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-18 15:35:43,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:43,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:35:43,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:43,753 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:35:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:43,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:43,838 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150311991] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:43,838 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:43,838 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:35:43,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877617254] [2022-02-18 15:35:43,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:43,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:43,839 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:43,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:43,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:43,840 INFO L87 Difference]: Start difference. First operand 3652 states and 7198 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:44,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:44,346 INFO L93 Difference]: Finished difference Result 7639 states and 15153 transitions. [2022-02-18 15:35:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:35:44,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:44,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:44,361 INFO L225 Difference]: With dead ends: 7639 [2022-02-18 15:35:44,361 INFO L226 Difference]: Without dead ends: 7639 [2022-02-18 15:35:44,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:35:44,362 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 670 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:44,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 1385 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:44,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2022-02-18 15:35:44,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 3709. [2022-02-18 15:35:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3709 states, 3695 states have (on average 1.9788903924221921) internal successors, (7312), 3708 states have internal predecessors, (7312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3709 states and 7312 transitions. [2022-02-18 15:35:44,436 INFO L78 Accepts]: Start accepts. Automaton has 3709 states and 7312 transitions. Word has length 105 [2022-02-18 15:35:44,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:44,436 INFO L470 AbstractCegarLoop]: Abstraction has 3709 states and 7312 transitions. [2022-02-18 15:35:44,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 7312 transitions. [2022-02-18 15:35:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:44,439 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:44,439 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:44,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:44,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-18 15:35:44,655 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:44,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:44,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1254368373, now seen corresponding path program 4 times [2022-02-18 15:35:44,656 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:44,656 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252056585] [2022-02-18 15:35:44,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:44,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:44,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252056585] [2022-02-18 15:35:44,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252056585] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:44,911 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:44,911 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:44,911 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765695621] [2022-02-18 15:35:44,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:44,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:44,911 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:44,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:44,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:44,912 INFO L87 Difference]: Start difference. First operand 3709 states and 7312 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:45,760 INFO L93 Difference]: Finished difference Result 10742 states and 21354 transitions. [2022-02-18 15:35:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:35:45,760 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:45,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:45,781 INFO L225 Difference]: With dead ends: 10742 [2022-02-18 15:35:45,781 INFO L226 Difference]: Without dead ends: 10742 [2022-02-18 15:35:45,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:35:45,782 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 997 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:45,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [997 Valid, 1663 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10742 states. [2022-02-18 15:35:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10742 to 3753. [2022-02-18 15:35:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-02-18 15:35:45,882 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-02-18 15:35:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:45,883 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-02-18 15:35:45,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-02-18 15:35:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:45,885 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:45,885 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:45,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-18 15:35:45,886 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:45,886 INFO L85 PathProgramCache]: Analyzing trace with hash 995038829, now seen corresponding path program 5 times [2022-02-18 15:35:45,886 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:45,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192395568] [2022-02-18 15:35:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:45,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:46,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:46,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192395568] [2022-02-18 15:35:46,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192395568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:46,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:46,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:46,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630371870] [2022-02-18 15:35:46,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:46,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:46,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:46,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:46,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:46,129 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:47,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:47,285 INFO L93 Difference]: Finished difference Result 11398 states and 22628 transitions. [2022-02-18 15:35:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:35:47,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:47,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:47,309 INFO L225 Difference]: With dead ends: 11398 [2022-02-18 15:35:47,309 INFO L226 Difference]: Without dead ends: 11398 [2022-02-18 15:35:47,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2022-02-18 15:35:47,310 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1213 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:47,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1213 Valid, 1510 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:35:47,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11398 states. [2022-02-18 15:35:47,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11398 to 3753. [2022-02-18 15:35:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-02-18 15:35:47,421 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-02-18 15:35:47,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:47,421 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-02-18 15:35:47,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-02-18 15:35:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:47,424 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:47,424 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:47,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-18 15:35:47,424 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:47,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:47,425 INFO L85 PathProgramCache]: Analyzing trace with hash -242221847, now seen corresponding path program 6 times [2022-02-18 15:35:47,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:47,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837201848] [2022-02-18 15:35:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:47,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:47,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837201848] [2022-02-18 15:35:47,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837201848] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:47,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617926238] [2022-02-18 15:35:47,636 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 15:35:47,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:47,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:47,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-18 15:35:47,750 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-18 15:35:47,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:47,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:35:47,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:48,031 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:35:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:48,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:48,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617926238] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:48,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:48,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:35:48,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116063406] [2022-02-18 15:35:48,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:48,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:48,113 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:48,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:48,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:48,114 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:49,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:49,400 INFO L93 Difference]: Finished difference Result 12415 states and 24633 transitions. [2022-02-18 15:35:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:35:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:49,418 INFO L225 Difference]: With dead ends: 12415 [2022-02-18 15:35:49,419 INFO L226 Difference]: Without dead ends: 12415 [2022-02-18 15:35:49,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:35:49,420 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 1163 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:49,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 1968 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:35:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2022-02-18 15:35:49,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 3753. [2022-02-18 15:35:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-02-18 15:35:49,522 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-02-18 15:35:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:49,522 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-02-18 15:35:49,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-02-18 15:35:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:49,525 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:49,525 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:49,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:49,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-18 15:35:49,747 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:49,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:49,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1512891989, now seen corresponding path program 7 times [2022-02-18 15:35:49,748 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:49,748 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072436496] [2022-02-18 15:35:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:50,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:50,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072436496] [2022-02-18 15:35:50,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072436496] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:50,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407015922] [2022-02-18 15:35:50,016 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:35:50,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:50,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:50,019 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:50,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 15:35:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:50,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:35:50,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:50,447 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:35:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:50,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:50,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407015922] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:50,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:50,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:35:50,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002621684] [2022-02-18 15:35:50,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:50,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:50,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:50,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:50,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:50,561 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:51,362 INFO L93 Difference]: Finished difference Result 12372 states and 24614 transitions. [2022-02-18 15:35:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:35:51,363 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:51,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:51,384 INFO L225 Difference]: With dead ends: 12372 [2022-02-18 15:35:51,384 INFO L226 Difference]: Without dead ends: 12372 [2022-02-18 15:35:51,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-02-18 15:35:51,385 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1039 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:51,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1039 Valid, 1818 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:51,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12372 states. [2022-02-18 15:35:51,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12372 to 3765. [2022-02-18 15:35:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3751 states have (on average 1.9792055451879498) internal successors, (7424), 3764 states have internal predecessors, (7424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-02-18 15:35:51,493 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-02-18 15:35:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:51,494 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-02-18 15:35:51,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-02-18 15:35:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:51,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:51,496 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:51,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:51,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-18 15:35:51,707 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:51,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:51,708 INFO L85 PathProgramCache]: Analyzing trace with hash 329331063, now seen corresponding path program 8 times [2022-02-18 15:35:51,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:51,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384295053] [2022-02-18 15:35:51,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:51,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:51,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384295053] [2022-02-18 15:35:51,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384295053] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:51,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544706905] [2022-02-18 15:35:51,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:51,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:51,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:51,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:51,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-18 15:35:52,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:52,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:52,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:35:52,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:52,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:35:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:52,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:52,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544706905] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:52,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:52,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:35:52,476 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202229405] [2022-02-18 15:35:52,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:52,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:52,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:52,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:52,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:52,477 INFO L87 Difference]: Start difference. First operand 3765 states and 7424 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:53,559 INFO L93 Difference]: Finished difference Result 13667 states and 27166 transitions. [2022-02-18 15:35:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:35:53,559 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:53,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:53,577 INFO L225 Difference]: With dead ends: 13667 [2022-02-18 15:35:53,577 INFO L226 Difference]: Without dead ends: 13667 [2022-02-18 15:35:53,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=305, Invalid=1417, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:35:53,578 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1565 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:53,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1565 Valid, 1726 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-02-18 15:35:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 3763. [2022-02-18 15:35:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 3749 states have (on average 1.9791944518538276) internal successors, (7420), 3762 states have internal predecessors, (7420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 7420 transitions. [2022-02-18 15:35:53,684 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 7420 transitions. Word has length 105 [2022-02-18 15:35:53,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:53,684 INFO L470 AbstractCegarLoop]: Abstraction has 3763 states and 7420 transitions. [2022-02-18 15:35:53,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 7420 transitions. [2022-02-18 15:35:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:53,686 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:53,686 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:53,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:53,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-18 15:35:53,895 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:53,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:53,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1169606955, now seen corresponding path program 9 times [2022-02-18 15:35:53,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:53,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906593063] [2022-02-18 15:35:53,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:53,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:54,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:54,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906593063] [2022-02-18 15:35:54,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906593063] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:54,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:54,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:54,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962271183] [2022-02-18 15:35:54,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:54,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:54,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:54,142 INFO L87 Difference]: Start difference. First operand 3763 states and 7420 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:55,405 INFO L93 Difference]: Finished difference Result 12700 states and 25213 transitions. [2022-02-18 15:35:55,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:35:55,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:55,419 INFO L225 Difference]: With dead ends: 12700 [2022-02-18 15:35:55,419 INFO L226 Difference]: Without dead ends: 12700 [2022-02-18 15:35:55,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2022-02-18 15:35:55,420 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1259 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:55,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1259 Valid, 1745 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:35:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12700 states. [2022-02-18 15:35:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12700 to 3765. [2022-02-18 15:35:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3751 states have (on average 1.9792055451879498) internal successors, (7424), 3764 states have internal predecessors, (7424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-02-18 15:35:55,516 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-02-18 15:35:55,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:55,516 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-02-18 15:35:55,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-02-18 15:35:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:55,519 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:55,519 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:55,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-18 15:35:55,519 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:55,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:55,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1170811691, now seen corresponding path program 10 times [2022-02-18 15:35:55,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:55,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669343087] [2022-02-18 15:35:55,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:55,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:55,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669343087] [2022-02-18 15:35:55,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669343087] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:55,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626577389] [2022-02-18 15:35:55,705 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 15:35:55,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:55,707 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:55,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-18 15:35:55,918 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 15:35:55,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:55,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-18 15:35:55,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:56,114 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:35:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:56,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:56,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626577389] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:56,162 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:56,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-18 15:35:56,163 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86265772] [2022-02-18 15:35:56,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:56,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 15:35:56,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:56,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 15:35:56,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:56,164 INFO L87 Difference]: Start difference. First operand 3765 states and 7424 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:56,921 INFO L93 Difference]: Finished difference Result 13250 states and 26322 transitions. [2022-02-18 15:35:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:35:56,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:56,938 INFO L225 Difference]: With dead ends: 13250 [2022-02-18 15:35:56,938 INFO L226 Difference]: Without dead ends: 13250 [2022-02-18 15:35:56,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2022-02-18 15:35:56,939 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 1188 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:56,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 2168 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13250 states. [2022-02-18 15:35:57,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13250 to 3759. [2022-02-18 15:35:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3745 states have (on average 1.9791722296395193) internal successors, (7412), 3758 states have internal predecessors, (7412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 7412 transitions. [2022-02-18 15:35:57,041 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 7412 transitions. Word has length 105 [2022-02-18 15:35:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:57,042 INFO L470 AbstractCegarLoop]: Abstraction has 3759 states and 7412 transitions. [2022-02-18 15:35:57,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 7412 transitions. [2022-02-18 15:35:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:57,044 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:57,044 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:57,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:57,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:57,259 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash -250583287, now seen corresponding path program 11 times [2022-02-18 15:35:57,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:57,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457953583] [2022-02-18 15:35:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:57,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:57,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457953583] [2022-02-18 15:35:57,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457953583] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:57,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:57,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:57,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643109973] [2022-02-18 15:35:57,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:57,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:57,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:57,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:57,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:57,514 INFO L87 Difference]: Start difference. First operand 3759 states and 7412 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:58,245 INFO L93 Difference]: Finished difference Result 10658 states and 21186 transitions. [2022-02-18 15:35:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:58,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:58,257 INFO L225 Difference]: With dead ends: 10658 [2022-02-18 15:35:58,257 INFO L226 Difference]: Without dead ends: 10658 [2022-02-18 15:35:58,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:58,258 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 798 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:58,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 1559 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2022-02-18 15:35:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 3764. [2022-02-18 15:35:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3764 states, 3750 states have (on average 1.9792) internal successors, (7422), 3763 states have internal predecessors, (7422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 7422 transitions. [2022-02-18 15:35:58,328 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 7422 transitions. Word has length 105 [2022-02-18 15:35:58,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:58,328 INFO L470 AbstractCegarLoop]: Abstraction has 3764 states and 7422 transitions. [2022-02-18 15:35:58,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 7422 transitions. [2022-02-18 15:35:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:58,331 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:58,331 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:58,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-18 15:35:58,331 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:58,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:58,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1591639765, now seen corresponding path program 12 times [2022-02-18 15:35:58,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:58,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600396527] [2022-02-18 15:35:58,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:58,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:58,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600396527] [2022-02-18 15:35:58,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600396527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:58,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:58,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:58,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473866195] [2022-02-18 15:35:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:58,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:58,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:58,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:58,573 INFO L87 Difference]: Start difference. First operand 3764 states and 7422 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:59,553 INFO L93 Difference]: Finished difference Result 10302 states and 20436 transitions. [2022-02-18 15:35:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:35:59,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:35:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:59,564 INFO L225 Difference]: With dead ends: 10302 [2022-02-18 15:35:59,564 INFO L226 Difference]: Without dead ends: 10302 [2022-02-18 15:35:59,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-02-18 15:35:59,564 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1124 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:59,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 1601 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:59,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10302 states. [2022-02-18 15:35:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10302 to 3762. [2022-02-18 15:35:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3762 states, 3748 states have (on average 1.979188900747065) internal successors, (7418), 3761 states have internal predecessors, (7418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 7418 transitions. [2022-02-18 15:35:59,637 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 7418 transitions. Word has length 105 [2022-02-18 15:35:59,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:59,637 INFO L470 AbstractCegarLoop]: Abstraction has 3762 states and 7418 transitions. [2022-02-18 15:35:59,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 7418 transitions. [2022-02-18 15:35:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:35:59,640 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:59,640 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:59,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-18 15:35:59,640 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:35:59,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:59,641 INFO L85 PathProgramCache]: Analyzing trace with hash -683316785, now seen corresponding path program 13 times [2022-02-18 15:35:59,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:59,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813077809] [2022-02-18 15:35:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:59,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:35:59,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:59,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813077809] [2022-02-18 15:35:59,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813077809] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:59,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179248277] [2022-02-18 15:35:59,917 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:35:59,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:59,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:59,920 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:35:59,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-18 15:36:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:00,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:00,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:00,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:00,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:00,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179248277] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:00,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:00,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:00,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644762206] [2022-02-18 15:36:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:00,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:00,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:00,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:00,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:00,396 INFO L87 Difference]: Start difference. First operand 3762 states and 7418 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:00,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:00,809 INFO L93 Difference]: Finished difference Result 6888 states and 13651 transitions. [2022-02-18 15:36:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:00,810 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:00,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:00,837 INFO L225 Difference]: With dead ends: 6888 [2022-02-18 15:36:00,837 INFO L226 Difference]: Without dead ends: 6888 [2022-02-18 15:36:00,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:00,838 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 538 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:00,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 1365 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6888 states. [2022-02-18 15:36:00,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6888 to 3819. [2022-02-18 15:36:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 3805 states have (on average 1.9795006570302234) internal successors, (7532), 3818 states have internal predecessors, (7532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 7532 transitions. [2022-02-18 15:36:00,880 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 7532 transitions. Word has length 105 [2022-02-18 15:36:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:00,880 INFO L470 AbstractCegarLoop]: Abstraction has 3819 states and 7532 transitions. [2022-02-18 15:36:00,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 7532 transitions. [2022-02-18 15:36:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:00,883 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:00,883 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:00,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:01,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-02-18 15:36:01,107 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:01,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash 953131453, now seen corresponding path program 14 times [2022-02-18 15:36:01,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:01,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427595796] [2022-02-18 15:36:01,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:01,385 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:01,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427595796] [2022-02-18 15:36:01,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427595796] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:01,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318345347] [2022-02-18 15:36:01,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:36:01,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:01,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:01,388 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:01,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-18 15:36:01,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:36:01,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:01,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:01,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:01,704 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:01,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:01,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318345347] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:01,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:01,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:01,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838537535] [2022-02-18 15:36:01,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:01,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:01,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:01,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:01,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:01,869 INFO L87 Difference]: Start difference. First operand 3819 states and 7532 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:02,361 INFO L93 Difference]: Finished difference Result 7489 states and 14848 transitions. [2022-02-18 15:36:02,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:02,369 INFO L225 Difference]: With dead ends: 7489 [2022-02-18 15:36:02,369 INFO L226 Difference]: Without dead ends: 7489 [2022-02-18 15:36:02,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-02-18 15:36:02,370 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 734 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:02,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 1456 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2022-02-18 15:36:02,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 3855. [2022-02-18 15:36:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-02-18 15:36:02,439 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-02-18 15:36:02,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:02,439 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-02-18 15:36:02,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-02-18 15:36:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:02,441 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:02,442 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:02,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:02,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:02,665 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2066174343, now seen corresponding path program 15 times [2022-02-18 15:36:02,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:02,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593255294] [2022-02-18 15:36:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:02,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:02,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593255294] [2022-02-18 15:36:02,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593255294] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:02,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145877634] [2022-02-18 15:36:02,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 15:36:02,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:02,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:02,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:02,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-18 15:36:03,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-18 15:36:03,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:03,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:03,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:03,309 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:03,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:03,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145877634] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:03,435 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:03,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:03,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003821699] [2022-02-18 15:36:03,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:03,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:03,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:03,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:03,436 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:03,978 INFO L93 Difference]: Finished difference Result 7446 states and 14748 transitions. [2022-02-18 15:36:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:03,978 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:03,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:03,986 INFO L225 Difference]: With dead ends: 7446 [2022-02-18 15:36:03,986 INFO L226 Difference]: Without dead ends: 7446 [2022-02-18 15:36:03,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-18 15:36:03,987 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 756 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:03,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [756 Valid, 1585 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:03,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2022-02-18 15:36:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3858. [2022-02-18 15:36:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3844 states have (on average 1.9797086368366286) internal successors, (7610), 3857 states have internal predecessors, (7610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 7610 transitions. [2022-02-18 15:36:04,053 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 7610 transitions. Word has length 105 [2022-02-18 15:36:04,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:04,053 INFO L470 AbstractCegarLoop]: Abstraction has 3858 states and 7610 transitions. [2022-02-18 15:36:04,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 7610 transitions. [2022-02-18 15:36:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:04,055 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:04,055 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:04,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:04,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:04,277 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:04,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:04,278 INFO L85 PathProgramCache]: Analyzing trace with hash -397331165, now seen corresponding path program 16 times [2022-02-18 15:36:04,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:04,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083552341] [2022-02-18 15:36:04,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:04,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:04,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083552341] [2022-02-18 15:36:04,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083552341] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:04,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:04,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:04,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503812471] [2022-02-18 15:36:04,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:04,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:04,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:04,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:04,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:04,506 INFO L87 Difference]: Start difference. First operand 3858 states and 7610 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:05,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:05,322 INFO L93 Difference]: Finished difference Result 9241 states and 18333 transitions. [2022-02-18 15:36:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-18 15:36:05,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:05,336 INFO L225 Difference]: With dead ends: 9241 [2022-02-18 15:36:05,337 INFO L226 Difference]: Without dead ends: 9241 [2022-02-18 15:36:05,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:36:05,337 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 996 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:05,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [996 Valid, 1653 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9241 states. [2022-02-18 15:36:05,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9241 to 3860. [2022-02-18 15:36:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 3846 states have (on average 1.9797191887675507) internal successors, (7614), 3859 states have internal predecessors, (7614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 7614 transitions. [2022-02-18 15:36:05,417 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 7614 transitions. Word has length 105 [2022-02-18 15:36:05,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:05,417 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 7614 transitions. [2022-02-18 15:36:05,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 7614 transitions. [2022-02-18 15:36:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:05,419 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:05,419 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:05,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-18 15:36:05,420 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:05,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:05,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1444891887, now seen corresponding path program 17 times [2022-02-18 15:36:05,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:05,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229083408] [2022-02-18 15:36:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:05,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:05,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229083408] [2022-02-18 15:36:05,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229083408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:05,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990802681] [2022-02-18 15:36:05,735 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 15:36:05,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:05,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:05,740 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:05,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-18 15:36:05,919 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-18 15:36:05,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:05,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:05,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:06,190 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:06,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:06,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990802681] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:06,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:06,260 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:06,260 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927619238] [2022-02-18 15:36:06,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:06,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:06,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:06,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:06,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:06,261 INFO L87 Difference]: Start difference. First operand 3860 states and 7614 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:07,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:07,377 INFO L93 Difference]: Finished difference Result 8162 states and 16156 transitions. [2022-02-18 15:36:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:36:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:07,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:07,386 INFO L225 Difference]: With dead ends: 8162 [2022-02-18 15:36:07,387 INFO L226 Difference]: Without dead ends: 8162 [2022-02-18 15:36:07,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=330, Invalid=1392, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:36:07,388 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1276 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:07,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 1813 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:07,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8162 states. [2022-02-18 15:36:07,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8162 to 3855. [2022-02-18 15:36:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-02-18 15:36:07,456 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-02-18 15:36:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:07,456 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-02-18 15:36:07,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-02-18 15:36:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:07,458 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:07,458 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:07,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:07,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-02-18 15:36:07,661 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:07,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1422414237, now seen corresponding path program 18 times [2022-02-18 15:36:07,662 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:07,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930986290] [2022-02-18 15:36:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:07,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:07,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930986290] [2022-02-18 15:36:07,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930986290] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:07,903 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:07,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:07,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383311462] [2022-02-18 15:36:07,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:07,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:07,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:07,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:07,905 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:08,468 INFO L93 Difference]: Finished difference Result 7798 states and 15433 transitions. [2022-02-18 15:36:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:08,468 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:08,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:08,477 INFO L225 Difference]: With dead ends: 7798 [2022-02-18 15:36:08,477 INFO L226 Difference]: Without dead ends: 7798 [2022-02-18 15:36:08,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:08,477 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 658 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:08,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [658 Valid, 1417 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:08,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2022-02-18 15:36:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 3864. [2022-02-18 15:36:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 3850 states have (on average 1.9797402597402598) internal successors, (7622), 3863 states have internal predecessors, (7622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 7622 transitions. [2022-02-18 15:36:08,526 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 7622 transitions. Word has length 105 [2022-02-18 15:36:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:08,526 INFO L470 AbstractCegarLoop]: Abstraction has 3864 states and 7622 transitions. [2022-02-18 15:36:08,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 7622 transitions. [2022-02-18 15:36:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:08,528 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:08,528 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:08,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-18 15:36:08,528 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:08,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:08,529 INFO L85 PathProgramCache]: Analyzing trace with hash 246428941, now seen corresponding path program 19 times [2022-02-18 15:36:08,529 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:08,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386714447] [2022-02-18 15:36:08,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:08,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:08,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:08,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386714447] [2022-02-18 15:36:08,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386714447] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:08,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842665871] [2022-02-18 15:36:08,758 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:36:08,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:08,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:08,759 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:08,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-18 15:36:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:08,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:08,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:09,136 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:09,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:09,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842665871] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:09,227 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:09,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:09,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069677177] [2022-02-18 15:36:09,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:09,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:09,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:09,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:09,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:09,228 INFO L87 Difference]: Start difference. First operand 3864 states and 7622 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:09,999 INFO L93 Difference]: Finished difference Result 10886 states and 21585 transitions. [2022-02-18 15:36:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-18 15:36:09,999 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:09,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:10,014 INFO L225 Difference]: With dead ends: 10886 [2022-02-18 15:36:10,014 INFO L226 Difference]: Without dead ends: 10886 [2022-02-18 15:36:10,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2022-02-18 15:36:10,015 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 963 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:10,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [963 Valid, 1899 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:10,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-02-18 15:36:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 3866. [2022-02-18 15:36:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3852 states have (on average 1.9797507788161994) internal successors, (7626), 3865 states have internal predecessors, (7626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 7626 transitions. [2022-02-18 15:36:10,084 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 7626 transitions. Word has length 105 [2022-02-18 15:36:10,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:10,084 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 7626 transitions. [2022-02-18 15:36:10,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 7626 transitions. [2022-02-18 15:36:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:10,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:10,086 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:10,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-02-18 15:36:10,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-18 15:36:10,295 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:10,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:10,296 INFO L85 PathProgramCache]: Analyzing trace with hash 2088651993, now seen corresponding path program 20 times [2022-02-18 15:36:10,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:10,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880534524] [2022-02-18 15:36:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:10,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:10,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880534524] [2022-02-18 15:36:10,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880534524] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:10,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193229786] [2022-02-18 15:36:10,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:36:10,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:10,547 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:10,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-18 15:36:10,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:36:10,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:10,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:10,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:11,017 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:11,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:11,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193229786] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:11,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:11,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:11,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994446360] [2022-02-18 15:36:11,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:11,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:11,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:11,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:11,096 INFO L87 Difference]: Start difference. First operand 3866 states and 7626 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:12,122 INFO L93 Difference]: Finished difference Result 9807 states and 19408 transitions. [2022-02-18 15:36:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:36:12,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:12,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:12,133 INFO L225 Difference]: With dead ends: 9807 [2022-02-18 15:36:12,134 INFO L226 Difference]: Without dead ends: 9807 [2022-02-18 15:36:12,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=1345, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:12,135 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 1205 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:12,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1205 Valid, 1821 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:12,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2022-02-18 15:36:12,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 3861. [2022-02-18 15:36:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3847 states have (on average 1.979724460618664) internal successors, (7616), 3860 states have internal predecessors, (7616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 7616 transitions. [2022-02-18 15:36:12,209 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 7616 transitions. Word has length 105 [2022-02-18 15:36:12,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:12,209 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 7616 transitions. [2022-02-18 15:36:12,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 7616 transitions. [2022-02-18 15:36:12,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:12,211 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:12,211 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:12,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:12,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:12,412 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:12,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1543292729, now seen corresponding path program 21 times [2022-02-18 15:36:12,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:12,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626774651] [2022-02-18 15:36:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:12,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:12,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626774651] [2022-02-18 15:36:12,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626774651] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:12,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:12,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:12,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234397579] [2022-02-18 15:36:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:12,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:12,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:12,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:12,638 INFO L87 Difference]: Start difference. First operand 3861 states and 7616 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:13,543 INFO L93 Difference]: Finished difference Result 10607 states and 21041 transitions. [2022-02-18 15:36:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-18 15:36:13,543 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:13,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:13,554 INFO L225 Difference]: With dead ends: 10607 [2022-02-18 15:36:13,554 INFO L226 Difference]: Without dead ends: 10607 [2022-02-18 15:36:13,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:36:13,555 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 1002 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:13,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 1721 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10607 states. [2022-02-18 15:36:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10607 to 3867. [2022-02-18 15:36:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 3853 states have (on average 1.979756034259019) internal successors, (7628), 3866 states have internal predecessors, (7628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 7628 transitions. [2022-02-18 15:36:13,612 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 7628 transitions. Word has length 105 [2022-02-18 15:36:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:13,612 INFO L470 AbstractCegarLoop]: Abstraction has 3867 states and 7628 transitions. [2022-02-18 15:36:13,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 7628 transitions. [2022-02-18 15:36:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:13,613 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:13,613 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:13,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-18 15:36:13,614 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:13,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:13,614 INFO L85 PathProgramCache]: Analyzing trace with hash 298930323, now seen corresponding path program 22 times [2022-02-18 15:36:13,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:13,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793209291] [2022-02-18 15:36:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:13,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:13,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793209291] [2022-02-18 15:36:13,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793209291] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:13,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117561726] [2022-02-18 15:36:13,852 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 15:36:13,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:13,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:13,854 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:13,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-18 15:36:14,064 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 15:36:14,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:14,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-18 15:36:14,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:14,239 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:14,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:14,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117561726] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:14,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:14,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-18 15:36:14,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362550711] [2022-02-18 15:36:14,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:14,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 15:36:14,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:14,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 15:36:14,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:14,277 INFO L87 Difference]: Start difference. First operand 3867 states and 7628 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:15,358 INFO L93 Difference]: Finished difference Result 12510 states and 24809 transitions. [2022-02-18 15:36:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 15:36:15,358 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:15,370 INFO L225 Difference]: With dead ends: 12510 [2022-02-18 15:36:15,370 INFO L226 Difference]: Without dead ends: 12510 [2022-02-18 15:36:15,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=394, Invalid=1862, Unknown=0, NotChecked=0, Total=2256 [2022-02-18 15:36:15,371 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1486 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:15,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 2129 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:36:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2022-02-18 15:36:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 3865. [2022-02-18 15:36:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 3851 states have (on average 1.9797455206439887) internal successors, (7624), 3864 states have internal predecessors, (7624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 7624 transitions. [2022-02-18 15:36:15,438 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 7624 transitions. Word has length 105 [2022-02-18 15:36:15,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:15,438 INFO L470 AbstractCegarLoop]: Abstraction has 3865 states and 7624 transitions. [2022-02-18 15:36:15,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 7624 transitions. [2022-02-18 15:36:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:15,440 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:15,440 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:15,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:15,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:15,647 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:15,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:15,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1139206215, now seen corresponding path program 23 times [2022-02-18 15:36:15,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:15,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73390307] [2022-02-18 15:36:15,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:15,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:15,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:15,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73390307] [2022-02-18 15:36:15,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73390307] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:15,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314262949] [2022-02-18 15:36:15,871 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 15:36:15,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:15,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:15,876 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:15,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-18 15:36:16,042 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-18 15:36:16,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:16,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:16,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:16,319 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:16,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:16,387 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314262949] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:16,387 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:16,387 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:16,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969110112] [2022-02-18 15:36:16,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:16,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:16,387 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:16,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:16,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:16,388 INFO L87 Difference]: Start difference. First operand 3865 states and 7624 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:17,570 INFO L93 Difference]: Finished difference Result 9555 states and 18918 transitions. [2022-02-18 15:36:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-18 15:36:17,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:17,582 INFO L225 Difference]: With dead ends: 9555 [2022-02-18 15:36:17,582 INFO L226 Difference]: Without dead ends: 9555 [2022-02-18 15:36:17,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=1532, Unknown=0, NotChecked=0, Total=1892 [2022-02-18 15:36:17,583 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 1173 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:17,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 1967 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9555 states. [2022-02-18 15:36:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9555 to 3855. [2022-02-18 15:36:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-02-18 15:36:17,644 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-02-18 15:36:17,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:17,644 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-02-18 15:36:17,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-02-18 15:36:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:17,645 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:17,645 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:17,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:17,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-02-18 15:36:17,846 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:17,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:17,846 INFO L85 PathProgramCache]: Analyzing trace with hash -4003655, now seen corresponding path program 24 times [2022-02-18 15:36:17,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:17,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252462400] [2022-02-18 15:36:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:17,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:18,100 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:18,100 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252462400] [2022-02-18 15:36:18,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252462400] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:18,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:18,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:18,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135657057] [2022-02-18 15:36:18,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:18,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:18,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:18,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:18,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:18,101 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:19,161 INFO L93 Difference]: Finished difference Result 12064 states and 23979 transitions. [2022-02-18 15:36:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:36:19,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:19,175 INFO L225 Difference]: With dead ends: 12064 [2022-02-18 15:36:19,175 INFO L226 Difference]: Without dead ends: 12064 [2022-02-18 15:36:19,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-02-18 15:36:19,176 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1351 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:19,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 1529 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:19,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states. [2022-02-18 15:36:19,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 3878. [2022-02-18 15:36:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 3864 states have (on average 1.9798136645962734) internal successors, (7650), 3877 states have internal predecessors, (7650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 7650 transitions. [2022-02-18 15:36:19,252 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 7650 transitions. Word has length 105 [2022-02-18 15:36:19,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:19,252 INFO L470 AbstractCegarLoop]: Abstraction has 3878 states and 7650 transitions. [2022-02-18 15:36:19,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 7650 transitions. [2022-02-18 15:36:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:19,254 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:19,254 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:19,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-18 15:36:19,254 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:19,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:19,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2798919, now seen corresponding path program 25 times [2022-02-18 15:36:19,254 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:19,255 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637514893] [2022-02-18 15:36:19,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:19,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:19,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:19,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637514893] [2022-02-18 15:36:19,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637514893] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:19,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359435455] [2022-02-18 15:36:19,503 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:36:19,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:19,504 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:19,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-18 15:36:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:19,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:19,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:19,895 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:19,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:19,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359435455] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:19,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:19,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:19,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070994835] [2022-02-18 15:36:19,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:19,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:19,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:19,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:19,959 INFO L87 Difference]: Start difference. First operand 3878 states and 7650 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:20,572 INFO L93 Difference]: Finished difference Result 11272 states and 22381 transitions. [2022-02-18 15:36:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:20,572 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:20,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:20,585 INFO L225 Difference]: With dead ends: 11272 [2022-02-18 15:36:20,585 INFO L226 Difference]: Without dead ends: 11272 [2022-02-18 15:36:20,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2022-02-18 15:36:20,586 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 919 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:20,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 1563 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:20,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states. [2022-02-18 15:36:20,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 3876. [2022-02-18 15:36:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 3862 states have (on average 1.979803210771621) internal successors, (7646), 3875 states have internal predecessors, (7646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 7646 transitions. [2022-02-18 15:36:20,645 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 7646 transitions. Word has length 105 [2022-02-18 15:36:20,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:20,645 INFO L470 AbstractCegarLoop]: Abstraction has 3876 states and 7646 transitions. [2022-02-18 15:36:20,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 7646 transitions. [2022-02-18 15:36:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:20,646 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:20,646 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:20,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-02-18 15:36:20,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-02-18 15:36:20,847 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:20,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:20,847 INFO L85 PathProgramCache]: Analyzing trace with hash 821943643, now seen corresponding path program 26 times [2022-02-18 15:36:20,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:20,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573361427] [2022-02-18 15:36:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:20,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:21,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:21,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573361427] [2022-02-18 15:36:21,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573361427] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:21,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006061615] [2022-02-18 15:36:21,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:36:21,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:21,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:21,092 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:21,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-18 15:36:21,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:36:21,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:21,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:21,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:21,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:21,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:21,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006061615] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:21,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:21,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:21,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166123590] [2022-02-18 15:36:21,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:21,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:21,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:21,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:21,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:21,548 INFO L87 Difference]: Start difference. First operand 3876 states and 7646 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:21,979 INFO L93 Difference]: Finished difference Result 8797 states and 17431 transitions. [2022-02-18 15:36:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:21,988 INFO L225 Difference]: With dead ends: 8797 [2022-02-18 15:36:21,988 INFO L226 Difference]: Without dead ends: 8797 [2022-02-18 15:36:21,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:21,989 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 660 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:21,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 1435 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8797 states. [2022-02-18 15:36:22,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8797 to 3873. [2022-02-18 15:36:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3873 states, 3859 states have (on average 1.9797875097175435) internal successors, (7640), 3872 states have internal predecessors, (7640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 7640 transitions. [2022-02-18 15:36:22,047 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 7640 transitions. Word has length 105 [2022-02-18 15:36:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:22,048 INFO L470 AbstractCegarLoop]: Abstraction has 3873 states and 7640 transitions. [2022-02-18 15:36:22,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 7640 transitions. [2022-02-18 15:36:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:22,049 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:22,049 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:22,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:22,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:22,250 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:22,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash 895822961, now seen corresponding path program 27 times [2022-02-18 15:36:22,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:22,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512498961] [2022-02-18 15:36:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:22,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:22,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512498961] [2022-02-18 15:36:22,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512498961] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:22,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071334878] [2022-02-18 15:36:22,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 15:36:22,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:22,465 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:22,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-18 15:36:22,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-18 15:36:22,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:22,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:22,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:22,925 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:23,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:23,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071334878] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:23,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:23,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:23,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225303667] [2022-02-18 15:36:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:23,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:23,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:23,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:23,017 INFO L87 Difference]: Start difference. First operand 3873 states and 7640 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:23,782 INFO L93 Difference]: Finished difference Result 11900 states and 23632 transitions. [2022-02-18 15:36:23,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:23,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:23,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:23,796 INFO L225 Difference]: With dead ends: 11900 [2022-02-18 15:36:23,796 INFO L226 Difference]: Without dead ends: 11900 [2022-02-18 15:36:23,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2022-02-18 15:36:23,797 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1044 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:23,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1044 Valid, 1903 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:23,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11900 states. [2022-02-18 15:36:23,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11900 to 3879. [2022-02-18 15:36:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3879 states, 3865 states have (on average 1.9798188874514877) internal successors, (7652), 3878 states have internal predecessors, (7652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 7652 transitions. [2022-02-18 15:36:23,858 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 7652 transitions. Word has length 105 [2022-02-18 15:36:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:23,859 INFO L470 AbstractCegarLoop]: Abstraction has 3879 states and 7652 transitions. [2022-02-18 15:36:23,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 7652 transitions. [2022-02-18 15:36:23,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:23,860 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:23,860 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:23,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:24,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:24,061 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:24,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1149737133, now seen corresponding path program 28 times [2022-02-18 15:36:24,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:24,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580125277] [2022-02-18 15:36:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:24,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:24,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580125277] [2022-02-18 15:36:24,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580125277] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:24,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039667285] [2022-02-18 15:36:24,285 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 15:36:24,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:24,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:24,286 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:24,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-02-18 15:36:24,525 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 15:36:24,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:24,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-18 15:36:24,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:24,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:24,900 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:36:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:24,931 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:36:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:24,982 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:36:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:25,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:36:25,089 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-02-18 15:36:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:25,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:25,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039667285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:25,101 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:25,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 15 [2022-02-18 15:36:25,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651775843] [2022-02-18 15:36:25,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:25,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 15:36:25,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:25,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 15:36:25,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:25,103 INFO L87 Difference]: Start difference. First operand 3879 states and 7652 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:27,007 INFO L93 Difference]: Finished difference Result 12532 states and 24859 transitions. [2022-02-18 15:36:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 15:36:27,007 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:27,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:27,022 INFO L225 Difference]: With dead ends: 12532 [2022-02-18 15:36:27,023 INFO L226 Difference]: Without dead ends: 12532 [2022-02-18 15:36:27,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=588, Invalid=1668, Unknown=0, NotChecked=0, Total=2256 [2022-02-18 15:36:27,024 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 1242 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:27,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 2313 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-18 15:36:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12532 states. [2022-02-18 15:36:27,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12532 to 4187. [2022-02-18 15:36:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 4173 states have (on average 1.9844236760124612) internal successors, (8281), 4186 states have internal predecessors, (8281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-02-18 15:36:27,105 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-02-18 15:36:27,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:27,105 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-02-18 15:36:27,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-02-18 15:36:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:27,106 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:27,107 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:27,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-02-18 15:36:27,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-02-18 15:36:27,312 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1907969487, now seen corresponding path program 29 times [2022-02-18 15:36:27,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:27,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766548641] [2022-02-18 15:36:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:27,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:27,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766548641] [2022-02-18 15:36:27,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766548641] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:27,520 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:27,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:27,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519593926] [2022-02-18 15:36:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:27,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:27,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:27,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:27,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:27,521 INFO L87 Difference]: Start difference. First operand 4187 states and 8281 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:28,634 INFO L93 Difference]: Finished difference Result 14744 states and 29258 transitions. [2022-02-18 15:36:28,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 15:36:28,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:28,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:28,652 INFO L225 Difference]: With dead ends: 14744 [2022-02-18 15:36:28,652 INFO L226 Difference]: Without dead ends: 14744 [2022-02-18 15:36:28,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2022-02-18 15:36:28,653 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 1342 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:28,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 1786 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14744 states. [2022-02-18 15:36:28,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14744 to 4189. [2022-02-18 15:36:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-02-18 15:36:28,770 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-02-18 15:36:28,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:28,770 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-02-18 15:36:28,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-02-18 15:36:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:28,772 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:28,772 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:28,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-18 15:36:28,772 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:28,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1909174223, now seen corresponding path program 30 times [2022-02-18 15:36:28,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:28,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366405051] [2022-02-18 15:36:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:28,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:29,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:29,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366405051] [2022-02-18 15:36:29,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366405051] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:29,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137010527] [2022-02-18 15:36:29,003 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 15:36:29,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:29,004 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:29,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-02-18 15:36:29,224 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-18 15:36:29,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:29,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:29,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:29,464 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:29,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:29,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137010527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:29,520 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:29,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:29,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988124863] [2022-02-18 15:36:29,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:29,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:29,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:29,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:29,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:29,521 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:30,165 INFO L93 Difference]: Finished difference Result 11839 states and 23480 transitions. [2022-02-18 15:36:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:36:30,166 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:30,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:30,179 INFO L225 Difference]: With dead ends: 11839 [2022-02-18 15:36:30,179 INFO L226 Difference]: Without dead ends: 11839 [2022-02-18 15:36:30,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-02-18 15:36:30,179 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 875 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:30,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [875 Valid, 1891 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:30,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11839 states. [2022-02-18 15:36:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11839 to 4187. [2022-02-18 15:36:30,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 4173 states have (on average 1.9844236760124612) internal successors, (8281), 4186 states have internal predecessors, (8281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-02-18 15:36:30,241 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-02-18 15:36:30,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:30,241 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-02-18 15:36:30,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-02-18 15:36:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:30,242 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:30,242 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:30,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:30,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-02-18 15:36:30,443 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:30,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:30,443 INFO L85 PathProgramCache]: Analyzing trace with hash 637299345, now seen corresponding path program 31 times [2022-02-18 15:36:30,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:30,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954887874] [2022-02-18 15:36:30,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:30,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:30,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954887874] [2022-02-18 15:36:30,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954887874] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:30,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452489532] [2022-02-18 15:36:30,665 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:36:30,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:30,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:30,668 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:30,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-02-18 15:36:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:30,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:30,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:31,139 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:31,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:31,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452489532] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:31,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:31,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:31,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387691290] [2022-02-18 15:36:31,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:31,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:31,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:31,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:31,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:31,251 INFO L87 Difference]: Start difference. First operand 4187 states and 8281 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:31,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:31,985 INFO L93 Difference]: Finished difference Result 12734 states and 25313 transitions. [2022-02-18 15:36:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:31,986 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:32,007 INFO L225 Difference]: With dead ends: 12734 [2022-02-18 15:36:32,007 INFO L226 Difference]: Without dead ends: 12734 [2022-02-18 15:36:32,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2022-02-18 15:36:32,008 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 918 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:32,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 1847 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:32,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12734 states. [2022-02-18 15:36:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12734 to 4197. [2022-02-18 15:36:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4197 states, 4183 states have (on average 1.984460913220177) internal successors, (8301), 4196 states have internal predecessors, (8301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 8301 transitions. [2022-02-18 15:36:32,101 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 8301 transitions. Word has length 105 [2022-02-18 15:36:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:32,102 INFO L470 AbstractCegarLoop]: Abstraction has 4197 states and 8301 transitions. [2022-02-18 15:36:32,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 8301 transitions. [2022-02-18 15:36:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:32,103 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:32,103 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:32,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:32,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-02-18 15:36:32,304 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:32,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:32,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1815444899, now seen corresponding path program 32 times [2022-02-18 15:36:32,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:32,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420485134] [2022-02-18 15:36:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:32,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:32,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420485134] [2022-02-18 15:36:32,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420485134] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:32,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:32,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:32,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622958324] [2022-02-18 15:36:32,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:32,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:32,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:32,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:32,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:32,526 INFO L87 Difference]: Start difference. First operand 4197 states and 8301 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:33,540 INFO L93 Difference]: Finished difference Result 13390 states and 26587 transitions. [2022-02-18 15:36:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:36:33,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:33,579 INFO L225 Difference]: With dead ends: 13390 [2022-02-18 15:36:33,579 INFO L226 Difference]: Without dead ends: 13390 [2022-02-18 15:36:33,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2022-02-18 15:36:33,580 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1335 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:33,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1335 Valid, 1617 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13390 states. [2022-02-18 15:36:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13390 to 4195. [2022-02-18 15:36:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-02-18 15:36:33,639 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-02-18 15:36:33,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:33,639 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-02-18 15:36:33,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-02-18 15:36:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:33,641 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:33,641 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:33,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-18 15:36:33,641 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:33,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:33,642 INFO L85 PathProgramCache]: Analyzing trace with hash -975169007, now seen corresponding path program 33 times [2022-02-18 15:36:33,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:33,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868282616] [2022-02-18 15:36:33,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:33,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:33,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:33,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868282616] [2022-02-18 15:36:33,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868282616] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:33,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387983790] [2022-02-18 15:36:33,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 15:36:33,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:33,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:33,867 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:33,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-02-18 15:36:34,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-18 15:36:34,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:34,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:34,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:34,288 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:34,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:34,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387983790] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:34,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:34,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:34,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503860581] [2022-02-18 15:36:34,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:34,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:34,353 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:34,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:34,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:34,354 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:35,312 INFO L93 Difference]: Finished difference Result 11961 states and 23710 transitions. [2022-02-18 15:36:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:36:35,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:35,327 INFO L225 Difference]: With dead ends: 11961 [2022-02-18 15:36:35,327 INFO L226 Difference]: Without dead ends: 11961 [2022-02-18 15:36:35,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=286, Invalid=1274, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:36:35,328 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1069 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:35,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1069 Valid, 1817 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11961 states. [2022-02-18 15:36:35,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11961 to 4191. [2022-02-18 15:36:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4177 states have (on average 1.984438592291118) internal successors, (8289), 4190 states have internal predecessors, (8289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-02-18 15:36:35,422 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-02-18 15:36:35,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:35,423 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-02-18 15:36:35,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-02-18 15:36:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:35,424 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:35,425 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:35,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-02-18 15:36:35,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:35,625 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:35,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:35,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1899608047, now seen corresponding path program 34 times [2022-02-18 15:36:35,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:35,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539312588] [2022-02-18 15:36:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:35,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:35,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:35,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539312588] [2022-02-18 15:36:35,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539312588] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:35,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053647888] [2022-02-18 15:36:35,864 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 15:36:35,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:35,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:35,865 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:35,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-02-18 15:36:36,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 15:36:36,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:36,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-18 15:36:36,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:36,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:36,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:36,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053647888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:36,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:36,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-18 15:36:36,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284516597] [2022-02-18 15:36:36,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:36,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 15:36:36,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:36,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 15:36:36,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:36,307 INFO L87 Difference]: Start difference. First operand 4191 states and 8289 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:37,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:37,077 INFO L93 Difference]: Finished difference Result 13150 states and 26145 transitions. [2022-02-18 15:36:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:37,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:37,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:37,095 INFO L225 Difference]: With dead ends: 13150 [2022-02-18 15:36:37,095 INFO L226 Difference]: Without dead ends: 13150 [2022-02-18 15:36:37,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2022-02-18 15:36:37,096 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1103 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:37,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1103 Valid, 1721 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13150 states. [2022-02-18 15:36:37,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13150 to 4195. [2022-02-18 15:36:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-02-18 15:36:37,176 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-02-18 15:36:37,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:37,176 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-02-18 15:36:37,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-02-18 15:36:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:37,177 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:37,177 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:37,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:37,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:37,378 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:37,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash -553136197, now seen corresponding path program 35 times [2022-02-18 15:36:37,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:37,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082638313] [2022-02-18 15:36:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:37,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:37,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082638313] [2022-02-18 15:36:37,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082638313] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:37,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941317205] [2022-02-18 15:36:37,601 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 15:36:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:37,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:37,603 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:37,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-02-18 15:36:37,836 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-18 15:36:37,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:37,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:37,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:38,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:38,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:38,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941317205] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:38,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:38,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:38,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725910689] [2022-02-18 15:36:38,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:38,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:38,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:38,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:38,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:38,151 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:38,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:38,966 INFO L93 Difference]: Finished difference Result 11319 states and 22445 transitions. [2022-02-18 15:36:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:36:38,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:38,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:38,978 INFO L225 Difference]: With dead ends: 11319 [2022-02-18 15:36:38,978 INFO L226 Difference]: Without dead ends: 11319 [2022-02-18 15:36:38,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-02-18 15:36:38,979 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1136 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:38,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 1396 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:38,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-02-18 15:36:39,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 4193. [2022-02-18 15:36:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4179 states have (on average 1.9844460397224217) internal successors, (8293), 4192 states have internal predecessors, (8293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-02-18 15:36:39,039 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-02-18 15:36:39,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:39,039 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-02-18 15:36:39,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-02-18 15:36:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:39,041 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:39,041 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:39,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:39,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:39,242 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:39,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:39,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1466874549, now seen corresponding path program 36 times [2022-02-18 15:36:39,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:39,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19547667] [2022-02-18 15:36:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:39,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:39,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19547667] [2022-02-18 15:36:39,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19547667] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:39,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932049732] [2022-02-18 15:36:39,451 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 15:36:39,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:39,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:39,452 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:39,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-02-18 15:36:39,637 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-18 15:36:39,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:39,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:39,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:39,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:39,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:39,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932049732] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:39,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:39,990 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:39,990 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414660028] [2022-02-18 15:36:39,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:39,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:39,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:39,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:39,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:39,991 INFO L87 Difference]: Start difference. First operand 4193 states and 8293 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:40,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:40,388 INFO L93 Difference]: Finished difference Result 7323 states and 14496 transitions. [2022-02-18 15:36:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:40,388 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:40,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:40,396 INFO L225 Difference]: With dead ends: 7323 [2022-02-18 15:36:40,396 INFO L226 Difference]: Without dead ends: 7323 [2022-02-18 15:36:40,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:40,397 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 562 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:40,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1247 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:40,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-02-18 15:36:40,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 4177. [2022-02-18 15:36:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4163 states have (on average 1.9843862599087196) internal successors, (8261), 4176 states have internal predecessors, (8261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8261 transitions. [2022-02-18 15:36:40,439 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8261 transitions. Word has length 105 [2022-02-18 15:36:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:40,439 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8261 transitions. [2022-02-18 15:36:40,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8261 transitions. [2022-02-18 15:36:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:40,440 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:40,441 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:40,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:40,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-02-18 15:36:40,642 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:40,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:40,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1729425713, now seen corresponding path program 37 times [2022-02-18 15:36:40,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:40,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959999337] [2022-02-18 15:36:40,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:40,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:40,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959999337] [2022-02-18 15:36:40,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959999337] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:40,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317971709] [2022-02-18 15:36:40,871 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:36:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:40,873 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:40,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-02-18 15:36:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:41,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:41,375 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:41,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:41,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317971709] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:41,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:41,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:41,441 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051993998] [2022-02-18 15:36:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:41,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:41,441 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:41,442 INFO L87 Difference]: Start difference. First operand 4177 states and 8261 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:42,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:42,496 INFO L93 Difference]: Finished difference Result 13882 states and 27628 transitions. [2022-02-18 15:36:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-18 15:36:42,496 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:42,514 INFO L225 Difference]: With dead ends: 13882 [2022-02-18 15:36:42,514 INFO L226 Difference]: Without dead ends: 13882 [2022-02-18 15:36:42,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=1477, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 15:36:42,515 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1383 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:42,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 1826 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:42,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13882 states. [2022-02-18 15:36:42,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13882 to 4189. [2022-02-18 15:36:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-02-18 15:36:42,619 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-02-18 15:36:42,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:42,620 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-02-18 15:36:42,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-02-18 15:36:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:42,621 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:42,621 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:42,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-02-18 15:36:42,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-02-18 15:36:42,822 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:42,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:42,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1665714967, now seen corresponding path program 38 times [2022-02-18 15:36:42,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:42,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005499736] [2022-02-18 15:36:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:43,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:43,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005499736] [2022-02-18 15:36:43,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005499736] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:43,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120487438] [2022-02-18 15:36:43,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:36:43,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:43,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:43,042 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:43,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-02-18 15:36:43,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:36:43,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:43,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:43,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:43,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:43,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:43,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120487438] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:43,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:43,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:43,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391994224] [2022-02-18 15:36:43,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:43,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:43,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:43,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:43,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:43,539 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:44,251 INFO L93 Difference]: Finished difference Result 10772 states and 21389 transitions. [2022-02-18 15:36:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:36:44,252 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:44,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:44,263 INFO L225 Difference]: With dead ends: 10772 [2022-02-18 15:36:44,263 INFO L226 Difference]: Without dead ends: 10772 [2022-02-18 15:36:44,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-02-18 15:36:44,264 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1046 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:44,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1046 Valid, 1768 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-02-18 15:36:44,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 4195. [2022-02-18 15:36:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-02-18 15:36:44,323 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-02-18 15:36:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:44,323 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-02-18 15:36:44,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-02-18 15:36:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:44,325 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:44,325 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:44,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:44,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:44,525 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:44,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash 583692235, now seen corresponding path program 39 times [2022-02-18 15:36:44,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:44,526 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790674984] [2022-02-18 15:36:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:44,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:44,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790674984] [2022-02-18 15:36:44,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790674984] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:44,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448599013] [2022-02-18 15:36:44,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 15:36:44,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:44,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:44,745 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:44,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-02-18 15:36:44,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-18 15:36:44,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:44,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:44,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:45,191 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:45,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:45,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448599013] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:45,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:45,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:45,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377033741] [2022-02-18 15:36:45,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:45,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:45,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:45,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:45,258 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:46,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:46,378 INFO L93 Difference]: Finished difference Result 12067 states and 23941 transitions. [2022-02-18 15:36:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:36:46,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:46,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:46,392 INFO L225 Difference]: With dead ends: 12067 [2022-02-18 15:36:46,392 INFO L226 Difference]: Without dead ends: 12067 [2022-02-18 15:36:46,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=324, Invalid=1398, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:36:46,393 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1264 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:46,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1264 Valid, 1909 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12067 states. [2022-02-18 15:36:46,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12067 to 4193. [2022-02-18 15:36:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4179 states have (on average 1.9844460397224217) internal successors, (8293), 4192 states have internal predecessors, (8293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-02-18 15:36:46,456 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-02-18 15:36:46,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:46,456 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-02-18 15:36:46,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-02-18 15:36:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:46,457 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:46,458 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:46,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:46,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-02-18 15:36:46,658 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:46,659 INFO L85 PathProgramCache]: Analyzing trace with hash -653568441, now seen corresponding path program 40 times [2022-02-18 15:36:46,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:46,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31637393] [2022-02-18 15:36:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:46,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:46,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:46,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31637393] [2022-02-18 15:36:46,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31637393] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:46,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091503473] [2022-02-18 15:36:46,861 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 15:36:46,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:46,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:46,862 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:46,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-02-18 15:36:47,113 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 15:36:47,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:47,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-18 15:36:47,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:47,287 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:47,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:47,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091503473] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:47,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:47,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-18 15:36:47,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908049570] [2022-02-18 15:36:47,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:47,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 15:36:47,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:47,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 15:36:47,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:47,325 INFO L87 Difference]: Start difference. First operand 4193 states and 8293 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:48,351 INFO L93 Difference]: Finished difference Result 14687 states and 29157 transitions. [2022-02-18 15:36:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-18 15:36:48,351 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:48,368 INFO L225 Difference]: With dead ends: 14687 [2022-02-18 15:36:48,368 INFO L226 Difference]: Without dead ends: 14687 [2022-02-18 15:36:48,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=377, Invalid=1693, Unknown=0, NotChecked=0, Total=2070 [2022-02-18 15:36:48,369 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 1244 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2139 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:48,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 2139 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14687 states. [2022-02-18 15:36:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14687 to 4183. [2022-02-18 15:36:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 4169 states have (on average 1.984408731110578) internal successors, (8273), 4182 states have internal predecessors, (8273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 8273 transitions. [2022-02-18 15:36:48,466 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 8273 transitions. Word has length 105 [2022-02-18 15:36:48,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:48,466 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 8273 transitions. [2022-02-18 15:36:48,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 8273 transitions. [2022-02-18 15:36:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:48,467 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:48,467 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:48,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:48,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-02-18 15:36:48,668 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:48,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:48,668 INFO L85 PathProgramCache]: Analyzing trace with hash 937596017, now seen corresponding path program 41 times [2022-02-18 15:36:48,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:48,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949970063] [2022-02-18 15:36:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:48,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:48,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:48,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949970063] [2022-02-18 15:36:48,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949970063] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:48,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:48,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:48,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564253048] [2022-02-18 15:36:48,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:48,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:48,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:48,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:48,884 INFO L87 Difference]: Start difference. First operand 4183 states and 8273 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:49,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:49,936 INFO L93 Difference]: Finished difference Result 10889 states and 21642 transitions. [2022-02-18 15:36:49,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 15:36:49,936 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:49,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:49,947 INFO L225 Difference]: With dead ends: 10889 [2022-02-18 15:36:49,947 INFO L226 Difference]: Without dead ends: 10889 [2022-02-18 15:36:49,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2022-02-18 15:36:49,947 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 1446 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:49,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1446 Valid, 1376 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10889 states. [2022-02-18 15:36:49,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10889 to 4191. [2022-02-18 15:36:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4177 states have (on average 1.984438592291118) internal successors, (8289), 4190 states have internal predecessors, (8289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-02-18 15:36:50,005 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-02-18 15:36:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:50,005 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-02-18 15:36:50,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-02-18 15:36:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:50,007 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:50,007 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:50,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-18 15:36:50,007 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:50,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash 938800753, now seen corresponding path program 42 times [2022-02-18 15:36:50,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:50,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988093982] [2022-02-18 15:36:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:50,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:50,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988093982] [2022-02-18 15:36:50,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988093982] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:50,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654840595] [2022-02-18 15:36:50,209 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 15:36:50,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:50,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:50,210 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:50,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-02-18 15:36:50,422 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-18 15:36:50,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:50,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:50,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:50,651 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:50,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:50,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654840595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:50,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:50,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:50,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815427174] [2022-02-18 15:36:50,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:50,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:50,702 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:50,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:50,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:50,702 INFO L87 Difference]: Start difference. First operand 4191 states and 8289 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:51,348 INFO L93 Difference]: Finished difference Result 10097 states and 20044 transitions. [2022-02-18 15:36:51,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-18 15:36:51,348 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:51,359 INFO L225 Difference]: With dead ends: 10097 [2022-02-18 15:36:51,359 INFO L226 Difference]: Without dead ends: 10097 [2022-02-18 15:36:51,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2022-02-18 15:36:51,360 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 914 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:51,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1561 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:51,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10097 states. [2022-02-18 15:36:51,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10097 to 4189. [2022-02-18 15:36:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-02-18 15:36:51,416 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-02-18 15:36:51,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:51,416 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-02-18 15:36:51,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:51,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-02-18 15:36:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:51,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:51,417 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:51,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:51,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:51,618 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:51,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1763543315, now seen corresponding path program 43 times [2022-02-18 15:36:51,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:51,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117241571] [2022-02-18 15:36:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:51,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:51,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:51,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117241571] [2022-02-18 15:36:51,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117241571] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:51,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799541770] [2022-02-18 15:36:51,853 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 15:36:51,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:51,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:51,854 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:51,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-02-18 15:36:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:52,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:52,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:52,267 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:52,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:52,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799541770] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:52,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:52,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:52,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090481599] [2022-02-18 15:36:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:52,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:52,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:52,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:52,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:52,344 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:52,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:52,807 INFO L93 Difference]: Finished difference Result 9641 states and 19132 transitions. [2022-02-18 15:36:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:52,807 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:52,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:52,817 INFO L225 Difference]: With dead ends: 9641 [2022-02-18 15:36:52,817 INFO L226 Difference]: Without dead ends: 9641 [2022-02-18 15:36:52,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-18 15:36:52,818 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 676 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:52,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 1530 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:52,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2022-02-18 15:36:52,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 4186. [2022-02-18 15:36:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4186 states, 4172 states have (on average 1.9844199424736337) internal successors, (8279), 4185 states have internal predecessors, (8279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 8279 transitions. [2022-02-18 15:36:52,870 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 8279 transitions. Word has length 105 [2022-02-18 15:36:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:52,870 INFO L470 AbstractCegarLoop]: Abstraction has 4186 states and 8279 transitions. [2022-02-18 15:36:52,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 8279 transitions. [2022-02-18 15:36:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-18 15:36:52,871 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:52,871 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:52,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-02-18 15:36:53,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:53,072 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:53,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:53,072 INFO L85 PathProgramCache]: Analyzing trace with hash -996901355, now seen corresponding path program 44 times [2022-02-18 15:36:53,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:53,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151285160] [2022-02-18 15:36:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-18 15:36:53,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:53,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151285160] [2022-02-18 15:36:53,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151285160] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:53,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342893944] [2022-02-18 15:36:53,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:36:53,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:53,232 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:53,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-02-18 15:36:53,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:36:53,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:36:53,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 15:36:53,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:53,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:36:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:53,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:36:53,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342893944] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:53,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:36:53,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-18 15:36:53,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742441153] [2022-02-18 15:36:53,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:53,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:53,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:53,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:53,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:53,752 INFO L87 Difference]: Start difference. First operand 4186 states and 8279 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:54,124 INFO L93 Difference]: Finished difference Result 8229 states and 16346 transitions. [2022-02-18 15:36:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:54,124 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-02-18 15:36:54,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:54,133 INFO L225 Difference]: With dead ends: 8229 [2022-02-18 15:36:54,133 INFO L226 Difference]: Without dead ends: 8229 [2022-02-18 15:36:54,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-02-18 15:36:54,134 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 682 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:54,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 1293 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:54,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-02-18 15:36:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 4243. [2022-02-18 15:36:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4243 states, 4229 states have (on average 1.9846299361551194) internal successors, (8393), 4242 states have internal predecessors, (8393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 8393 transitions. [2022-02-18 15:36:54,201 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 8393 transitions. Word has length 105 [2022-02-18 15:36:54,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:54,202 INFO L470 AbstractCegarLoop]: Abstraction has 4243 states and 8393 transitions. [2022-02-18 15:36:54,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 8393 transitions. [2022-02-18 15:36:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-18 15:36:54,203 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:54,203 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:54,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:54,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:54,403 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:54,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2116267346, now seen corresponding path program 1 times [2022-02-18 15:36:54,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:54,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410465605] [2022-02-18 15:36:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:54,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:54,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:54,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410465605] [2022-02-18 15:36:54,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410465605] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:54,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715785185] [2022-02-18 15:36:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:54,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:54,441 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:54,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-02-18 15:36:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:54,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 15:36:54,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:54,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:36:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:54,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715785185] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:36:54,940 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:36:54,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 15:36:54,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476737704] [2022-02-18 15:36:54,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:36:54,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:54,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:54,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:54,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:54,941 INFO L87 Difference]: Start difference. First operand 4243 states and 8393 transitions. Second operand has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:54,997 INFO L93 Difference]: Finished difference Result 7439 states and 14753 transitions. [2022-02-18 15:36:54,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:54,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-02-18 15:36:54,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:55,006 INFO L225 Difference]: With dead ends: 7439 [2022-02-18 15:36:55,006 INFO L226 Difference]: Without dead ends: 7439 [2022-02-18 15:36:55,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:36:55,007 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 700 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:55,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 876 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:36:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7439 states. [2022-02-18 15:36:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7439 to 7162. [2022-02-18 15:36:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7162 states, 7148 states have (on average 2.010912143256855) internal successors, (14374), 7161 states have internal predecessors, (14374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 14374 transitions. [2022-02-18 15:36:55,084 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 14374 transitions. Word has length 108 [2022-02-18 15:36:55,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:55,084 INFO L470 AbstractCegarLoop]: Abstraction has 7162 states and 14374 transitions. [2022-02-18 15:36:55,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 14374 transitions. [2022-02-18 15:36:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:36:55,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:55,085 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:55,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-02-18 15:36:55,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-02-18 15:36:55,295 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:55,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:55,295 INFO L85 PathProgramCache]: Analyzing trace with hash -502562751, now seen corresponding path program 1 times [2022-02-18 15:36:55,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:55,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265350401] [2022-02-18 15:36:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-02-18 15:36:55,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:55,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265350401] [2022-02-18 15:36:55,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265350401] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:55,355 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:55,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:36:55,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689027293] [2022-02-18 15:36:55,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:55,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:36:55,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:55,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:36:55,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:36:55,356 INFO L87 Difference]: Start difference. First operand 7162 states and 14374 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:55,567 INFO L93 Difference]: Finished difference Result 8006 states and 16072 transitions. [2022-02-18 15:36:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:36:55,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:36:55,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:55,577 INFO L225 Difference]: With dead ends: 8006 [2022-02-18 15:36:55,577 INFO L226 Difference]: Without dead ends: 7476 [2022-02-18 15:36:55,578 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 [2022-02-18 15:36:55,578 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 184 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:55,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 558 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:55,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7476 states. [2022-02-18 15:36:55,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7476 to 6816. [2022-02-18 15:36:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6816 states, 6803 states have (on average 2.01264148169925) internal successors, (13692), 6815 states have internal predecessors, (13692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 13692 transitions. [2022-02-18 15:36:55,640 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 13692 transitions. Word has length 114 [2022-02-18 15:36:55,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:55,640 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 13692 transitions. [2022-02-18 15:36:55,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 13692 transitions. [2022-02-18 15:36:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:36:55,643 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:55,643 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:55,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-18 15:36:55,643 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:36:55,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1642661824, now seen corresponding path program 1 times [2022-02-18 15:36:55,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:55,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067260343] [2022-02-18 15:36:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:55,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:55,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067260343] [2022-02-18 15:36:55,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067260343] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:36:55,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030756748] [2022-02-18 15:36:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:55,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:36:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:36:55,976 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:36:55,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-02-18 15:36:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:56,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-18 15:36:56,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:36:56,921 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:36:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:56,951 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:36:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,004 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:36:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:36:57,067 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:36:57,221 INFO L353 Elim1Store]: treesize reduction 204, result has 14.6 percent of original size [2022-02-18 15:36:57,221 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 61 [2022-02-18 15:36:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:57,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:36:57,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:36:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:58,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030756748] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:36:58,628 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:36:58,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2022-02-18 15:36:58,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037915271] [2022-02-18 15:36:58,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:36:58,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-18 15:36:58,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:58,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-18 15:36:58,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:58,629 INFO L87 Difference]: Start difference. First operand 6816 states and 13692 transitions. Second operand has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:05,266 INFO L93 Difference]: Finished difference Result 16581 states and 33229 transitions. [2022-02-18 15:37:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-18 15:37:05,266 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-18 15:37:05,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:05,290 INFO L225 Difference]: With dead ends: 16581 [2022-02-18 15:37:05,290 INFO L226 Difference]: Without dead ends: 16581 [2022-02-18 15:37:05,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4087 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2170, Invalid=10940, Unknown=0, NotChecked=0, Total=13110 [2022-02-18 15:37:05,292 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 2439 mSDsluCounter, 4307 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 4689 SdHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 3667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 973 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:05,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2439 Valid, 4689 Invalid, 4753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3667 Invalid, 0 Unknown, 973 Unchecked, 1.9s Time] [2022-02-18 15:37:05,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16581 states. [2022-02-18 15:37:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16581 to 7950. [2022-02-18 15:37:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7950 states, 7937 states have (on average 2.020536726722943) internal successors, (16037), 7949 states have internal predecessors, (16037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7950 states to 7950 states and 16037 transitions. [2022-02-18 15:37:05,467 INFO L78 Accepts]: Start accepts. Automaton has 7950 states and 16037 transitions. Word has length 134 [2022-02-18 15:37:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:05,467 INFO L470 AbstractCegarLoop]: Abstraction has 7950 states and 16037 transitions. [2022-02-18 15:37:05,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 7950 states and 16037 transitions. [2022-02-18 15:37:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:37:05,470 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:05,470 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:05,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-02-18 15:37:05,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2022-02-18 15:37:05,671 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:37:05,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:05,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1608674352, now seen corresponding path program 2 times [2022-02-18 15:37:05,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:05,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412388467] [2022-02-18 15:37:05,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:05,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:05,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:05,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412388467] [2022-02-18 15:37:05,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412388467] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:37:05,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900857153] [2022-02-18 15:37:05,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:37:05,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:37:05,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:37:05,905 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:37:05,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-02-18 15:37:06,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 15:37:06,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:37:06,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-18 15:37:06,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:37:06,592 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-18 15:37:06,661 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:37:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:06,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:37:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:06,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:06,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:06,741 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:37:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:06,791 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 15:37:06,792 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-18 15:37:06,874 INFO L353 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-02-18 15:37:06,874 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 49 [2022-02-18 15:37:06,907 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-02-18 15:37:06,907 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:37:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:06,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:37:10,300 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-02-18 15:37:10,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:10,302 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-02-18 15:37:10,307 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-02-18 15:37:10,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:10,312 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-02-18 15:37:10,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:10,315 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-02-18 15:37:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:10,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900857153] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:37:10,717 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:37:10,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 40 [2022-02-18 15:37:10,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504765985] [2022-02-18 15:37:10,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:37:10,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-18 15:37:10,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:10,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-18 15:37:10,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1448, Unknown=3, NotChecked=0, Total=1640 [2022-02-18 15:37:10,718 INFO L87 Difference]: Start difference. First operand 7950 states and 16037 transitions. Second operand has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:44,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:44,198 INFO L93 Difference]: Finished difference Result 16381 states and 32852 transitions. [2022-02-18 15:37:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-02-18 15:37:44,199 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-18 15:37:44,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:44,227 INFO L225 Difference]: With dead ends: 16381 [2022-02-18 15:37:44,227 INFO L226 Difference]: Without dead ends: 16381 [2022-02-18 15:37:44,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3322 ImplicationChecksByTransitivity, 34.7s TimeCoverageRelationStatistics Valid=1701, Invalid=9399, Unknown=30, NotChecked=0, Total=11130 [2022-02-18 15:37:44,229 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 2715 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2715 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 751 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:44,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2715 Valid, 5185 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4266 Invalid, 0 Unknown, 751 Unchecked, 2.1s Time] [2022-02-18 15:37:44,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-02-18 15:37:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 7661. [2022-02-18 15:37:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7661 states, 7648 states have (on average 2.0164748953974896) internal successors, (15422), 7660 states have internal predecessors, (15422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7661 states to 7661 states and 15422 transitions. [2022-02-18 15:37:44,359 INFO L78 Accepts]: Start accepts. Automaton has 7661 states and 15422 transitions. Word has length 134 [2022-02-18 15:37:44,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:44,359 INFO L470 AbstractCegarLoop]: Abstraction has 7661 states and 15422 transitions. [2022-02-18 15:37:44,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 7661 states and 15422 transitions. [2022-02-18 15:37:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:37:44,362 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:44,362 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:44,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-02-18 15:37:44,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2022-02-18 15:37:44,563 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:37:44,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:44,563 INFO L85 PathProgramCache]: Analyzing trace with hash 730557632, now seen corresponding path program 1 times [2022-02-18 15:37:44,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:44,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591868404] [2022-02-18 15:37:44,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:44,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:44,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:44,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591868404] [2022-02-18 15:37:44,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591868404] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:37:44,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560127507] [2022-02-18 15:37:44,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:44,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:37:44,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:37:44,880 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:37:44,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-02-18 15:37:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:45,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-18 15:37:45,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:37:46,025 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:37:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:37:46,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,120 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:37:46,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,184 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:37:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:46,263 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-02-18 15:37:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:46,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:37:46,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:46,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:47,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560127507] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:37:47,542 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:37:47,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 41 [2022-02-18 15:37:47,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285981053] [2022-02-18 15:37:47,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:37:47,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-18 15:37:47,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-18 15:37:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1509, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:37:47,543 INFO L87 Difference]: Start difference. First operand 7661 states and 15422 transitions. Second operand has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:52,307 INFO L93 Difference]: Finished difference Result 17047 states and 34127 transitions. [2022-02-18 15:37:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-18 15:37:52,308 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-18 15:37:52,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:52,331 INFO L225 Difference]: With dead ends: 17047 [2022-02-18 15:37:52,331 INFO L226 Difference]: Without dead ends: 17047 [2022-02-18 15:37:52,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1746, Invalid=8760, Unknown=0, NotChecked=0, Total=10506 [2022-02-18 15:37:52,333 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 2923 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 4983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 4174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 416 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:52,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 4413 Invalid, 4983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 4174 Invalid, 0 Unknown, 416 Unchecked, 2.2s Time] [2022-02-18 15:37:52,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17047 states. [2022-02-18 15:37:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17047 to 7813. [2022-02-18 15:37:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7813 states, 7800 states have (on average 2.0175641025641027) internal successors, (15737), 7812 states have internal predecessors, (15737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 15737 transitions. [2022-02-18 15:37:52,476 INFO L78 Accepts]: Start accepts. Automaton has 7813 states and 15737 transitions. Word has length 134 [2022-02-18 15:37:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:52,476 INFO L470 AbstractCegarLoop]: Abstraction has 7813 states and 15737 transitions. [2022-02-18 15:37:52,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 7813 states and 15737 transitions. [2022-02-18 15:37:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:37:52,479 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:52,479 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:52,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-02-18 15:37:52,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-02-18 15:37:52,680 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:37:52,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:52,680 INFO L85 PathProgramCache]: Analyzing trace with hash -784951032, now seen corresponding path program 1 times [2022-02-18 15:37:52,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:52,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296341745] [2022-02-18 15:37:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:53,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:53,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296341745] [2022-02-18 15:37:53,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296341745] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:37:53,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327493811] [2022-02-18 15:37:53,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:53,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:37:53,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:37:53,240 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:37:53,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-02-18 15:37:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:53,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-18 15:37:53,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:37:54,103 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:37:54,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:37:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,197 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:37:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,258 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:37:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,367 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-02-18 15:37:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,397 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:37:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,434 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:37:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:54,469 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:37:54,676 INFO L353 Elim1Store]: treesize reduction 328, result has 13.2 percent of original size [2022-02-18 15:37:54,676 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 79 [2022-02-18 15:37:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:57,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:37:58,857 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-02-18 15:37:58,858 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 3787 treesize of output 3802 [2022-02-18 15:37:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:37:58,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2022-02-18 15:37:58,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 15:37:58,998 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2022-02-18 15:38:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:01,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327493811] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:38:01,748 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:38:01,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 17] total 44 [2022-02-18 15:38:01,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448529204] [2022-02-18 15:38:01,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:38:01,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-18 15:38:01,749 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:01,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-18 15:38:01,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1741, Unknown=2, NotChecked=0, Total=1980 [2022-02-18 15:38:01,750 INFO L87 Difference]: Start difference. First operand 7813 states and 15737 transitions. Second operand has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:13,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:13,965 INFO L93 Difference]: Finished difference Result 15940 states and 31983 transitions. [2022-02-18 15:38:13,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-02-18 15:38:13,965 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-18 15:38:13,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:13,982 INFO L225 Difference]: With dead ends: 15940 [2022-02-18 15:38:13,982 INFO L226 Difference]: Without dead ends: 15940 [2022-02-18 15:38:13,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=1400, Invalid=7148, Unknown=8, NotChecked=0, Total=8556 [2022-02-18 15:38:13,983 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 2740 mSDsluCounter, 3917 mSDsCounter, 0 mSdLazyCounter, 3968 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 4260 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 3968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 983 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:13,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2740 Valid, 4260 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 3968 Invalid, 0 Unknown, 983 Unchecked, 2.1s Time] [2022-02-18 15:38:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2022-02-18 15:38:14,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 7852. [2022-02-18 15:38:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7852 states, 7839 states have (on average 2.01734915167751) internal successors, (15814), 7851 states have internal predecessors, (15814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7852 states to 7852 states and 15814 transitions. [2022-02-18 15:38:14,086 INFO L78 Accepts]: Start accepts. Automaton has 7852 states and 15814 transitions. Word has length 134 [2022-02-18 15:38:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:14,086 INFO L470 AbstractCegarLoop]: Abstraction has 7852 states and 15814 transitions. [2022-02-18 15:38:14,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 7852 states and 15814 transitions. [2022-02-18 15:38:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:38:14,090 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:14,090 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:14,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-02-18 15:38:14,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:38:14,290 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:38:14,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:14,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1191355971, now seen corresponding path program 1 times [2022-02-18 15:38:14,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:14,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088923583] [2022-02-18 15:38:14,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:14,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:14,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:14,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088923583] [2022-02-18 15:38:14,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088923583] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:38:14,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755370632] [2022-02-18 15:38:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:14,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:38:14,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:38:14,494 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:38:14,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-02-18 15:38:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:14,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-18 15:38:14,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:38:15,605 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:38:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,644 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-02-18 15:38:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,677 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:38:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,719 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:38:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:15,766 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:38:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:15,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:38:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:16,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755370632] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:38:16,321 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:38:16,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 38 [2022-02-18 15:38:16,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904760044] [2022-02-18 15:38:16,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:38:16,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-18 15:38:16,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:16,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-18 15:38:16,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:38:16,322 INFO L87 Difference]: Start difference. First operand 7852 states and 15814 transitions. Second operand has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:23,494 INFO L93 Difference]: Finished difference Result 16896 states and 33831 transitions. [2022-02-18 15:38:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-02-18 15:38:23,494 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-18 15:38:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:23,512 INFO L225 Difference]: With dead ends: 16896 [2022-02-18 15:38:23,512 INFO L226 Difference]: Without dead ends: 16896 [2022-02-18 15:38:23,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 245 SyntacticMatches, 3 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6791 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3450, Invalid=16572, Unknown=0, NotChecked=0, Total=20022 [2022-02-18 15:38:23,514 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 2341 mSDsluCounter, 7084 mSDsCounter, 0 mSdLazyCounter, 7581 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 8330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 7581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 404 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:23,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2341 Valid, 7493 Invalid, 8330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 7581 Invalid, 0 Unknown, 404 Unchecked, 3.3s Time] [2022-02-18 15:38:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16896 states. [2022-02-18 15:38:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16896 to 7787. [2022-02-18 15:38:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7787 states, 7774 states have (on average 2.016722408026756) internal successors, (15678), 7786 states have internal predecessors, (15678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7787 states to 7787 states and 15678 transitions. [2022-02-18 15:38:23,619 INFO L78 Accepts]: Start accepts. Automaton has 7787 states and 15678 transitions. Word has length 134 [2022-02-18 15:38:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:23,619 INFO L470 AbstractCegarLoop]: Abstraction has 7787 states and 15678 transitions. [2022-02-18 15:38:23,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 7787 states and 15678 transitions. [2022-02-18 15:38:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:38:23,623 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:23,623 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:23,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-02-18 15:38:23,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2022-02-18 15:38:23,823 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:38:23,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:23,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2115207624, now seen corresponding path program 2 times [2022-02-18 15:38:23,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:23,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169879892] [2022-02-18 15:38:23,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:23,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:24,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:24,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169879892] [2022-02-18 15:38:24,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169879892] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:38:24,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640190617] [2022-02-18 15:38:24,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:38:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:38:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:38:24,331 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:38:24,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-02-18 15:38:24,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 15:38:24,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:38:24,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-18 15:38:24,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:38:25,463 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:38:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:38:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,604 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:38:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,661 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:38:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,727 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-02-18 15:38:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:38:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,784 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:38:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,812 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:38:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:25,914 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-02-18 15:38:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:25,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:38:28,375 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) is different from false [2022-02-18 15:38:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 1 not checked. [2022-02-18 15:38:28,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640190617] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:38:28,946 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:38:28,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 15] total 42 [2022-02-18 15:38:28,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63751608] [2022-02-18 15:38:28,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:38:28,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-18 15:38:28,947 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:28,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-18 15:38:28,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1534, Unknown=1, NotChecked=80, Total=1806 [2022-02-18 15:38:28,948 INFO L87 Difference]: Start difference. First operand 7787 states and 15678 transitions. Second operand has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:32,262 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0) (= |c_ULTIMATE.start_main_~i~2#1| 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| 1) (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) (<= 1 (div |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28)) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.offset| 0) (<= 0 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|)) is different from false [2022-02-18 15:38:34,919 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0) (= |c_ULTIMATE.start_main_~i~2#1| 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| 1) (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) (<= 1 (div |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28)) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.offset| 0) (<= 0 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (<= 0 |c_t_funThread1of1ForFork0_#t~post34#1|)) is different from false [2022-02-18 15:38:38,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:38,046 INFO L93 Difference]: Finished difference Result 25428 states and 50901 transitions. [2022-02-18 15:38:38,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-02-18 15:38:38,046 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-18 15:38:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:38,079 INFO L225 Difference]: With dead ends: 25428 [2022-02-18 15:38:38,079 INFO L226 Difference]: Without dead ends: 25428 [2022-02-18 15:38:38,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4239 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=2122, Invalid=11929, Unknown=3, NotChecked=708, Total=14762 [2022-02-18 15:38:38,081 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 3151 mSDsluCounter, 6621 mSDsCounter, 0 mSdLazyCounter, 6093 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 7089 SdHoareTripleChecker+Invalid, 9907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 6093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3623 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:38,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3151 Valid, 7089 Invalid, 9907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 6093 Invalid, 0 Unknown, 3623 Unchecked, 2.9s Time] [2022-02-18 15:38:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25428 states. [2022-02-18 15:38:38,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25428 to 7928. [2022-02-18 15:38:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7915 states have (on average 2.0169298799747315) internal successors, (15964), 7927 states have internal predecessors, (15964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 15964 transitions. [2022-02-18 15:38:38,228 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 15964 transitions. Word has length 134 [2022-02-18 15:38:38,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:38,228 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 15964 transitions. [2022-02-18 15:38:38,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 15964 transitions. [2022-02-18 15:38:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-18 15:38:38,231 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:38,231 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:38,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-02-18 15:38:38,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:38:38,432 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-18 15:38:38,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:38,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1383721042, now seen corresponding path program 3 times [2022-02-18 15:38:38,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:38,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050254935] [2022-02-18 15:38:38,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:38,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:38,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:38,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050254935] [2022-02-18 15:38:38,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050254935] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:38:38,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182504302] [2022-02-18 15:38:38,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 15:38:38,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:38:38,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:38:38,903 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 15:38:38,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-02-18 15:38:39,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-18 15:38:39,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:38:39,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-18 15:38:39,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:38:39,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-18 15:38:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,074 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-18 15:38:40,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-18 15:38:40,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,173 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-02-18 15:38:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,194 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-18 15:38:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,255 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:38:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,284 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:38:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,312 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-18 15:38:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 15:38:40,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 88 [2022-02-18 15:38:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:46,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:38:58,763 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-02-18 15:38:58,764 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 45069 treesize of output 45061 [2022-02-18 15:39:00,226 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-18 15:39:00,227 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38008 treesize of output 38000 [2022-02-18 15:39:00,390 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-18 15:39:00,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-02-18 15:39:00,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2022-02-18 15:39:00,595 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Should have been eliminated by DER at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:154) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:110) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:90) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:904) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-18 15:39:00,599 INFO L158 Benchmark]: Toolchain (without parser) took 210241.28ms. Allocated memory was 176.2MB in the beginning and 595.6MB in the end (delta: 419.4MB). Free memory was 126.0MB in the beginning and 473.2MB in the end (delta: -347.2MB). Peak memory consumption was 350.6MB. Max. memory is 8.0GB. [2022-02-18 15:39:00,599 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 144.3MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:39:00,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.17ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 138.9MB in the end (delta: -13.2MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-02-18 15:39:00,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.60ms. Allocated memory is still 176.2MB. Free memory was 138.6MB in the beginning and 136.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:39:00,599 INFO L158 Benchmark]: Boogie Preprocessor took 49.51ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:39:00,600 INFO L158 Benchmark]: RCFGBuilder took 474.82ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 117.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-18 15:39:00,600 INFO L158 Benchmark]: TraceAbstraction took 209073.12ms. Allocated memory was 176.2MB in the beginning and 595.6MB in the end (delta: 419.4MB). Free memory was 117.2MB in the beginning and 473.2MB in the end (delta: -356.0MB). Peak memory consumption was 341.5MB. Max. memory is 8.0GB. [2022-02-18 15:39:00,600 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 176.2MB. Free memory was 144.4MB in the beginning and 144.3MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 568.17ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 138.9MB in the end (delta: -13.2MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.60ms. Allocated memory is still 176.2MB. Free memory was 138.6MB in the beginning and 136.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.51ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 474.82ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 117.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 209073.12ms. Allocated memory was 176.2MB in the beginning and 595.6MB in the end (delta: 419.4MB). Free memory was 117.2MB in the beginning and 473.2MB in the end (delta: -356.0MB). Peak memory consumption was 341.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Should have been eliminated by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Should have been eliminated by DER: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-18 15:39:00,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...