/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-4b0ab11 [2022-03-01 16:49:05,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:49:05,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:49:06,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:49:06,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 16:49:06,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 16:49:06,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 16:49:06,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 16:49:06,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 16:49:06,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 16:49:06,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 16:49:06,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 16:49:06,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 16:49:06,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 16:49:06,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 16:49:06,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 16:49:06,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-01 16:49:06,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-01 16:49:06,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-01 16:49:06,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-01 16:49:06,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-01 16:49:06,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-01 16:49:06,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:49:06,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:49:06,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:49:06,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:49:06,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:49:06,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:49:06,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:49:06,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:49:06,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:49:06,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:49:06,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:49:06,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:49:06,063 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:49:06,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:49:06,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:49:06,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:49:06,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:49:06,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:49:06,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:49:06,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:49:06,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:06,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:49:06,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:49:06,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:49:06,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:49:06,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:49:06,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:49:06,289 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:49:06,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-03-01 16:49:06,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850cb6f72/f4c2d24ed3b54b66a3dfef2faca2d184/FLAG01bab21d3 [2022-03-01 16:49:06,742 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:49:06,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-03-01 16:49:06,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850cb6f72/f4c2d24ed3b54b66a3dfef2faca2d184/FLAG01bab21d3 [2022-03-01 16:49:07,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850cb6f72/f4c2d24ed3b54b66a3dfef2faca2d184 [2022-03-01 16:49:07,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:49:07,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:49:07,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:07,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:49:07,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:49:07,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd5a275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07, skipping insertion in model container [2022-03-01 16:49:07,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:49:07,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:49:07,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:07,515 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:49:07,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:07,580 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:49:07,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07 WrapperNode [2022-03-01 16:49:07,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:07,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:07,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:49:07,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:49:07,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,647 INFO L137 Inliner]: procedures = 262, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-03-01 16:49:07,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:07,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:49:07,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:49:07,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:49:07,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:49:07,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:49:07,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:49:07,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:49:07,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (1/1) ... [2022-03-01 16:49:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:07,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:49:07,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:49:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:49:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:49:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:49:07,738 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:49:07,901 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:49:07,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:49:08,085 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:49:08,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:49:08,090 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-01 16:49:08,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:08 BoogieIcfgContainer [2022-03-01 16:49:08,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:49:08,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:49:08,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:49:08,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:49:08,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:49:07" (1/3) ... [2022-03-01 16:49:08,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d20a5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:08, skipping insertion in model container [2022-03-01 16:49:08,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:07" (2/3) ... [2022-03-01 16:49:08,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d20a5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:08, skipping insertion in model container [2022-03-01 16:49:08,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:08" (3/3) ... [2022-03-01 16:49:08,112 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2022-03-01 16:49:08,116 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:49:08,116 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:49:08,116 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-03-01 16:49:08,116 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:49:08,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:08,217 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:49:08,256 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:49:08,261 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:49:08,261 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-03-01 16:49:08,273 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 125 transitions, 255 flow [2022-03-01 16:49:08,348 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) [2022-03-01 16:49:08,353 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) [2022-03-01 16:49:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-01 16:49:08,364 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:08,364 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] [2022-03-01 16:49:08,365 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)] === [2022-03-01 16:49:08,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:08,368 INFO L85 PathProgramCache]: Analyzing trace with hash 397060765, now seen corresponding path program 1 times [2022-03-01 16:49:08,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:08,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948678297] [2022-03-01 16:49:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:08,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:08,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:08,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948678297] [2022-03-01 16:49:08,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948678297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:08,520 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:08,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:49:08,521 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54393224] [2022-03-01 16:49:08,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:08,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:49:08,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:08,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:49:08,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:08,553 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) [2022-03-01 16:49:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:08,596 INFO L93 Difference]: Finished difference Result 2213 states and 4404 transitions. [2022-03-01 16:49:08,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:49:08,598 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 [2022-03-01 16:49:08,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:08,626 INFO L225 Difference]: With dead ends: 2213 [2022-03-01 16:49:08,626 INFO L226 Difference]: Without dead ends: 2213 [2022-03-01 16:49:08,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:08,631 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 [2022-03-01 16:49:08,632 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] [2022-03-01 16:49:08,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-03-01 16:49:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-03-01 16:49:08,751 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) [2022-03-01 16:49:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4404 transitions. [2022-03-01 16:49:08,758 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4404 transitions. Word has length 29 [2022-03-01 16:49:08,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:08,759 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4404 transitions. [2022-03-01 16:49:08,759 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) [2022-03-01 16:49:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4404 transitions. [2022-03-01 16:49:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-01 16:49:08,763 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:08,763 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] [2022-03-01 16:49:08,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:49:08,764 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)] === [2022-03-01 16:49:08,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1657093153, now seen corresponding path program 1 times [2022-03-01 16:49:08,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:08,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894135905] [2022-03-01 16:49:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:08,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:08,838 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:08,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894135905] [2022-03-01 16:49:08,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894135905] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:08,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:08,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:49:08,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444323967] [2022-03-01 16:49:08,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:08,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:49:08,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:08,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:49:08,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:08,843 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) [2022-03-01 16:49:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:08,884 INFO L93 Difference]: Finished difference Result 2217 states and 4408 transitions. [2022-03-01 16:49:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:49:08,884 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 [2022-03-01 16:49:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:08,892 INFO L225 Difference]: With dead ends: 2217 [2022-03-01 16:49:08,892 INFO L226 Difference]: Without dead ends: 2217 [2022-03-01 16:49:08,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:08,893 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 [2022-03-01 16:49:08,894 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] [2022-03-01 16:49:08,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-03-01 16:49:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2214. [2022-03-01 16:49:08,943 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) [2022-03-01 16:49:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 4405 transitions. [2022-03-01 16:49:08,951 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 4405 transitions. Word has length 29 [2022-03-01 16:49:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:08,952 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 4405 transitions. [2022-03-01 16:49:08,952 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) [2022-03-01 16:49:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 4405 transitions. [2022-03-01 16:49:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-01 16:49:08,955 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:08,955 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] [2022-03-01 16:49:08,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:49:08,956 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)] === [2022-03-01 16:49:08,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1891473138, now seen corresponding path program 1 times [2022-03-01 16:49:08,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:08,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949048461] [2022-03-01 16:49:08,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:08,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:09,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:09,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949048461] [2022-03-01 16:49:09,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949048461] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:09,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594697185] [2022-03-01 16:49:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:09,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:09,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:09,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:09,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:49:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:09,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-01 16:49:09,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:49:09,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:09,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594697185] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:09,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:09,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-01 16:49:09,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901637835] [2022-03-01 16:49:09,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:09,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:49:09,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:09,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:49:09,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:09,173 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) [2022-03-01 16:49:09,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:09,198 INFO L93 Difference]: Finished difference Result 3324 states and 6625 transitions. [2022-03-01 16:49:09,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:49:09,198 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 [2022-03-01 16:49:09,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:09,208 INFO L225 Difference]: With dead ends: 3324 [2022-03-01 16:49:09,208 INFO L226 Difference]: Without dead ends: 3324 [2022-03-01 16:49:09,209 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 [2022-03-01 16:49:09,209 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 [2022-03-01 16:49:09,209 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] [2022-03-01 16:49:09,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2022-03-01 16:49:09,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2251. [2022-03-01 16:49:09,247 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) [2022-03-01 16:49:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 4479 transitions. [2022-03-01 16:49:09,252 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 4479 transitions. Word has length 34 [2022-03-01 16:49:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:09,252 INFO L470 AbstractCegarLoop]: Abstraction has 2251 states and 4479 transitions. [2022-03-01 16:49:09,252 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) [2022-03-01 16:49:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 4479 transitions. [2022-03-01 16:49:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-01 16:49:09,253 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:09,253 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] [2022-03-01 16:49:09,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:09,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:09,472 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)] === [2022-03-01 16:49:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1317859348, now seen corresponding path program 1 times [2022-03-01 16:49:09,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:09,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882986203] [2022-03-01 16:49:09,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:09,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:09,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882986203] [2022-03-01 16:49:09,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882986203] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:09,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434656878] [2022-03-01 16:49:09,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:09,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:09,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:09,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:09,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:49:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:09,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:49:09,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:09,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:09,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434656878] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:09,735 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:09,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:49:09,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155701893] [2022-03-01 16:49:09,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:09,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:09,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:09,737 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) [2022-03-01 16:49:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:09,804 INFO L93 Difference]: Finished difference Result 2261 states and 4489 transitions. [2022-03-01 16:49:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:09,807 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 [2022-03-01 16:49:09,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:09,860 INFO L225 Difference]: With dead ends: 2261 [2022-03-01 16:49:09,860 INFO L226 Difference]: Without dead ends: 2261 [2022-03-01 16:49:09,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:09,861 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 [2022-03-01 16:49:09,861 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] [2022-03-01 16:49:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2022-03-01 16:49:09,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2022-03-01 16:49:09,911 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) [2022-03-01 16:49:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 4489 transitions. [2022-03-01 16:49:09,916 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 4489 transitions. Word has length 40 [2022-03-01 16:49:09,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:09,916 INFO L470 AbstractCegarLoop]: Abstraction has 2261 states and 4489 transitions. [2022-03-01 16:49:09,916 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) [2022-03-01 16:49:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4489 transitions. [2022-03-01 16:49:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-01 16:49:09,917 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:09,917 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] [2022-03-01 16:49:09,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:10,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-01 16:49:10,148 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)] === [2022-03-01 16:49:10,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:10,148 INFO L85 PathProgramCache]: Analyzing trace with hash -626594124, now seen corresponding path program 2 times [2022-03-01 16:49:10,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:10,149 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303825215] [2022-03-01 16:49:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:10,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:10,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:10,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303825215] [2022-03-01 16:49:10,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303825215] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:10,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791538258] [2022-03-01 16:49:10,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:10,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:10,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:10,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:49:10,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:10,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:10,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:10,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:10,385 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 [2022-03-01 16:49:10,406 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-01 16:49:10,406 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 [2022-03-01 16:49:10,439 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-01 16:49:10,439 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 [2022-03-01 16:49:10,487 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-01 16:49:10,488 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 [2022-03-01 16:49:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:49:10,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:10,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791538258] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:10,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:10,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-01 16:49:10,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135748732] [2022-03-01 16:49:10,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:10,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:10,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:10,506 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) [2022-03-01 16:49:10,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:10,658 INFO L93 Difference]: Finished difference Result 2530 states and 5027 transitions. [2022-03-01 16:49:10,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:10,659 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 [2022-03-01 16:49:10,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:10,666 INFO L225 Difference]: With dead ends: 2530 [2022-03-01 16:49:10,667 INFO L226 Difference]: Without dead ends: 2530 [2022-03-01 16:49:10,667 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 [2022-03-01 16:49:10,667 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:10,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 470 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:10,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-03-01 16:49:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2394. [2022-03-01 16:49:10,701 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) [2022-03-01 16:49:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 4755 transitions. [2022-03-01 16:49:10,707 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 4755 transitions. Word has length 50 [2022-03-01 16:49:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:10,707 INFO L470 AbstractCegarLoop]: Abstraction has 2394 states and 4755 transitions. [2022-03-01 16:49:10,707 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) [2022-03-01 16:49:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 4755 transitions. [2022-03-01 16:49:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-01 16:49:10,708 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:10,708 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] [2022-03-01 16:49:10,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 16:49:10,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:10,927 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)] === [2022-03-01 16:49:10,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:10,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1030322137, now seen corresponding path program 1 times [2022-03-01 16:49:10,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:10,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512271785] [2022-03-01 16:49:10,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:10,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:11,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:11,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512271785] [2022-03-01 16:49:11,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512271785] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:11,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211822568] [2022-03-01 16:49:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:11,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:11,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:11,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:11,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:49:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:11,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:49:11,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:11,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:11,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211822568] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:11,298 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:11,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-01 16:49:11,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268767124] [2022-03-01 16:49:11,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:11,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:49:11,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:11,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:49:11,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:11,300 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) [2022-03-01 16:49:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:11,419 INFO L93 Difference]: Finished difference Result 2414 states and 4775 transitions. [2022-03-01 16:49:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:49:11,419 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 [2022-03-01 16:49:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:11,427 INFO L225 Difference]: With dead ends: 2414 [2022-03-01 16:49:11,427 INFO L226 Difference]: Without dead ends: 2414 [2022-03-01 16:49:11,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:49:11,428 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 [2022-03-01 16:49:11,428 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] [2022-03-01 16:49:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-03-01 16:49:11,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2414. [2022-03-01 16:49:11,462 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) [2022-03-01 16:49:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4775 transitions. [2022-03-01 16:49:11,469 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4775 transitions. Word has length 50 [2022-03-01 16:49:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:11,469 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4775 transitions. [2022-03-01 16:49:11,469 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) [2022-03-01 16:49:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4775 transitions. [2022-03-01 16:49:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-01 16:49:11,470 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:11,470 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] [2022-03-01 16:49:11,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:11,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:11,687 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)] === [2022-03-01 16:49:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:11,688 INFO L85 PathProgramCache]: Analyzing trace with hash -461165209, now seen corresponding path program 2 times [2022-03-01 16:49:11,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:11,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379334282] [2022-03-01 16:49:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:11,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:11,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379334282] [2022-03-01 16:49:11,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379334282] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:11,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208198339] [2022-03-01 16:49:11,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:11,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:11,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:11,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:11,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:49:11,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:11,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:11,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-01 16:49:11,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:12,068 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 [2022-03-01 16:49:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,094 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 [2022-03-01 16:49:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,131 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:49:12,132 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 [2022-03-01 16:49:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:12,170 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:49:12,171 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 [2022-03-01 16:49:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-01 16:49:12,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:12,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208198339] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:12,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:12,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-03-01 16:49:12,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087873979] [2022-03-01 16:49:12,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:12,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:12,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:12,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:12,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:49:12,197 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) [2022-03-01 16:49:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:12,751 INFO L93 Difference]: Finished difference Result 5208 states and 10363 transitions. [2022-03-01 16:49:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:12,752 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 [2022-03-01 16:49:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:12,767 INFO L225 Difference]: With dead ends: 5208 [2022-03-01 16:49:12,767 INFO L226 Difference]: Without dead ends: 5208 [2022-03-01 16:49:12,768 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 [2022-03-01 16:49:12,768 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:12,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 1156 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-03-01 16:49:12,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 3194. [2022-03-01 16:49:12,825 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) [2022-03-01 16:49:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6335 transitions. [2022-03-01 16:49:12,833 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6335 transitions. Word has length 70 [2022-03-01 16:49:12,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:12,833 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6335 transitions. [2022-03-01 16:49:12,833 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) [2022-03-01 16:49:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6335 transitions. [2022-03-01 16:49:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-01 16:49:12,834 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:12,834 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] [2022-03-01 16:49:12,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:13,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:13,052 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)] === [2022-03-01 16:49:13,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:13,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1158747276, now seen corresponding path program 1 times [2022-03-01 16:49:13,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:13,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590277803] [2022-03-01 16:49:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:13,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:13,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:13,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590277803] [2022-03-01 16:49:13,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590277803] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:13,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174459340] [2022-03-01 16:49:13,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:13,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:13,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:13,224 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) [2022-03-01 16:49:13,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 16:49:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:13,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-01 16:49:13,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:13,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:13,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174459340] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:13,584 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:13,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-01 16:49:13,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423325438] [2022-03-01 16:49:13,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:13,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:49:13,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:49:13,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:13,586 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) [2022-03-01 16:49:13,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:13,823 INFO L93 Difference]: Finished difference Result 3209 states and 6350 transitions. [2022-03-01 16:49:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:49:13,824 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 [2022-03-01 16:49:13,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:13,833 INFO L225 Difference]: With dead ends: 3209 [2022-03-01 16:49:13,833 INFO L226 Difference]: Without dead ends: 3209 [2022-03-01 16:49:13,834 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 [2022-03-01 16:49:13,834 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 45 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-01 16:49:13,835 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] [2022-03-01 16:49:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2022-03-01 16:49:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 3209. [2022-03-01 16:49:13,875 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) [2022-03-01 16:49:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 6350 transitions. [2022-03-01 16:49:13,881 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 6350 transitions. Word has length 78 [2022-03-01 16:49:13,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:13,882 INFO L470 AbstractCegarLoop]: Abstraction has 3209 states and 6350 transitions. [2022-03-01 16:49:13,882 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) [2022-03-01 16:49:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 6350 transitions. [2022-03-01 16:49:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-03-01 16:49:13,883 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:13,883 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] [2022-03-01 16:49:13,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:14,100 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 [2022-03-01 16:49:14,102 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)] === [2022-03-01 16:49:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:14,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1991683229, now seen corresponding path program 2 times [2022-03-01 16:49:14,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:14,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779320336] [2022-03-01 16:49:14,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:14,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:14,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:14,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779320336] [2022-03-01 16:49:14,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779320336] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:14,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:14,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:14,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146533191] [2022-03-01 16:49:14,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:14,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:14,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:14,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:14,225 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) [2022-03-01 16:49:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:14,361 INFO L93 Difference]: Finished difference Result 3447 states and 6826 transitions. [2022-03-01 16:49:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:14,362 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 [2022-03-01 16:49:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:14,374 INFO L225 Difference]: With dead ends: 3447 [2022-03-01 16:49:14,374 INFO L226 Difference]: Without dead ends: 3447 [2022-03-01 16:49:14,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:14,375 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:14,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 467 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-03-01 16:49:14,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3333. [2022-03-01 16:49:14,421 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) [2022-03-01 16:49:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 6598 transitions. [2022-03-01 16:49:14,428 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 6598 transitions. Word has length 93 [2022-03-01 16:49:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:14,428 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 6598 transitions. [2022-03-01 16:49:14,428 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) [2022-03-01 16:49:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 6598 transitions. [2022-03-01 16:49:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-03-01 16:49:14,432 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:14,433 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] [2022-03-01 16:49:14,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:49:14,433 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)] === [2022-03-01 16:49:14,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash 698436477, now seen corresponding path program 1 times [2022-03-01 16:49:14,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:14,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334963009] [2022-03-01 16:49:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:14,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:14,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334963009] [2022-03-01 16:49:14,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334963009] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:14,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:14,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:14,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344546681] [2022-03-01 16:49:14,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:14,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:14,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:14,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:14,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:14,516 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) [2022-03-01 16:49:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:14,826 INFO L93 Difference]: Finished difference Result 3744 states and 7420 transitions. [2022-03-01 16:49:14,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:14,826 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 [2022-03-01 16:49:14,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:14,833 INFO L225 Difference]: With dead ends: 3744 [2022-03-01 16:49:14,833 INFO L226 Difference]: Without dead ends: 3744 [2022-03-01 16:49:14,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:14,834 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 179 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-01 16:49:14,834 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] [2022-03-01 16:49:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-03-01 16:49:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3555. [2022-03-01 16:49:14,889 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) [2022-03-01 16:49:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 7042 transitions. [2022-03-01 16:49:14,897 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 7042 transitions. Word has length 93 [2022-03-01 16:49:14,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:14,897 INFO L470 AbstractCegarLoop]: Abstraction has 3555 states and 7042 transitions. [2022-03-01 16:49:14,898 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) [2022-03-01 16:49:14,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 7042 transitions. [2022-03-01 16:49:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:14,899 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:14,899 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] [2022-03-01 16:49:14,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:49:14,900 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)] === [2022-03-01 16:49:14,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2140772307, now seen corresponding path program 1 times [2022-03-01 16:49:14,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:14,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496472823] [2022-03-01 16:49:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:15,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:15,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496472823] [2022-03-01 16:49:15,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496472823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:15,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:15,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:15,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058321014] [2022-03-01 16:49:15,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:15,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:15,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:15,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:15,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:15,146 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) [2022-03-01 16:49:15,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:15,998 INFO L93 Difference]: Finished difference Result 10906 states and 21701 transitions. [2022-03-01 16:49:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:49:15,999 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 [2022-03-01 16:49:15,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:16,017 INFO L225 Difference]: With dead ends: 10906 [2022-03-01 16:49:16,018 INFO L226 Difference]: Without dead ends: 10906 [2022-03-01 16:49:16,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2022-03-01 16:49:16,018 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 1458 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:16,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 1112 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-03-01 16:49:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 3614. [2022-03-01 16:49:16,104 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) [2022-03-01 16:49:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 7122 transitions. [2022-03-01 16:49:16,110 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 7122 transitions. Word has length 105 [2022-03-01 16:49:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:16,110 INFO L470 AbstractCegarLoop]: Abstraction has 3614 states and 7122 transitions. [2022-03-01 16:49:16,110 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) [2022-03-01 16:49:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 7122 transitions. [2022-03-01 16:49:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:16,112 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:16,112 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] [2022-03-01 16:49:16,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:49:16,112 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)] === [2022-03-01 16:49:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:16,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2141977043, now seen corresponding path program 2 times [2022-03-01 16:49:16,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:16,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155771250] [2022-03-01 16:49:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:16,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:16,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:16,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155771250] [2022-03-01 16:49:16,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155771250] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:16,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663288404] [2022-03-01 16:49:16,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:16,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:16,348 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) [2022-03-01 16:49:16,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 16:49:16,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:16,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:16,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:16,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:16,658 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 [2022-03-01 16:49:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:16,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:16,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663288404] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:16,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:16,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:16,712 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21865177] [2022-03-01 16:49:16,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:16,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:16,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:16,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:16,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:16,713 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) [2022-03-01 16:49:17,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:17,323 INFO L93 Difference]: Finished difference Result 10114 states and 20103 transitions. [2022-03-01 16:49:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:17,324 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 [2022-03-01 16:49:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:17,343 INFO L225 Difference]: With dead ends: 10114 [2022-03-01 16:49:17,343 INFO L226 Difference]: Without dead ends: 10114 [2022-03-01 16:49:17,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2022-03-01 16:49:17,344 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 931 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:17,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 1446 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10114 states. [2022-03-01 16:49:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10114 to 3652. [2022-03-01 16:49:17,419 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) [2022-03-01 16:49:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 7198 transitions. [2022-03-01 16:49:17,424 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 7198 transitions. Word has length 105 [2022-03-01 16:49:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:17,425 INFO L470 AbstractCegarLoop]: Abstraction has 3652 states and 7198 transitions. [2022-03-01 16:49:17,425 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) [2022-03-01 16:49:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 7198 transitions. [2022-03-01 16:49:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:17,426 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:17,426 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:17,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:17,643 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 [2022-03-01 16:49:17,644 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)] === [2022-03-01 16:49:17,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:17,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1328247691, now seen corresponding path program 3 times [2022-03-01 16:49:17,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:17,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469412016] [2022-03-01 16:49:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:17,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:17,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:17,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469412016] [2022-03-01 16:49:17,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469412016] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:17,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777173252] [2022-03-01 16:49:17,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:49:17,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:17,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:17,898 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) [2022-03-01 16:49:17,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 16:49:18,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 16:49:18,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:18,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:18,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:18,224 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 [2022-03-01 16:49:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:18,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:18,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777173252] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:18,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:18,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:18,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075592262] [2022-03-01 16:49:18,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:18,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:18,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:18,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:18,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:18,308 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) [2022-03-01 16:49:18,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:18,741 INFO L93 Difference]: Finished difference Result 7639 states and 15153 transitions. [2022-03-01 16:49:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:18,742 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 [2022-03-01 16:49:18,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:18,754 INFO L225 Difference]: With dead ends: 7639 [2022-03-01 16:49:18,754 INFO L226 Difference]: Without dead ends: 7639 [2022-03-01 16:49:18,755 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 [2022-03-01 16:49:18,755 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:18,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 1385 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2022-03-01 16:49:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 3709. [2022-03-01 16:49:18,814 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) [2022-03-01 16:49:18,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3709 states and 7312 transitions. [2022-03-01 16:49:18,820 INFO L78 Accepts]: Start accepts. Automaton has 3709 states and 7312 transitions. Word has length 105 [2022-03-01 16:49:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:18,820 INFO L470 AbstractCegarLoop]: Abstraction has 3709 states and 7312 transitions. [2022-03-01 16:49:18,820 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) [2022-03-01 16:49:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 7312 transitions. [2022-03-01 16:49:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:18,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:18,822 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:18,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:19,041 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 [2022-03-01 16:49:19,041 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)] === [2022-03-01 16:49:19,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1254368373, now seen corresponding path program 4 times [2022-03-01 16:49:19,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:19,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276278370] [2022-03-01 16:49:19,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:19,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:19,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:19,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276278370] [2022-03-01 16:49:19,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276278370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:19,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:19,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:19,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763646883] [2022-03-01 16:49:19,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:19,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:19,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:19,255 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) [2022-03-01 16:49:20,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:20,028 INFO L93 Difference]: Finished difference Result 10742 states and 21354 transitions. [2022-03-01 16:49:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:20,028 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 [2022-03-01 16:49:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:20,045 INFO L225 Difference]: With dead ends: 10742 [2022-03-01 16:49:20,045 INFO L226 Difference]: Without dead ends: 10742 [2022-03-01 16:49:20,046 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 [2022-03-01 16:49:20,046 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 [2022-03-01 16:49:20,046 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] [2022-03-01 16:49:20,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10742 states. [2022-03-01 16:49:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10742 to 3753. [2022-03-01 16:49:20,122 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) [2022-03-01 16:49:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-03-01 16:49:20,128 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-03-01 16:49:20,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:20,128 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-03-01 16:49:20,128 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) [2022-03-01 16:49:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-03-01 16:49:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:20,130 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:20,130 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] [2022-03-01 16:49:20,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:49:20,130 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)] === [2022-03-01 16:49:20,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash 995038829, now seen corresponding path program 5 times [2022-03-01 16:49:20,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:20,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088398891] [2022-03-01 16:49:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:20,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:20,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088398891] [2022-03-01 16:49:20,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088398891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:20,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:20,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:20,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796557593] [2022-03-01 16:49:20,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:20,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:20,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:20,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:20,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:20,333 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) [2022-03-01 16:49:21,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:21,309 INFO L93 Difference]: Finished difference Result 11398 states and 22628 transitions. [2022-03-01 16:49:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:49:21,309 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 [2022-03-01 16:49:21,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:21,325 INFO L225 Difference]: With dead ends: 11398 [2022-03-01 16:49:21,325 INFO L226 Difference]: Without dead ends: 11398 [2022-03-01 16:49:21,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2022-03-01 16:49:21,325 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:21,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1213 Valid, 1510 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:21,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11398 states. [2022-03-01 16:49:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11398 to 3753. [2022-03-01 16:49:21,407 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) [2022-03-01 16:49:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-03-01 16:49:21,413 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-03-01 16:49:21,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:21,413 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-03-01 16:49:21,413 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) [2022-03-01 16:49:21,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-03-01 16:49:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:21,415 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:21,415 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] [2022-03-01 16:49:21,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:49:21,415 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)] === [2022-03-01 16:49:21,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash -242221847, now seen corresponding path program 6 times [2022-03-01 16:49:21,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:21,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977929132] [2022-03-01 16:49:21,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:21,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:21,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:21,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977929132] [2022-03-01 16:49:21,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977929132] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:21,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442575149] [2022-03-01 16:49:21,585 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 16:49:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:21,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:21,586 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) [2022-03-01 16:49:21,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-01 16:49:21,672 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-01 16:49:21,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:21,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:21,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:21,927 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 [2022-03-01 16:49:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:21,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:21,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442575149] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:21,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:21,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:21,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441121002] [2022-03-01 16:49:21,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:21,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:21,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:21,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:21,992 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) [2022-03-01 16:49:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:23,073 INFO L93 Difference]: Finished difference Result 12415 states and 24633 transitions. [2022-03-01 16:49:23,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:49:23,073 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 [2022-03-01 16:49:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:23,090 INFO L225 Difference]: With dead ends: 12415 [2022-03-01 16:49:23,090 INFO L226 Difference]: Without dead ends: 12415 [2022-03-01 16:49:23,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:23,091 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 1163 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:23,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 1968 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:23,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2022-03-01 16:49:23,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 3753. [2022-03-01 16:49:23,173 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) [2022-03-01 16:49:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-03-01 16:49:23,180 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-03-01 16:49:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:23,180 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-03-01 16:49:23,180 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) [2022-03-01 16:49:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-03-01 16:49:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:23,183 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:23,183 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:23,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:23,399 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 [2022-03-01 16:49:23,399 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)] === [2022-03-01 16:49:23,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1512891989, now seen corresponding path program 7 times [2022-03-01 16:49:23,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:23,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439868069] [2022-03-01 16:49:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:23,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:23,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439868069] [2022-03-01 16:49:23,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439868069] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:23,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319884558] [2022-03-01 16:49:23,604 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:49:23,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:23,605 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) [2022-03-01 16:49:23,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-01 16:49:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:23,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:23,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:23,941 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 [2022-03-01 16:49:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:24,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:24,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319884558] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:24,053 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:24,053 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:24,053 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486870616] [2022-03-01 16:49:24,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:24,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:24,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:24,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:24,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:24,054 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) [2022-03-01 16:49:24,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:24,779 INFO L93 Difference]: Finished difference Result 12372 states and 24614 transitions. [2022-03-01 16:49:24,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:49:24,780 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 [2022-03-01 16:49:24,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:24,798 INFO L225 Difference]: With dead ends: 12372 [2022-03-01 16:49:24,798 INFO L226 Difference]: Without dead ends: 12372 [2022-03-01 16:49:24,798 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 [2022-03-01 16:49:24,799 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1039 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:24,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1039 Valid, 1818 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:24,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12372 states. [2022-03-01 16:49:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12372 to 3765. [2022-03-01 16:49:24,884 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) [2022-03-01 16:49:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-03-01 16:49:24,890 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-03-01 16:49:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:24,890 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-03-01 16:49:24,890 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) [2022-03-01 16:49:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-03-01 16:49:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:24,892 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:24,892 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] [2022-03-01 16:49:24,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:25,107 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 [2022-03-01 16:49:25,108 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)] === [2022-03-01 16:49:25,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:25,108 INFO L85 PathProgramCache]: Analyzing trace with hash 329331063, now seen corresponding path program 8 times [2022-03-01 16:49:25,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:25,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941318941] [2022-03-01 16:49:25,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:25,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:25,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:25,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941318941] [2022-03-01 16:49:25,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941318941] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:25,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919742178] [2022-03-01 16:49:25,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:25,309 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) [2022-03-01 16:49:25,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-01 16:49:25,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:25,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:25,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:25,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:25,668 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 [2022-03-01 16:49:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:25,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:25,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919742178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:25,744 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:25,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:25,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546884946] [2022-03-01 16:49:25,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:25,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:25,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:25,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:25,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:25,745 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) [2022-03-01 16:49:26,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:26,763 INFO L93 Difference]: Finished difference Result 13667 states and 27166 transitions. [2022-03-01 16:49:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:49:26,764 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 [2022-03-01 16:49:26,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:26,785 INFO L225 Difference]: With dead ends: 13667 [2022-03-01 16:49:26,785 INFO L226 Difference]: Without dead ends: 13667 [2022-03-01 16:49:26,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=305, Invalid=1417, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:26,787 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 [2022-03-01 16:49:26,787 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] [2022-03-01 16:49:26,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-03-01 16:49:26,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 3763. [2022-03-01 16:49:26,885 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) [2022-03-01 16:49:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 7420 transitions. [2022-03-01 16:49:26,892 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 7420 transitions. Word has length 105 [2022-03-01 16:49:26,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:26,893 INFO L470 AbstractCegarLoop]: Abstraction has 3763 states and 7420 transitions. [2022-03-01 16:49:26,893 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) [2022-03-01 16:49:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 7420 transitions. [2022-03-01 16:49:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:26,895 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:26,895 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] [2022-03-01 16:49:26,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:27,107 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 [2022-03-01 16:49:27,107 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)] === [2022-03-01 16:49:27,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:27,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1169606955, now seen corresponding path program 9 times [2022-03-01 16:49:27,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:27,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344070742] [2022-03-01 16:49:27,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:27,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:27,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:27,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344070742] [2022-03-01 16:49:27,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344070742] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:27,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:27,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:27,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435992449] [2022-03-01 16:49:27,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:27,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:27,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:27,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:27,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:27,329 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) [2022-03-01 16:49:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:28,438 INFO L93 Difference]: Finished difference Result 12700 states and 25213 transitions. [2022-03-01 16:49:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:49:28,438 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 [2022-03-01 16:49:28,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:28,456 INFO L225 Difference]: With dead ends: 12700 [2022-03-01 16:49:28,457 INFO L226 Difference]: Without dead ends: 12700 [2022-03-01 16:49:28,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2022-03-01 16:49:28,457 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1259 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:28,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1259 Valid, 1745 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:28,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12700 states. [2022-03-01 16:49:28,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12700 to 3765. [2022-03-01 16:49:28,544 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) [2022-03-01 16:49:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-03-01 16:49:28,550 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-03-01 16:49:28,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:28,550 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-03-01 16:49:28,550 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) [2022-03-01 16:49:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-03-01 16:49:28,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:28,554 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:28,554 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] [2022-03-01 16:49:28,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:49:28,554 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)] === [2022-03-01 16:49:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:28,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1170811691, now seen corresponding path program 10 times [2022-03-01 16:49:28,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:28,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171290823] [2022-03-01 16:49:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:28,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:28,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:28,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171290823] [2022-03-01 16:49:28,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171290823] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:28,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245301686] [2022-03-01 16:49:28,729 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 16:49:28,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:28,731 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) [2022-03-01 16:49:28,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-01 16:49:28,924 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 16:49:28,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:28,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-01 16:49:28,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:29,090 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 [2022-03-01 16:49:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:29,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:29,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245301686] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:29,126 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:29,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-01 16:49:29,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404212107] [2022-03-01 16:49:29,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:29,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:49:29,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:29,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:49:29,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:29,128 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) [2022-03-01 16:49:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:29,792 INFO L93 Difference]: Finished difference Result 13250 states and 26322 transitions. [2022-03-01 16:49:29,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:49:29,792 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 [2022-03-01 16:49:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:29,809 INFO L225 Difference]: With dead ends: 13250 [2022-03-01 16:49:29,809 INFO L226 Difference]: Without dead ends: 13250 [2022-03-01 16:49:29,810 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 [2022-03-01 16:49:29,810 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 1188 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:29,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 2168 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:29,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13250 states. [2022-03-01 16:49:29,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13250 to 3759. [2022-03-01 16:49:29,891 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) [2022-03-01 16:49:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 7412 transitions. [2022-03-01 16:49:29,896 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 7412 transitions. Word has length 105 [2022-03-01 16:49:29,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:29,896 INFO L470 AbstractCegarLoop]: Abstraction has 3759 states and 7412 transitions. [2022-03-01 16:49:29,897 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) [2022-03-01 16:49:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 7412 transitions. [2022-03-01 16:49:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:29,898 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:29,899 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] [2022-03-01 16:49:29,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:30,112 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 [2022-03-01 16:49:30,112 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)] === [2022-03-01 16:49:30,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:30,113 INFO L85 PathProgramCache]: Analyzing trace with hash -250583287, now seen corresponding path program 11 times [2022-03-01 16:49:30,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:30,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726427368] [2022-03-01 16:49:30,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:30,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:30,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:30,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726427368] [2022-03-01 16:49:30,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726427368] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:30,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:30,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:30,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516349181] [2022-03-01 16:49:30,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:30,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:30,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:30,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:30,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:30,324 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) [2022-03-01 16:49:30,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:30,952 INFO L93 Difference]: Finished difference Result 10658 states and 21186 transitions. [2022-03-01 16:49:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:30,952 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 [2022-03-01 16:49:30,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:30,964 INFO L225 Difference]: With dead ends: 10658 [2022-03-01 16:49:30,965 INFO L226 Difference]: Without dead ends: 10658 [2022-03-01 16:49:30,965 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 [2022-03-01 16:49:30,966 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:30,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 1559 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2022-03-01 16:49:31,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 3764. [2022-03-01 16:49:31,035 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) [2022-03-01 16:49:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 7422 transitions. [2022-03-01 16:49:31,040 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 7422 transitions. Word has length 105 [2022-03-01 16:49:31,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:31,040 INFO L470 AbstractCegarLoop]: Abstraction has 3764 states and 7422 transitions. [2022-03-01 16:49:31,040 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) [2022-03-01 16:49:31,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 7422 transitions. [2022-03-01 16:49:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:31,043 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:31,043 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] [2022-03-01 16:49:31,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 16:49:31,043 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)] === [2022-03-01 16:49:31,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:31,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1591639765, now seen corresponding path program 12 times [2022-03-01 16:49:31,044 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:31,044 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511598934] [2022-03-01 16:49:31,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:31,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:31,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:31,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511598934] [2022-03-01 16:49:31,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511598934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:31,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:31,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:31,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691747266] [2022-03-01 16:49:31,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:31,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:31,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:31,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:31,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:31,210 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) [2022-03-01 16:49:32,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:32,034 INFO L93 Difference]: Finished difference Result 10302 states and 20436 transitions. [2022-03-01 16:49:32,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:49:32,035 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 [2022-03-01 16:49:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:32,048 INFO L225 Difference]: With dead ends: 10302 [2022-03-01 16:49:32,048 INFO L226 Difference]: Without dead ends: 10302 [2022-03-01 16:49:32,048 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 [2022-03-01 16:49:32,049 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1124 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:32,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 1601 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10302 states. [2022-03-01 16:49:32,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10302 to 3762. [2022-03-01 16:49:32,119 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) [2022-03-01 16:49:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 7418 transitions. [2022-03-01 16:49:32,124 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 7418 transitions. Word has length 105 [2022-03-01 16:49:32,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:32,124 INFO L470 AbstractCegarLoop]: Abstraction has 3762 states and 7418 transitions. [2022-03-01 16:49:32,125 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) [2022-03-01 16:49:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 7418 transitions. [2022-03-01 16:49:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:32,126 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:32,127 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:32,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 16:49:32,127 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)] === [2022-03-01 16:49:32,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash -683316785, now seen corresponding path program 13 times [2022-03-01 16:49:32,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:32,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526190071] [2022-03-01 16:49:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:32,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:32,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:32,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526190071] [2022-03-01 16:49:32,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526190071] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:32,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9305408] [2022-03-01 16:49:32,328 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:49:32,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:32,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:32,329 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) [2022-03-01 16:49:32,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-01 16:49:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:32,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:32,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:32,629 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 [2022-03-01 16:49:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:32,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:32,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9305408] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:32,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:32,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:32,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320554414] [2022-03-01 16:49:32,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:32,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:32,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:32,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:32,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:32,723 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) [2022-03-01 16:49:33,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:33,088 INFO L93 Difference]: Finished difference Result 6888 states and 13651 transitions. [2022-03-01 16:49:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:33,088 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 [2022-03-01 16:49:33,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:33,097 INFO L225 Difference]: With dead ends: 6888 [2022-03-01 16:49:33,097 INFO L226 Difference]: Without dead ends: 6888 [2022-03-01 16:49:33,097 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 [2022-03-01 16:49:33,098 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 538 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-01 16:49:33,098 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] [2022-03-01 16:49:33,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6888 states. [2022-03-01 16:49:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6888 to 3819. [2022-03-01 16:49:33,145 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) [2022-03-01 16:49:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 7532 transitions. [2022-03-01 16:49:33,150 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 7532 transitions. Word has length 105 [2022-03-01 16:49:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:33,150 INFO L470 AbstractCegarLoop]: Abstraction has 3819 states and 7532 transitions. [2022-03-01 16:49:33,150 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) [2022-03-01 16:49:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 7532 transitions. [2022-03-01 16:49:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:33,152 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:33,152 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] [2022-03-01 16:49:33,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-03-01 16:49:33,369 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 [2022-03-01 16:49:33,370 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)] === [2022-03-01 16:49:33,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:33,370 INFO L85 PathProgramCache]: Analyzing trace with hash 953131453, now seen corresponding path program 14 times [2022-03-01 16:49:33,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:33,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57731481] [2022-03-01 16:49:33,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:33,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:33,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57731481] [2022-03-01 16:49:33,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57731481] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:33,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276977191] [2022-03-01 16:49:33,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:33,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:33,580 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) [2022-03-01 16:49:33,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-01 16:49:33,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:33,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:33,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:33,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:33,837 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 [2022-03-01 16:49:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:33,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:33,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276977191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:33,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:33,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:33,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672892238] [2022-03-01 16:49:33,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:33,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:33,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:33,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:33,963 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) [2022-03-01 16:49:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:34,421 INFO L93 Difference]: Finished difference Result 7489 states and 14848 transitions. [2022-03-01 16:49:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:34,421 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 [2022-03-01 16:49:34,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:34,430 INFO L225 Difference]: With dead ends: 7489 [2022-03-01 16:49:34,430 INFO L226 Difference]: Without dead ends: 7489 [2022-03-01 16:49:34,431 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 [2022-03-01 16:49:34,431 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:34,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 1456 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2022-03-01 16:49:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 3855. [2022-03-01 16:49:34,482 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) [2022-03-01 16:49:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-03-01 16:49:34,487 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-03-01 16:49:34,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:34,487 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-03-01 16:49:34,487 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) [2022-03-01 16:49:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-03-01 16:49:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:34,489 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:34,489 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] [2022-03-01 16:49:34,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-03-01 16:49:34,701 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 [2022-03-01 16:49:34,701 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)] === [2022-03-01 16:49:34,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:34,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2066174343, now seen corresponding path program 15 times [2022-03-01 16:49:34,701 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:34,701 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695591298] [2022-03-01 16:49:34,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:34,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:34,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:34,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695591298] [2022-03-01 16:49:34,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695591298] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:34,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264924787] [2022-03-01 16:49:34,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:49:34,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:34,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:34,981 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) [2022-03-01 16:49:34,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-01 16:49:35,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 16:49:35,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:35,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:35,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:35,277 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 [2022-03-01 16:49:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:35,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:35,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264924787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:35,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:35,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:35,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60047122] [2022-03-01 16:49:35,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:35,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:35,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:35,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:35,399 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) [2022-03-01 16:49:35,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:35,905 INFO L93 Difference]: Finished difference Result 7446 states and 14748 transitions. [2022-03-01 16:49:35,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:35,905 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 [2022-03-01 16:49:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:35,914 INFO L225 Difference]: With dead ends: 7446 [2022-03-01 16:49:35,914 INFO L226 Difference]: Without dead ends: 7446 [2022-03-01 16:49:35,914 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 [2022-03-01 16:49:35,914 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 [2022-03-01 16:49:35,915 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] [2022-03-01 16:49:35,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2022-03-01 16:49:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3858. [2022-03-01 16:49:35,964 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) [2022-03-01 16:49:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 7610 transitions. [2022-03-01 16:49:35,969 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 7610 transitions. Word has length 105 [2022-03-01 16:49:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:35,969 INFO L470 AbstractCegarLoop]: Abstraction has 3858 states and 7610 transitions. [2022-03-01 16:49:35,969 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) [2022-03-01 16:49:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 7610 transitions. [2022-03-01 16:49:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:35,970 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:35,971 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] [2022-03-01 16:49:35,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:36,174 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 [2022-03-01 16:49:36,175 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)] === [2022-03-01 16:49:36,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:36,175 INFO L85 PathProgramCache]: Analyzing trace with hash -397331165, now seen corresponding path program 16 times [2022-03-01 16:49:36,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:36,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875902720] [2022-03-01 16:49:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:36,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:36,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:36,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875902720] [2022-03-01 16:49:36,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875902720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:36,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:36,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:36,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32072879] [2022-03-01 16:49:36,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:36,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:36,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:36,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:36,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:36,361 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) [2022-03-01 16:49:37,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:37,086 INFO L93 Difference]: Finished difference Result 9241 states and 18333 transitions. [2022-03-01 16:49:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:49:37,087 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 [2022-03-01 16:49:37,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:37,099 INFO L225 Difference]: With dead ends: 9241 [2022-03-01 16:49:37,099 INFO L226 Difference]: Without dead ends: 9241 [2022-03-01 16:49:37,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:49:37,100 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 996 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:37,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [996 Valid, 1653 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9241 states. [2022-03-01 16:49:37,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9241 to 3860. [2022-03-01 16:49:37,186 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) [2022-03-01 16:49:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 7614 transitions. [2022-03-01 16:49:37,191 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 7614 transitions. Word has length 105 [2022-03-01 16:49:37,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:37,191 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 7614 transitions. [2022-03-01 16:49:37,191 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) [2022-03-01 16:49:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 7614 transitions. [2022-03-01 16:49:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:37,192 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:37,193 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:37,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 16:49:37,193 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)] === [2022-03-01 16:49:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:37,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1444891887, now seen corresponding path program 17 times [2022-03-01 16:49:37,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:37,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92238204] [2022-03-01 16:49:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:37,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:37,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:37,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92238204] [2022-03-01 16:49:37,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92238204] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:37,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118978432] [2022-03-01 16:49:37,434 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 16:49:37,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:37,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:37,435 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) [2022-03-01 16:49:37,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-01 16:49:37,589 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-01 16:49:37,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:37,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:37,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:37,810 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 [2022-03-01 16:49:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:37,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:37,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118978432] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:37,869 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:37,869 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:37,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100879255] [2022-03-01 16:49:37,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:37,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:37,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:37,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:37,870 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) [2022-03-01 16:49:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:38,870 INFO L93 Difference]: Finished difference Result 8162 states and 16156 transitions. [2022-03-01 16:49:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:49:38,870 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 [2022-03-01 16:49:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:38,879 INFO L225 Difference]: With dead ends: 8162 [2022-03-01 16:49:38,879 INFO L226 Difference]: Without dead ends: 8162 [2022-03-01 16:49:38,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=330, Invalid=1392, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:49:38,880 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1276 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:38,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 1813 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8162 states. [2022-03-01 16:49:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8162 to 3855. [2022-03-01 16:49:38,940 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) [2022-03-01 16:49:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-03-01 16:49:38,944 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-03-01 16:49:38,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:38,944 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-03-01 16:49:38,944 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) [2022-03-01 16:49:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-03-01 16:49:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:38,946 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:38,946 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] [2022-03-01 16:49:38,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:39,157 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 [2022-03-01 16:49:39,157 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)] === [2022-03-01 16:49:39,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1422414237, now seen corresponding path program 18 times [2022-03-01 16:49:39,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:39,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857669961] [2022-03-01 16:49:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:39,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:39,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857669961] [2022-03-01 16:49:39,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857669961] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:39,346 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:39,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:39,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304479609] [2022-03-01 16:49:39,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:39,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:39,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:39,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:39,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:39,347 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) [2022-03-01 16:49:39,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:39,866 INFO L93 Difference]: Finished difference Result 7798 states and 15433 transitions. [2022-03-01 16:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:39,866 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 [2022-03-01 16:49:39,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:39,875 INFO L225 Difference]: With dead ends: 7798 [2022-03-01 16:49:39,875 INFO L226 Difference]: Without dead ends: 7798 [2022-03-01 16:49:39,876 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 [2022-03-01 16:49:39,876 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 [2022-03-01 16:49:39,876 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] [2022-03-01 16:49:39,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2022-03-01 16:49:39,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 3864. [2022-03-01 16:49:39,931 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) [2022-03-01 16:49:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 7622 transitions. [2022-03-01 16:49:39,936 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 7622 transitions. Word has length 105 [2022-03-01 16:49:39,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:39,937 INFO L470 AbstractCegarLoop]: Abstraction has 3864 states and 7622 transitions. [2022-03-01 16:49:39,937 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) [2022-03-01 16:49:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 7622 transitions. [2022-03-01 16:49:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:39,938 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:39,938 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] [2022-03-01 16:49:39,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 16:49:39,939 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)] === [2022-03-01 16:49:39,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:39,939 INFO L85 PathProgramCache]: Analyzing trace with hash 246428941, now seen corresponding path program 19 times [2022-03-01 16:49:39,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:39,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314730499] [2022-03-01 16:49:39,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:40,129 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:40,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314730499] [2022-03-01 16:49:40,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314730499] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:40,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346764078] [2022-03-01 16:49:40,129 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:49:40,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:40,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:40,130 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) [2022-03-01 16:49:40,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-01 16:49:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:40,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:40,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:40,456 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 [2022-03-01 16:49:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:40,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:40,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346764078] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:40,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:40,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:40,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634408407] [2022-03-01 16:49:40,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:40,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:40,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:40,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:40,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:40,560 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) [2022-03-01 16:49:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:41,278 INFO L93 Difference]: Finished difference Result 10886 states and 21585 transitions. [2022-03-01 16:49:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:49:41,279 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 [2022-03-01 16:49:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:41,293 INFO L225 Difference]: With dead ends: 10886 [2022-03-01 16:49:41,293 INFO L226 Difference]: Without dead ends: 10886 [2022-03-01 16:49:41,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2022-03-01 16:49:41,294 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 [2022-03-01 16:49:41,294 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] [2022-03-01 16:49:41,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-03-01 16:49:41,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 3866. [2022-03-01 16:49:41,360 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) [2022-03-01 16:49:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 7626 transitions. [2022-03-01 16:49:41,365 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 7626 transitions. Word has length 105 [2022-03-01 16:49:41,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:41,365 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 7626 transitions. [2022-03-01 16:49:41,365 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) [2022-03-01 16:49:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 7626 transitions. [2022-03-01 16:49:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:41,366 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:41,366 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] [2022-03-01 16:49:41,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:41,571 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 [2022-03-01 16:49:41,571 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)] === [2022-03-01 16:49:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:41,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2088651993, now seen corresponding path program 20 times [2022-03-01 16:49:41,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:41,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487113625] [2022-03-01 16:49:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:41,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:41,752 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:41,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:41,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487113625] [2022-03-01 16:49:41,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487113625] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:41,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897931501] [2022-03-01 16:49:41,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:41,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:41,753 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) [2022-03-01 16:49:41,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-01 16:49:41,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:41,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:41,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:41,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:42,120 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 [2022-03-01 16:49:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:42,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:42,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897931501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:42,178 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:42,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:42,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108632602] [2022-03-01 16:49:42,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:42,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:42,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:42,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:42,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:42,179 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) [2022-03-01 16:49:43,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:43,140 INFO L93 Difference]: Finished difference Result 9807 states and 19408 transitions. [2022-03-01 16:49:43,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:49:43,140 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 [2022-03-01 16:49:43,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:43,151 INFO L225 Difference]: With dead ends: 9807 [2022-03-01 16:49:43,151 INFO L226 Difference]: Without dead ends: 9807 [2022-03-01 16:49:43,152 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 [2022-03-01 16:49:43,152 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 1205 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:43,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1205 Valid, 1821 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:43,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2022-03-01 16:49:43,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 3861. [2022-03-01 16:49:43,211 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) [2022-03-01 16:49:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 7616 transitions. [2022-03-01 16:49:43,216 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 7616 transitions. Word has length 105 [2022-03-01 16:49:43,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:43,216 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 7616 transitions. [2022-03-01 16:49:43,216 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) [2022-03-01 16:49:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 7616 transitions. [2022-03-01 16:49:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:43,218 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:43,218 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] [2022-03-01 16:49:43,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:43,418 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 [2022-03-01 16:49:43,418 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)] === [2022-03-01 16:49:43,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:43,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1543292729, now seen corresponding path program 21 times [2022-03-01 16:49:43,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:43,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206710632] [2022-03-01 16:49:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:43,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:43,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206710632] [2022-03-01 16:49:43,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206710632] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:43,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:43,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:43,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652463979] [2022-03-01 16:49:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:43,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:43,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:43,578 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) [2022-03-01 16:49:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:44,394 INFO L93 Difference]: Finished difference Result 10607 states and 21041 transitions. [2022-03-01 16:49:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:49:44,394 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 [2022-03-01 16:49:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:44,407 INFO L225 Difference]: With dead ends: 10607 [2022-03-01 16:49:44,407 INFO L226 Difference]: Without dead ends: 10607 [2022-03-01 16:49:44,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:49:44,408 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 [2022-03-01 16:49:44,408 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] [2022-03-01 16:49:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10607 states. [2022-03-01 16:49:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10607 to 3867. [2022-03-01 16:49:44,468 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) [2022-03-01 16:49:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 7628 transitions. [2022-03-01 16:49:44,472 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 7628 transitions. Word has length 105 [2022-03-01 16:49:44,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:44,472 INFO L470 AbstractCegarLoop]: Abstraction has 3867 states and 7628 transitions. [2022-03-01 16:49:44,472 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) [2022-03-01 16:49:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 7628 transitions. [2022-03-01 16:49:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:44,473 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:44,474 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] [2022-03-01 16:49:44,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 16:49:44,474 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)] === [2022-03-01 16:49:44,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:44,474 INFO L85 PathProgramCache]: Analyzing trace with hash 298930323, now seen corresponding path program 22 times [2022-03-01 16:49:44,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:44,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442691907] [2022-03-01 16:49:44,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:44,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:44,677 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:44,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442691907] [2022-03-01 16:49:44,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442691907] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:44,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893310587] [2022-03-01 16:49:44,677 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 16:49:44,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:44,679 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) [2022-03-01 16:49:44,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-01 16:49:44,848 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 16:49:44,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:44,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-01 16:49:44,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:45,025 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 13 treesize of output 9 [2022-03-01 16:49:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:45,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:45,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893310587] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:45,060 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:45,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-01 16:49:45,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402897163] [2022-03-01 16:49:45,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:45,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:49:45,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:45,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:49:45,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:45,061 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) [2022-03-01 16:49:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:46,027 INFO L93 Difference]: Finished difference Result 12510 states and 24809 transitions. [2022-03-01 16:49:46,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-01 16:49:46,027 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 [2022-03-01 16:49:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:46,045 INFO L225 Difference]: With dead ends: 12510 [2022-03-01 16:49:46,045 INFO L226 Difference]: Without dead ends: 12510 [2022-03-01 16:49:46,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=394, Invalid=1862, Unknown=0, NotChecked=0, Total=2256 [2022-03-01 16:49:46,046 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:46,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 2129 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:46,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2022-03-01 16:49:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 3865. [2022-03-01 16:49:46,122 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) [2022-03-01 16:49:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 7624 transitions. [2022-03-01 16:49:46,127 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 7624 transitions. Word has length 105 [2022-03-01 16:49:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:46,127 INFO L470 AbstractCegarLoop]: Abstraction has 3865 states and 7624 transitions. [2022-03-01 16:49:46,127 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) [2022-03-01 16:49:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 7624 transitions. [2022-03-01 16:49:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:46,129 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:46,129 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] [2022-03-01 16:49:46,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-03-01 16:49:46,329 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 [2022-03-01 16:49:46,329 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)] === [2022-03-01 16:49:46,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:46,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1139206215, now seen corresponding path program 23 times [2022-03-01 16:49:46,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:46,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528321316] [2022-03-01 16:49:46,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:46,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:46,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:46,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528321316] [2022-03-01 16:49:46,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528321316] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:46,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634660160] [2022-03-01 16:49:46,500 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 16:49:46,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:46,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:46,501 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) [2022-03-01 16:49:46,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-01 16:49:46,663 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-01 16:49:46,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:46,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:46,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:46,909 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 [2022-03-01 16:49:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:46,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:46,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634660160] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:46,975 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:46,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:46,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855822738] [2022-03-01 16:49:46,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:46,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:46,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:46,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:46,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:46,976 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) [2022-03-01 16:49:48,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:48,093 INFO L93 Difference]: Finished difference Result 9555 states and 18918 transitions. [2022-03-01 16:49:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:49:48,093 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 [2022-03-01 16:49:48,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:48,105 INFO L225 Difference]: With dead ends: 9555 [2022-03-01 16:49:48,105 INFO L226 Difference]: Without dead ends: 9555 [2022-03-01 16:49:48,105 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 [2022-03-01 16:49:48,106 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 1173 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:48,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 1967 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9555 states. [2022-03-01 16:49:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9555 to 3855. [2022-03-01 16:49:48,161 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) [2022-03-01 16:49:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-03-01 16:49:48,166 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-03-01 16:49:48,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:48,166 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-03-01 16:49:48,166 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) [2022-03-01 16:49:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-03-01 16:49:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:48,168 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:48,168 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] [2022-03-01 16:49:48,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:48,368 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 [2022-03-01 16:49:48,368 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)] === [2022-03-01 16:49:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:48,369 INFO L85 PathProgramCache]: Analyzing trace with hash -4003655, now seen corresponding path program 24 times [2022-03-01 16:49:48,369 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:48,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211534085] [2022-03-01 16:49:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:48,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:48,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:48,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211534085] [2022-03-01 16:49:48,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211534085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:48,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:48,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:48,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590675224] [2022-03-01 16:49:48,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:48,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:48,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:48,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:48,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:48,568 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) [2022-03-01 16:49:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:49,526 INFO L93 Difference]: Finished difference Result 12064 states and 23979 transitions. [2022-03-01 16:49:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:49:49,526 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 [2022-03-01 16:49:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:49,541 INFO L225 Difference]: With dead ends: 12064 [2022-03-01 16:49:49,541 INFO L226 Difference]: Without dead ends: 12064 [2022-03-01 16:49:49,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-01 16:49:49,542 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1351 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:49,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 1529 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states. [2022-03-01 16:49:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 3878. [2022-03-01 16:49:49,613 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) [2022-03-01 16:49:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 7650 transitions. [2022-03-01 16:49:49,617 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 7650 transitions. Word has length 105 [2022-03-01 16:49:49,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:49,617 INFO L470 AbstractCegarLoop]: Abstraction has 3878 states and 7650 transitions. [2022-03-01 16:49:49,617 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) [2022-03-01 16:49:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 7650 transitions. [2022-03-01 16:49:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:49,618 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:49,618 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] [2022-03-01 16:49:49,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 16:49:49,619 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)] === [2022-03-01 16:49:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2798919, now seen corresponding path program 25 times [2022-03-01 16:49:49,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:49,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064801247] [2022-03-01 16:49:49,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:49,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:49,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:49,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064801247] [2022-03-01 16:49:49,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064801247] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:49,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902943020] [2022-03-01 16:49:49,806 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:49:49,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:49,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:49,807 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) [2022-03-01 16:49:49,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-01 16:49:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:49,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:49,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:50,169 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 [2022-03-01 16:49:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:50,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:50,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902943020] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:50,217 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:50,217 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:50,217 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955856109] [2022-03-01 16:49:50,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:50,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:50,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:50,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:50,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:50,220 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) [2022-03-01 16:49:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:50,777 INFO L93 Difference]: Finished difference Result 11272 states and 22381 transitions. [2022-03-01 16:49:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:50,777 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 [2022-03-01 16:49:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:50,791 INFO L225 Difference]: With dead ends: 11272 [2022-03-01 16:49:50,791 INFO L226 Difference]: Without dead ends: 11272 [2022-03-01 16:49:50,791 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 [2022-03-01 16:49:50,791 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 [2022-03-01 16:49:50,792 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] [2022-03-01 16:49:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states. [2022-03-01 16:49:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 3876. [2022-03-01 16:49:50,853 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) [2022-03-01 16:49:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 7646 transitions. [2022-03-01 16:49:50,857 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 7646 transitions. Word has length 105 [2022-03-01 16:49:50,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:50,857 INFO L470 AbstractCegarLoop]: Abstraction has 3876 states and 7646 transitions. [2022-03-01 16:49:50,857 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) [2022-03-01 16:49:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 7646 transitions. [2022-03-01 16:49:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:50,859 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:50,859 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] [2022-03-01 16:49:50,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-03-01 16:49:51,059 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 [2022-03-01 16:49:51,060 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)] === [2022-03-01 16:49:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash 821943643, now seen corresponding path program 26 times [2022-03-01 16:49:51,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:51,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363450620] [2022-03-01 16:49:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:51,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:51,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363450620] [2022-03-01 16:49:51,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363450620] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:51,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727672674] [2022-03-01 16:49:51,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:51,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:51,237 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) [2022-03-01 16:49:51,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-01 16:49:51,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:51,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:51,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:51,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:51,611 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 [2022-03-01 16:49:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:51,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:51,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727672674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:51,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:51,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:51,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393796643] [2022-03-01 16:49:51,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:51,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:51,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:51,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:51,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:51,674 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) [2022-03-01 16:49:52,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:52,074 INFO L93 Difference]: Finished difference Result 8797 states and 17431 transitions. [2022-03-01 16:49:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:52,074 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 [2022-03-01 16:49:52,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:52,084 INFO L225 Difference]: With dead ends: 8797 [2022-03-01 16:49:52,084 INFO L226 Difference]: Without dead ends: 8797 [2022-03-01 16:49:52,084 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 [2022-03-01 16:49:52,085 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 660 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-01 16:49:52,085 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] [2022-03-01 16:49:52,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8797 states. [2022-03-01 16:49:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8797 to 3873. [2022-03-01 16:49:52,134 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) [2022-03-01 16:49:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 7640 transitions. [2022-03-01 16:49:52,138 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 7640 transitions. Word has length 105 [2022-03-01 16:49:52,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:52,138 INFO L470 AbstractCegarLoop]: Abstraction has 3873 states and 7640 transitions. [2022-03-01 16:49:52,138 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) [2022-03-01 16:49:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 7640 transitions. [2022-03-01 16:49:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:52,140 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:52,140 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] [2022-03-01 16:49:52,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:52,355 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 [2022-03-01 16:49:52,356 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)] === [2022-03-01 16:49:52,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:52,356 INFO L85 PathProgramCache]: Analyzing trace with hash 895822961, now seen corresponding path program 27 times [2022-03-01 16:49:52,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:52,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266072565] [2022-03-01 16:49:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:52,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:52,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:52,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266072565] [2022-03-01 16:49:52,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266072565] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:52,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373638627] [2022-03-01 16:49:52,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:49:52,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:52,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:52,536 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) [2022-03-01 16:49:52,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-01 16:49:52,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 16:49:52,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:52,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:52,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:52,897 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 [2022-03-01 16:49:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:52,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:52,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373638627] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:52,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:52,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:52,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160184327] [2022-03-01 16:49:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:52,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:52,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:52,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:52,970 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) [2022-03-01 16:49:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:53,644 INFO L93 Difference]: Finished difference Result 11900 states and 23632 transitions. [2022-03-01 16:49:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:49:53,645 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 [2022-03-01 16:49:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:53,659 INFO L225 Difference]: With dead ends: 11900 [2022-03-01 16:49:53,659 INFO L226 Difference]: Without dead ends: 11900 [2022-03-01 16:49:53,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2022-03-01 16:49:53,660 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1044 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:53,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1044 Valid, 1903 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11900 states. [2022-03-01 16:49:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11900 to 3879. [2022-03-01 16:49:53,731 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) [2022-03-01 16:49:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 7652 transitions. [2022-03-01 16:49:53,736 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 7652 transitions. Word has length 105 [2022-03-01 16:49:53,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:53,736 INFO L470 AbstractCegarLoop]: Abstraction has 3879 states and 7652 transitions. [2022-03-01 16:49:53,736 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) [2022-03-01 16:49:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 7652 transitions. [2022-03-01 16:49:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:53,738 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:53,738 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] [2022-03-01 16:49:53,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-03-01 16:49:53,949 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 [2022-03-01 16:49:53,949 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)] === [2022-03-01 16:49:53,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:53,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1149737133, now seen corresponding path program 28 times [2022-03-01 16:49:53,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:53,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971301351] [2022-03-01 16:49:53,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:53,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:54,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:54,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971301351] [2022-03-01 16:49:54,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971301351] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:54,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351620768] [2022-03-01 16:49:54,127 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 16:49:54,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:54,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:54,132 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) [2022-03-01 16:49:54,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-03-01 16:49:54,330 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 16:49:54,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:54,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-01 16:49:54,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:54,521 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 [2022-03-01 16:49:54,631 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 [2022-03-01 16:49:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,660 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 [2022-03-01 16:49:54,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,702 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 [2022-03-01 16:49:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:49:54,750 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 [2022-03-01 16:49:54,786 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 [2022-03-01 16:49:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:54,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:54,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351620768] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:54,797 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:54,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 15 [2022-03-01 16:49:54,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279077045] [2022-03-01 16:49:54,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:54,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-01 16:49:54,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-01 16:49:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:49:54,799 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) [2022-03-01 16:49:56,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:56,599 INFO L93 Difference]: Finished difference Result 12532 states and 24859 transitions. [2022-03-01 16:49:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-01 16:49:56,599 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 [2022-03-01 16:49:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:56,615 INFO L225 Difference]: With dead ends: 12532 [2022-03-01 16:49:56,615 INFO L226 Difference]: Without dead ends: 12532 [2022-03-01 16:49:56,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=588, Invalid=1668, Unknown=0, NotChecked=0, Total=2256 [2022-03-01 16:49:56,616 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 1242 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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 [2022-03-01 16:49:56,616 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] [2022-03-01 16:49:56,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12532 states. [2022-03-01 16:49:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12532 to 4187. [2022-03-01 16:49:56,693 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) [2022-03-01 16:49:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-03-01 16:49:56,699 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-03-01 16:49:56,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:56,699 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-03-01 16:49:56,699 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) [2022-03-01 16:49:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-03-01 16:49:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:56,701 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:56,701 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] [2022-03-01 16:49:56,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:56,901 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 [2022-03-01 16:49:56,902 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)] === [2022-03-01 16:49:56,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:56,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1907969487, now seen corresponding path program 29 times [2022-03-01 16:49:56,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:56,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750031891] [2022-03-01 16:49:56,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:56,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:57,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:57,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750031891] [2022-03-01 16:49:57,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750031891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:57,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:57,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:57,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264240932] [2022-03-01 16:49:57,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:57,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:57,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:57,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:57,068 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) [2022-03-01 16:49:58,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:58,104 INFO L93 Difference]: Finished difference Result 14744 states and 29258 transitions. [2022-03-01 16:49:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:49:58,105 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 [2022-03-01 16:49:58,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:58,124 INFO L225 Difference]: With dead ends: 14744 [2022-03-01 16:49:58,124 INFO L226 Difference]: Without dead ends: 14744 [2022-03-01 16:49:58,124 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 [2022-03-01 16:49:58,125 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:58,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 1786 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14744 states. [2022-03-01 16:49:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14744 to 4189. [2022-03-01 16:49:58,209 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) [2022-03-01 16:49:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-03-01 16:49:58,214 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-03-01 16:49:58,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:58,214 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-03-01 16:49:58,214 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) [2022-03-01 16:49:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-03-01 16:49:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:58,216 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:58,216 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] [2022-03-01 16:49:58,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 16:49:58,216 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)] === [2022-03-01 16:49:58,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:58,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1909174223, now seen corresponding path program 30 times [2022-03-01 16:49:58,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:58,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195054771] [2022-03-01 16:49:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:58,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:58,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195054771] [2022-03-01 16:49:58,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195054771] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:58,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486166578] [2022-03-01 16:49:58,388 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 16:49:58,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:58,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:58,392 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) [2022-03-01 16:49:58,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-03-01 16:49:58,553 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-01 16:49:58,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:58,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:49:58,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:58,760 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 [2022-03-01 16:49:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:58,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:58,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486166578] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:58,808 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:58,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:49:58,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163892305] [2022-03-01 16:49:58,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:58,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:58,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:58,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:58,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:58,809 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) [2022-03-01 16:49:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,397 INFO L93 Difference]: Finished difference Result 11839 states and 23480 transitions. [2022-03-01 16:49:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:49:59,397 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 [2022-03-01 16:49:59,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,410 INFO L225 Difference]: With dead ends: 11839 [2022-03-01 16:49:59,411 INFO L226 Difference]: Without dead ends: 11839 [2022-03-01 16:49:59,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-03-01 16:49:59,411 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 [2022-03-01 16:49:59,411 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] [2022-03-01 16:49:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11839 states. [2022-03-01 16:49:59,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11839 to 4187. [2022-03-01 16:49:59,474 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) [2022-03-01 16:49:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-03-01 16:49:59,478 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-03-01 16:49:59,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:59,479 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-03-01 16:49:59,479 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) [2022-03-01 16:49:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-03-01 16:49:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:49:59,480 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:59,480 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] [2022-03-01 16:49:59,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-03-01 16:49:59,680 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 [2022-03-01 16:49:59,681 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)] === [2022-03-01 16:49:59,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:59,681 INFO L85 PathProgramCache]: Analyzing trace with hash 637299345, now seen corresponding path program 31 times [2022-03-01 16:49:59,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:59,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679636915] [2022-03-01 16:49:59,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:59,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:49:59,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679636915] [2022-03-01 16:49:59,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679636915] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:59,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129850287] [2022-03-01 16:49:59,901 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:49:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:59,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:59,902 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) [2022-03-01 16:49:59,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-03-01 16:50:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:00,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:00,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:00,250 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 [2022-03-01 16:50:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:00,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:00,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129850287] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:00,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:00,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:00,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942722298] [2022-03-01 16:50:00,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:00,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:00,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:00,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:00,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:00,349 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) [2022-03-01 16:50:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,994 INFO L93 Difference]: Finished difference Result 12734 states and 25313 transitions. [2022-03-01 16:50:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:50:00,995 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 [2022-03-01 16:50:00,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:01,041 INFO L225 Difference]: With dead ends: 12734 [2022-03-01 16:50:01,041 INFO L226 Difference]: Without dead ends: 12734 [2022-03-01 16:50:01,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2022-03-01 16:50:01,042 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 918 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-01 16:50:01,042 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] [2022-03-01 16:50:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12734 states. [2022-03-01 16:50:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12734 to 4197. [2022-03-01 16:50:01,121 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) [2022-03-01 16:50:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 8301 transitions. [2022-03-01 16:50:01,126 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 8301 transitions. Word has length 105 [2022-03-01 16:50:01,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:01,126 INFO L470 AbstractCegarLoop]: Abstraction has 4197 states and 8301 transitions. [2022-03-01 16:50:01,126 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) [2022-03-01 16:50:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 8301 transitions. [2022-03-01 16:50:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:01,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:01,128 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] [2022-03-01 16:50:01,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-03-01 16:50:01,328 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 [2022-03-01 16:50:01,329 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)] === [2022-03-01 16:50:01,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:01,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1815444899, now seen corresponding path program 32 times [2022-03-01 16:50:01,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:01,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270393149] [2022-03-01 16:50:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:01,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:01,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270393149] [2022-03-01 16:50:01,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270393149] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:01,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:01,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:50:01,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316294920] [2022-03-01 16:50:01,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:01,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:01,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:01,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:01,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:01,496 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) [2022-03-01 16:50:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:02,437 INFO L93 Difference]: Finished difference Result 13390 states and 26587 transitions. [2022-03-01 16:50:02,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:50:02,438 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 [2022-03-01 16:50:02,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:02,454 INFO L225 Difference]: With dead ends: 13390 [2022-03-01 16:50:02,454 INFO L226 Difference]: Without dead ends: 13390 [2022-03-01 16:50:02,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:50:02,454 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1335 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-03-01 16:50:02,455 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] [2022-03-01 16:50:02,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13390 states. [2022-03-01 16:50:02,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13390 to 4195. [2022-03-01 16:50:02,524 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) [2022-03-01 16:50:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-03-01 16:50:02,529 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-03-01 16:50:02,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:02,529 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-03-01 16:50:02,529 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) [2022-03-01 16:50:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-03-01 16:50:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:02,531 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:02,531 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] [2022-03-01 16:50:02,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-01 16:50:02,531 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)] === [2022-03-01 16:50:02,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:02,532 INFO L85 PathProgramCache]: Analyzing trace with hash -975169007, now seen corresponding path program 33 times [2022-03-01 16:50:02,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:02,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226786467] [2022-03-01 16:50:02,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:02,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:02,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:02,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226786467] [2022-03-01 16:50:02,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226786467] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:02,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153603549] [2022-03-01 16:50:02,699 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:50:02,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:02,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:02,700 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) [2022-03-01 16:50:02,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-03-01 16:50:02,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 16:50:02,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:02,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:02,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:03,105 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 [2022-03-01 16:50:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:03,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:03,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153603549] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:03,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:03,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:03,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046554546] [2022-03-01 16:50:03,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:03,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:03,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:03,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:03,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:03,173 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) [2022-03-01 16:50:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:04,093 INFO L93 Difference]: Finished difference Result 11961 states and 23710 transitions. [2022-03-01 16:50:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:04,094 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 [2022-03-01 16:50:04,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:04,109 INFO L225 Difference]: With dead ends: 11961 [2022-03-01 16:50:04,110 INFO L226 Difference]: Without dead ends: 11961 [2022-03-01 16:50:04,110 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 [2022-03-01 16:50:04,111 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 [2022-03-01 16:50:04,111 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] [2022-03-01 16:50:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11961 states. [2022-03-01 16:50:04,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11961 to 4191. [2022-03-01 16:50:04,196 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) [2022-03-01 16:50:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-03-01 16:50:04,202 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-03-01 16:50:04,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:04,202 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-03-01 16:50:04,202 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) [2022-03-01 16:50:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-03-01 16:50:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:04,204 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:04,204 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] [2022-03-01 16:50:04,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-03-01 16:50:04,404 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 [2022-03-01 16:50:04,405 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)] === [2022-03-01 16:50:04,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:04,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1899608047, now seen corresponding path program 34 times [2022-03-01 16:50:04,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:04,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799183020] [2022-03-01 16:50:04,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:04,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:04,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:04,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799183020] [2022-03-01 16:50:04,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799183020] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:04,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258795390] [2022-03-01 16:50:04,592 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 16:50:04,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:04,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:04,593 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) [2022-03-01 16:50:04,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-03-01 16:50:04,824 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 16:50:04,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:04,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-01 16:50:04,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:04,989 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 [2022-03-01 16:50:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:05,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:05,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258795390] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:05,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:05,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-01 16:50:05,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701893998] [2022-03-01 16:50:05,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:05,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:50:05,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:05,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:50:05,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:05,034 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) [2022-03-01 16:50:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:05,743 INFO L93 Difference]: Finished difference Result 13150 states and 26145 transitions. [2022-03-01 16:50:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:50:05,744 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 [2022-03-01 16:50:05,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:05,760 INFO L225 Difference]: With dead ends: 13150 [2022-03-01 16:50:05,760 INFO L226 Difference]: Without dead ends: 13150 [2022-03-01 16:50:05,761 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 [2022-03-01 16:50:05,761 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 [2022-03-01 16:50:05,761 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] [2022-03-01 16:50:05,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13150 states. [2022-03-01 16:50:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13150 to 4195. [2022-03-01 16:50:05,833 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) [2022-03-01 16:50:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-03-01 16:50:05,837 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-03-01 16:50:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:05,838 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-03-01 16:50:05,838 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) [2022-03-01 16:50:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-03-01 16:50:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:05,839 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:05,839 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] [2022-03-01 16:50:05,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2022-03-01 16:50:06,040 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 [2022-03-01 16:50:06,040 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)] === [2022-03-01 16:50:06,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:06,040 INFO L85 PathProgramCache]: Analyzing trace with hash -553136197, now seen corresponding path program 35 times [2022-03-01 16:50:06,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:06,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084844607] [2022-03-01 16:50:06,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:06,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:06,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:06,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084844607] [2022-03-01 16:50:06,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084844607] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:06,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415780963] [2022-03-01 16:50:06,260 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 16:50:06,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:06,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:06,261 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) [2022-03-01 16:50:06,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-03-01 16:50:06,448 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-01 16:50:06,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:06,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:06,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:06,668 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 [2022-03-01 16:50:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:06,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:06,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415780963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:06,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:06,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:06,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325556543] [2022-03-01 16:50:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:06,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:06,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:06,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:06,726 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) [2022-03-01 16:50:07,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:07,494 INFO L93 Difference]: Finished difference Result 11319 states and 22445 transitions. [2022-03-01 16:50:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:50:07,494 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 [2022-03-01 16:50:07,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:07,509 INFO L225 Difference]: With dead ends: 11319 [2022-03-01 16:50:07,509 INFO L226 Difference]: Without dead ends: 11319 [2022-03-01 16:50:07,510 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 [2022-03-01 16:50:07,510 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:07,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 1396 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:07,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-03-01 16:50:07,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 4193. [2022-03-01 16:50:07,583 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) [2022-03-01 16:50:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-03-01 16:50:07,588 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-03-01 16:50:07,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:07,588 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-03-01 16:50:07,588 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) [2022-03-01 16:50:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-03-01 16:50:07,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:07,590 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:07,590 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] [2022-03-01 16:50:07,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-03-01 16:50:07,790 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 [2022-03-01 16:50:07,790 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)] === [2022-03-01 16:50:07,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:07,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1466874549, now seen corresponding path program 36 times [2022-03-01 16:50:07,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:07,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617722422] [2022-03-01 16:50:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:07,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:07,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:07,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617722422] [2022-03-01 16:50:07,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617722422] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:07,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630592892] [2022-03-01 16:50:07,975 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 16:50:07,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:07,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:07,976 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) [2022-03-01 16:50:07,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-03-01 16:50:08,141 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-01 16:50:08,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:08,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:08,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:08,334 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 [2022-03-01 16:50:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:08,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:08,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630592892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:08,423 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:08,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:08,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269113318] [2022-03-01 16:50:08,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:08,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:08,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:08,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:08,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:08,424 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) [2022-03-01 16:50:08,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:08,764 INFO L93 Difference]: Finished difference Result 7323 states and 14496 transitions. [2022-03-01 16:50:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:08,764 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 [2022-03-01 16:50:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:08,772 INFO L225 Difference]: With dead ends: 7323 [2022-03-01 16:50:08,772 INFO L226 Difference]: Without dead ends: 7323 [2022-03-01 16:50:08,772 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 [2022-03-01 16:50:08,773 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:08,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1247 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:08,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-03-01 16:50:08,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 4177. [2022-03-01 16:50:08,820 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) [2022-03-01 16:50:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8261 transitions. [2022-03-01 16:50:08,825 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8261 transitions. Word has length 105 [2022-03-01 16:50:08,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:08,825 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8261 transitions. [2022-03-01 16:50:08,825 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) [2022-03-01 16:50:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8261 transitions. [2022-03-01 16:50:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:08,826 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:08,826 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] [2022-03-01 16:50:08,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-03-01 16:50:09,027 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 [2022-03-01 16:50:09,027 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)] === [2022-03-01 16:50:09,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:09,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1729425713, now seen corresponding path program 37 times [2022-03-01 16:50:09,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:09,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939362600] [2022-03-01 16:50:09,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:09,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:09,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939362600] [2022-03-01 16:50:09,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939362600] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:09,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054166213] [2022-03-01 16:50:09,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:50:09,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:09,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:09,200 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) [2022-03-01 16:50:09,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-03-01 16:50:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:09,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:09,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:09,614 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 [2022-03-01 16:50:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:09,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:09,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054166213] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:09,672 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:09,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:09,672 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367189010] [2022-03-01 16:50:09,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:09,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:09,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:09,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:09,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:09,673 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) [2022-03-01 16:50:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:10,644 INFO L93 Difference]: Finished difference Result 13882 states and 27628 transitions. [2022-03-01 16:50:10,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:10,644 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 [2022-03-01 16:50:10,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:10,661 INFO L225 Difference]: With dead ends: 13882 [2022-03-01 16:50:10,662 INFO L226 Difference]: Without dead ends: 13882 [2022-03-01 16:50:10,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=329, Invalid=1477, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 16:50:10,663 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 [2022-03-01 16:50:10,663 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] [2022-03-01 16:50:10,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13882 states. [2022-03-01 16:50:10,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13882 to 4189. [2022-03-01 16:50:10,753 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) [2022-03-01 16:50:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-03-01 16:50:10,758 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-03-01 16:50:10,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:10,758 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-03-01 16:50:10,758 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) [2022-03-01 16:50:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-03-01 16:50:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:10,759 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:10,759 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] [2022-03-01 16:50:10,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-03-01 16:50:10,959 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 [2022-03-01 16:50:10,960 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)] === [2022-03-01 16:50:10,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:10,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1665714967, now seen corresponding path program 38 times [2022-03-01 16:50:10,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:10,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440374723] [2022-03-01 16:50:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:10,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:11,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:11,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440374723] [2022-03-01 16:50:11,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440374723] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:11,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850932749] [2022-03-01 16:50:11,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:50:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:11,148 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) [2022-03-01 16:50:11,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-03-01 16:50:11,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:50:11,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:11,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:11,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:11,539 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 [2022-03-01 16:50:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:11,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:11,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850932749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:11,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:11,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:11,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960711078] [2022-03-01 16:50:11,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:11,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:11,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:11,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:11,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:11,616 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) [2022-03-01 16:50:12,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:12,281 INFO L93 Difference]: Finished difference Result 10772 states and 21389 transitions. [2022-03-01 16:50:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:50:12,282 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 [2022-03-01 16:50:12,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:12,295 INFO L225 Difference]: With dead ends: 10772 [2022-03-01 16:50:12,295 INFO L226 Difference]: Without dead ends: 10772 [2022-03-01 16:50:12,296 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 [2022-03-01 16:50:12,296 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 [2022-03-01 16:50:12,296 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] [2022-03-01 16:50:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-03-01 16:50:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 4195. [2022-03-01 16:50:12,360 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) [2022-03-01 16:50:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-03-01 16:50:12,365 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-03-01 16:50:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:12,365 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-03-01 16:50:12,366 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) [2022-03-01 16:50:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-03-01 16:50:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:12,367 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:12,367 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:12,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2022-03-01 16:50:12,567 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 [2022-03-01 16:50:12,567 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)] === [2022-03-01 16:50:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 583692235, now seen corresponding path program 39 times [2022-03-01 16:50:12,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:12,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640689364] [2022-03-01 16:50:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:12,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:12,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640689364] [2022-03-01 16:50:12,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640689364] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:12,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092502085] [2022-03-01 16:50:12,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:50:12,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:12,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:12,759 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) [2022-03-01 16:50:12,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-03-01 16:50:12,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 16:50:12,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:12,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:12,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:13,167 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 [2022-03-01 16:50:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:13,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:13,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092502085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:13,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:13,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:13,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762432618] [2022-03-01 16:50:13,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:13,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:13,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:13,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:13,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:13,230 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) [2022-03-01 16:50:14,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:14,269 INFO L93 Difference]: Finished difference Result 12067 states and 23941 transitions. [2022-03-01 16:50:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:14,270 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 [2022-03-01 16:50:14,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:14,285 INFO L225 Difference]: With dead ends: 12067 [2022-03-01 16:50:14,285 INFO L226 Difference]: Without dead ends: 12067 [2022-03-01 16:50:14,286 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 [2022-03-01 16:50:14,286 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1264 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:14,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1264 Valid, 1909 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12067 states. [2022-03-01 16:50:14,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12067 to 4193. [2022-03-01 16:50:14,357 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) [2022-03-01 16:50:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-03-01 16:50:14,361 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-03-01 16:50:14,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:14,362 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-03-01 16:50:14,362 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) [2022-03-01 16:50:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-03-01 16:50:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:14,363 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:14,363 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:14,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-03-01 16:50:14,563 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 [2022-03-01 16:50:14,564 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)] === [2022-03-01 16:50:14,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:14,564 INFO L85 PathProgramCache]: Analyzing trace with hash -653568441, now seen corresponding path program 40 times [2022-03-01 16:50:14,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:14,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691559080] [2022-03-01 16:50:14,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:14,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:14,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:14,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691559080] [2022-03-01 16:50:14,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691559080] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:14,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065656116] [2022-03-01 16:50:14,720 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 16:50:14,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:14,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:14,722 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) [2022-03-01 16:50:14,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-03-01 16:50:14,947 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 16:50:14,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:14,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-01 16:50:14,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:15,098 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 [2022-03-01 16:50:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:15,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:15,130 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065656116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:15,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:15,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-01 16:50:15,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595097605] [2022-03-01 16:50:15,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:15,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:50:15,131 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:15,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:50:15,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:15,131 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) [2022-03-01 16:50:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:16,066 INFO L93 Difference]: Finished difference Result 14687 states and 29157 transitions. [2022-03-01 16:50:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 16:50:16,067 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 [2022-03-01 16:50:16,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:16,085 INFO L225 Difference]: With dead ends: 14687 [2022-03-01 16:50:16,085 INFO L226 Difference]: Without dead ends: 14687 [2022-03-01 16:50:16,086 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 [2022-03-01 16:50:16,086 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 [2022-03-01 16:50:16,086 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] [2022-03-01 16:50:16,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14687 states. [2022-03-01 16:50:16,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14687 to 4183. [2022-03-01 16:50:16,170 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) [2022-03-01 16:50:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 8273 transitions. [2022-03-01 16:50:16,174 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 8273 transitions. Word has length 105 [2022-03-01 16:50:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:16,174 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 8273 transitions. [2022-03-01 16:50:16,174 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) [2022-03-01 16:50:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 8273 transitions. [2022-03-01 16:50:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:16,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:16,176 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:16,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-03-01 16:50:16,376 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 [2022-03-01 16:50:16,376 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)] === [2022-03-01 16:50:16,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:16,377 INFO L85 PathProgramCache]: Analyzing trace with hash 937596017, now seen corresponding path program 41 times [2022-03-01 16:50:16,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:16,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692771698] [2022-03-01 16:50:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:16,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:16,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:16,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692771698] [2022-03-01 16:50:16,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692771698] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:16,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:16,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:50:16,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880706636] [2022-03-01 16:50:16,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:16,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:16,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:16,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:16,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:16,546 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) [2022-03-01 16:50:17,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:17,512 INFO L93 Difference]: Finished difference Result 10889 states and 21642 transitions. [2022-03-01 16:50:17,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:17,512 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 [2022-03-01 16:50:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:17,527 INFO L225 Difference]: With dead ends: 10889 [2022-03-01 16:50:17,527 INFO L226 Difference]: Without dead ends: 10889 [2022-03-01 16:50:17,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2022-03-01 16:50:17,528 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:17,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1446 Valid, 1376 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:17,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10889 states. [2022-03-01 16:50:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10889 to 4191. [2022-03-01 16:50:17,598 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) [2022-03-01 16:50:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-03-01 16:50:17,604 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-03-01 16:50:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:17,604 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-03-01 16:50:17,604 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) [2022-03-01 16:50:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-03-01 16:50:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:17,605 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:17,606 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] [2022-03-01 16:50:17,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-01 16:50:17,606 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)] === [2022-03-01 16:50:17,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:17,606 INFO L85 PathProgramCache]: Analyzing trace with hash 938800753, now seen corresponding path program 42 times [2022-03-01 16:50:17,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:17,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280552523] [2022-03-01 16:50:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:17,796 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:17,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280552523] [2022-03-01 16:50:17,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280552523] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:17,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904812151] [2022-03-01 16:50:17,796 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 16:50:17,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:17,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:17,797 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) [2022-03-01 16:50:17,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-03-01 16:50:17,992 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-01 16:50:17,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:17,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:17,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:18,213 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 [2022-03-01 16:50:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:18,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:18,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904812151] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:18,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:18,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:18,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796954973] [2022-03-01 16:50:18,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:18,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:18,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:18,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:18,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:18,258 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) [2022-03-01 16:50:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:18,852 INFO L93 Difference]: Finished difference Result 10097 states and 20044 transitions. [2022-03-01 16:50:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:50:18,852 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 [2022-03-01 16:50:18,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:18,864 INFO L225 Difference]: With dead ends: 10097 [2022-03-01 16:50:18,864 INFO L226 Difference]: Without dead ends: 10097 [2022-03-01 16:50:18,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:50:18,865 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:18,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1561 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:18,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10097 states. [2022-03-01 16:50:18,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10097 to 4189. [2022-03-01 16:50:18,920 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) [2022-03-01 16:50:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-03-01 16:50:18,924 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-03-01 16:50:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:18,925 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-03-01 16:50:18,925 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) [2022-03-01 16:50:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-03-01 16:50:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:18,926 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:18,926 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] [2022-03-01 16:50:18,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2022-03-01 16:50:19,126 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 [2022-03-01 16:50:19,127 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)] === [2022-03-01 16:50:19,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1763543315, now seen corresponding path program 43 times [2022-03-01 16:50:19,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352072080] [2022-03-01 16:50:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:19,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352072080] [2022-03-01 16:50:19,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352072080] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:19,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184101228] [2022-03-01 16:50:19,323 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 16:50:19,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:19,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:19,325 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) [2022-03-01 16:50:19,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-03-01 16:50:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:19,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:19,716 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 [2022-03-01 16:50:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:19,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:19,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184101228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:19,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:19,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015009787] [2022-03-01 16:50:19,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:19,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:19,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:19,781 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) [2022-03-01 16:50:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,203 INFO L93 Difference]: Finished difference Result 9641 states and 19132 transitions. [2022-03-01 16:50:20,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:50:20,203 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 [2022-03-01 16:50:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,214 INFO L225 Difference]: With dead ends: 9641 [2022-03-01 16:50:20,214 INFO L226 Difference]: Without dead ends: 9641 [2022-03-01 16:50:20,214 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 [2022-03-01 16:50:20,215 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 676 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-01 16:50:20,215 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] [2022-03-01 16:50:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2022-03-01 16:50:20,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 4186. [2022-03-01 16:50:20,268 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) [2022-03-01 16:50:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 8279 transitions. [2022-03-01 16:50:20,273 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 8279 transitions. Word has length 105 [2022-03-01 16:50:20,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,273 INFO L470 AbstractCegarLoop]: Abstraction has 4186 states and 8279 transitions. [2022-03-01 16:50:20,273 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) [2022-03-01 16:50:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 8279 transitions. [2022-03-01 16:50:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-01 16:50:20,274 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,275 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] [2022-03-01 16:50:20,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-03-01 16:50:20,475 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 [2022-03-01 16:50:20,475 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)] === [2022-03-01 16:50:20,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash -996901355, now seen corresponding path program 44 times [2022-03-01 16:50:20,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694123217] [2022-03-01 16:50:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-01 16:50:20,646 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:20,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694123217] [2022-03-01 16:50:20,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694123217] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:20,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013768330] [2022-03-01 16:50:20,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:50:20,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:20,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:20,648 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) [2022-03-01 16:50:20,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-03-01 16:50:20,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:50:20,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:20,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-01 16:50:20,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:21,005 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 [2022-03-01 16:50:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:21,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:50:21,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013768330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:21,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:50:21,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-01 16:50:21,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240449082] [2022-03-01 16:50:21,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:21,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:21,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:21,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:21,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:21,093 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) [2022-03-01 16:50:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:21,427 INFO L93 Difference]: Finished difference Result 8229 states and 16346 transitions. [2022-03-01 16:50:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:21,428 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 [2022-03-01 16:50:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:21,437 INFO L225 Difference]: With dead ends: 8229 [2022-03-01 16:50:21,437 INFO L226 Difference]: Without dead ends: 8229 [2022-03-01 16:50:21,437 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 [2022-03-01 16:50:21,437 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:21,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 1293 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-03-01 16:50:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 4243. [2022-03-01 16:50:21,488 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) [2022-03-01 16:50:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 8393 transitions. [2022-03-01 16:50:21,492 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 8393 transitions. Word has length 105 [2022-03-01 16:50:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:21,493 INFO L470 AbstractCegarLoop]: Abstraction has 4243 states and 8393 transitions. [2022-03-01 16:50:21,493 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) [2022-03-01 16:50:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 8393 transitions. [2022-03-01 16:50:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-03-01 16:50:21,494 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:21,494 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] [2022-03-01 16:50:21,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-03-01 16:50:21,694 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 [2022-03-01 16:50:21,694 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)] === [2022-03-01 16:50:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:21,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2116267346, now seen corresponding path program 1 times [2022-03-01 16:50:21,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:21,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75652391] [2022-03-01 16:50:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:21,736 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:21,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75652391] [2022-03-01 16:50:21,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75652391] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:21,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024699350] [2022-03-01 16:50:21,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:21,737 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) [2022-03-01 16:50:21,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-03-01 16:50:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:50:21,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:22,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:50:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:22,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024699350] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:50:22,173 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:50:22,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:50:22,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353374239] [2022-03-01 16:50:22,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:50:22,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:22,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:22,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:22,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:22,174 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) [2022-03-01 16:50:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:22,245 INFO L93 Difference]: Finished difference Result 7439 states and 14753 transitions. [2022-03-01 16:50:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:50:22,246 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 [2022-03-01 16:50:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:22,254 INFO L225 Difference]: With dead ends: 7439 [2022-03-01 16:50:22,254 INFO L226 Difference]: Without dead ends: 7439 [2022-03-01 16:50:22,254 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 [2022-03-01 16:50:22,254 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 [2022-03-01 16:50:22,255 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] [2022-03-01 16:50:22,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7439 states. [2022-03-01 16:50:22,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7439 to 7162. [2022-03-01 16:50:22,319 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) [2022-03-01 16:50:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 14374 transitions. [2022-03-01 16:50:22,328 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 14374 transitions. Word has length 108 [2022-03-01 16:50:22,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:22,328 INFO L470 AbstractCegarLoop]: Abstraction has 7162 states and 14374 transitions. [2022-03-01 16:50:22,328 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) [2022-03-01 16:50:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 14374 transitions. [2022-03-01 16:50:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:50:22,330 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:22,330 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] [2022-03-01 16:50:22,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-03-01 16:50:22,530 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 [2022-03-01 16:50:22,530 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)] === [2022-03-01 16:50:22,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash -502562751, now seen corresponding path program 1 times [2022-03-01 16:50:22,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:22,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146409682] [2022-03-01 16:50:22,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:22,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-03-01 16:50:22,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:22,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146409682] [2022-03-01 16:50:22,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146409682] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:22,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:22,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:22,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049616777] [2022-03-01 16:50:22,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:22,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:22,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:22,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:22,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:22,586 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) [2022-03-01 16:50:22,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:22,783 INFO L93 Difference]: Finished difference Result 8006 states and 16072 transitions. [2022-03-01 16:50:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:22,783 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 [2022-03-01 16:50:22,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:22,794 INFO L225 Difference]: With dead ends: 8006 [2022-03-01 16:50:22,794 INFO L226 Difference]: Without dead ends: 7476 [2022-03-01 16:50:22,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:22,795 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 184 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-01 16:50:22,795 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] [2022-03-01 16:50:22,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7476 states. [2022-03-01 16:50:22,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7476 to 6816. [2022-03-01 16:50:22,885 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) [2022-03-01 16:50:22,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 13692 transitions. [2022-03-01 16:50:22,894 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 13692 transitions. Word has length 114 [2022-03-01 16:50:22,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:22,895 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 13692 transitions. [2022-03-01 16:50:22,895 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) [2022-03-01 16:50:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 13692 transitions. [2022-03-01 16:50:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:50:22,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:22,897 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] [2022-03-01 16:50:22,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 16:50:22,898 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)] === [2022-03-01 16:50:22,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:22,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1642661824, now seen corresponding path program 1 times [2022-03-01 16:50:22,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:22,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874692513] [2022-03-01 16:50:22,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:22,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:23,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:23,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874692513] [2022-03-01 16:50:23,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874692513] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:23,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251237622] [2022-03-01 16:50:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:23,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:23,139 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) [2022-03-01 16:50:23,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-03-01 16:50:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:23,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-01 16:50:23,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:23,968 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 [2022-03-01 16:50:23,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:23,996 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 [2022-03-01 16:50:24,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,039 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 [2022-03-01 16:50:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:24,087 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 [2022-03-01 16:50:24,214 INFO L353 Elim1Store]: treesize reduction 204, result has 14.6 percent of original size [2022-03-01 16:50:24,214 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 [2022-03-01 16:50:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:24,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:50:24,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:24,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:25,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251237622] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:50:25,341 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:50:25,341 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2022-03-01 16:50:25,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615735796] [2022-03-01 16:50:25,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:50:25,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-01 16:50:25,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:25,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-01 16:50:25,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:50:25,342 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) [2022-03-01 16:50:31,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:31,407 INFO L93 Difference]: Finished difference Result 16581 states and 33229 transitions. [2022-03-01 16:50:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-01 16:50:31,408 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 [2022-03-01 16:50:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:31,434 INFO L225 Difference]: With dead ends: 16581 [2022-03-01 16:50:31,434 INFO L226 Difference]: Without dead ends: 16581 [2022-03-01 16:50:31,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4087 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=2170, Invalid=10940, Unknown=0, NotChecked=0, Total=13110 [2022-03-01 16:50:31,436 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 2439 mSDsluCounter, 4307 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:31,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2439 Valid, 4689 Invalid, 4753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3667 Invalid, 0 Unknown, 973 Unchecked, 1.7s Time] [2022-03-01 16:50:31,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16581 states. [2022-03-01 16:50:31,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16581 to 7950. [2022-03-01 16:50:31,570 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) [2022-03-01 16:50:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7950 states to 7950 states and 16037 transitions. [2022-03-01 16:50:31,582 INFO L78 Accepts]: Start accepts. Automaton has 7950 states and 16037 transitions. Word has length 134 [2022-03-01 16:50:31,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:31,583 INFO L470 AbstractCegarLoop]: Abstraction has 7950 states and 16037 transitions. [2022-03-01 16:50:31,583 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) [2022-03-01 16:50:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 7950 states and 16037 transitions. [2022-03-01 16:50:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:50:31,586 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:31,587 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] [2022-03-01 16:50:31,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-03-01 16:50:31,804 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 [2022-03-01 16:50:31,805 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)] === [2022-03-01 16:50:31,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:31,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1608674352, now seen corresponding path program 2 times [2022-03-01 16:50:31,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:31,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662171541] [2022-03-01 16:50:31,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:31,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:32,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:32,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662171541] [2022-03-01 16:50:32,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662171541] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:50:32,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486697210] [2022-03-01 16:50:32,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:50:32,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:50:32,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:32,003 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) [2022-03-01 16:50:32,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-03-01 16:50:32,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 16:50:32,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:50:32,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 33 conjunts are in the unsatisfiable core [2022-03-01 16:50:32,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:50:32,581 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 [2022-03-01 16:50:32,667 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 [2022-03-01 16:50:32,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:32,692 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 [2022-03-01 16:50:32,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:32,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:32,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:32,723 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 [2022-03-01 16:50:32,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:32,761 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 16:50:32,761 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 [2022-03-01 16:50:32,828 INFO L353 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-03-01 16:50:32,829 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 [2022-03-01 16:50:32,853 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-01 16:50:32,853 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 [2022-03-01 16:50:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:32,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:50:36,166 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 [2022-03-01 16:50:36,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:36,168 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 [2022-03-01 16:50:36,174 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 [2022-03-01 16:50:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:50:36,180 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 [2022-03-01 16:50:36,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:50:36,183 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 [2022-03-01 16:50:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:36,482 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486697210] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:50:36,482 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:50:36,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 40 [2022-03-01 16:50:36,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478649992] [2022-03-01 16:50:36,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:50:36,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-01 16:50:36,483 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:36,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-01 16:50:36,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1448, Unknown=3, NotChecked=0, Total=1640 [2022-03-01 16:50:36,484 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) [2022-03-01 16:51:09,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:09,967 INFO L93 Difference]: Finished difference Result 16381 states and 32852 transitions. [2022-03-01 16:51:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-03-01 16:51:09,968 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 [2022-03-01 16:51:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:09,993 INFO L225 Difference]: With dead ends: 16381 [2022-03-01 16:51:09,993 INFO L226 Difference]: Without dead ends: 16381 [2022-03-01 16:51:09,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3322 ImplicationChecksByTransitivity, 34.9s TimeCoverageRelationStatistics Valid=1701, Invalid=9399, Unknown=30, NotChecked=0, Total=11130 [2022-03-01 16:51:09,994 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 2715 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:09,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2715 Valid, 5185 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4266 Invalid, 0 Unknown, 751 Unchecked, 1.8s Time] [2022-03-01 16:51:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-03-01 16:51:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 7661. [2022-03-01 16:51:10,114 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) [2022-03-01 16:51:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7661 states to 7661 states and 15422 transitions. [2022-03-01 16:51:10,125 INFO L78 Accepts]: Start accepts. Automaton has 7661 states and 15422 transitions. Word has length 134 [2022-03-01 16:51:10,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:10,125 INFO L470 AbstractCegarLoop]: Abstraction has 7661 states and 15422 transitions. [2022-03-01 16:51:10,125 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) [2022-03-01 16:51:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7661 states and 15422 transitions. [2022-03-01 16:51:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:51:10,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:10,128 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] [2022-03-01 16:51:10,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-03-01 16:51:10,331 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 [2022-03-01 16:51:10,331 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)] === [2022-03-01 16:51:10,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:10,332 INFO L85 PathProgramCache]: Analyzing trace with hash 730557632, now seen corresponding path program 1 times [2022-03-01 16:51:10,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:10,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280200065] [2022-03-01 16:51:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:10,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:10,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:10,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280200065] [2022-03-01 16:51:10,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280200065] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:51:10,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990806511] [2022-03-01 16:51:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:10,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:51:10,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:51:10,613 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) [2022-03-01 16:51:10,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-03-01 16:51:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:10,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-01 16:51:10,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:51:11,708 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 [2022-03-01 16:51:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,757 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 [2022-03-01 16:51:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,801 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 [2022-03-01 16:51:11,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,853 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 [2022-03-01 16:51:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:11,917 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 [2022-03-01 16:51:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:11,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:51:12,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:12,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990806511] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:51:12,993 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:51:12,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 41 [2022-03-01 16:51:12,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949367265] [2022-03-01 16:51:12,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:51:12,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-03-01 16:51:12,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:12,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-03-01 16:51:12,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1509, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:51:12,994 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) [2022-03-01 16:51:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:17,506 INFO L93 Difference]: Finished difference Result 17047 states and 34127 transitions. [2022-03-01 16:51:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-01 16:51:17,507 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 [2022-03-01 16:51:17,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:17,531 INFO L225 Difference]: With dead ends: 17047 [2022-03-01 16:51:17,531 INFO L226 Difference]: Without dead ends: 17047 [2022-03-01 16:51:17,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1746, Invalid=8760, Unknown=0, NotChecked=0, Total=10506 [2022-03-01 16:51:17,532 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 2923 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:17,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 4413 Invalid, 4983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 4174 Invalid, 0 Unknown, 416 Unchecked, 2.0s Time] [2022-03-01 16:51:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17047 states. [2022-03-01 16:51:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17047 to 7813. [2022-03-01 16:51:17,658 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) [2022-03-01 16:51:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 15737 transitions. [2022-03-01 16:51:17,668 INFO L78 Accepts]: Start accepts. Automaton has 7813 states and 15737 transitions. Word has length 134 [2022-03-01 16:51:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:17,669 INFO L470 AbstractCegarLoop]: Abstraction has 7813 states and 15737 transitions. [2022-03-01 16:51:17,669 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) [2022-03-01 16:51:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7813 states and 15737 transitions. [2022-03-01 16:51:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:51:17,672 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:17,672 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] [2022-03-01 16:51:17,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-03-01 16:51:17,872 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 [2022-03-01 16:51:17,873 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)] === [2022-03-01 16:51:17,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:17,873 INFO L85 PathProgramCache]: Analyzing trace with hash -784951032, now seen corresponding path program 1 times [2022-03-01 16:51:17,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:17,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133172778] [2022-03-01 16:51:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:17,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:18,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:18,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133172778] [2022-03-01 16:51:18,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133172778] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:51:18,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472693158] [2022-03-01 16:51:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:18,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:51:18,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:51:18,335 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) [2022-03-01 16:51:18,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-03-01 16:51:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:18,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-01 16:51:18,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:51:19,130 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 [2022-03-01 16:51:19,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,166 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 [2022-03-01 16:51:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,207 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 [2022-03-01 16:51:19,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,269 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 [2022-03-01 16:51:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,369 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 [2022-03-01 16:51:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,393 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 [2022-03-01 16:51:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,422 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 [2022-03-01 16:51:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:19,453 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 [2022-03-01 16:51:19,633 INFO L353 Elim1Store]: treesize reduction 328, result has 13.2 percent of original size [2022-03-01 16:51:19,633 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 [2022-03-01 16:51:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:22,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:51:23,625 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-03-01 16:51:23,626 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 [2022-03-01 16:51:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:23,707 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 [2022-03-01 16:51:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 16:51:23,729 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 [2022-03-01 16:51:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:26,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472693158] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:51:26,060 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:51:26,060 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 17] total 44 [2022-03-01 16:51:26,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909147355] [2022-03-01 16:51:26,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:51:26,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-01 16:51:26,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:26,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-01 16:51:26,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1741, Unknown=2, NotChecked=0, Total=1980 [2022-03-01 16:51:26,061 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) [2022-03-01 16:51:38,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:38,216 INFO L93 Difference]: Finished difference Result 15940 states and 31983 transitions. [2022-03-01 16:51:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:51:38,217 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 [2022-03-01 16:51:38,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:38,237 INFO L225 Difference]: With dead ends: 15940 [2022-03-01 16:51:38,237 INFO L226 Difference]: Without dead ends: 15940 [2022-03-01 16:51:38,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=1400, Invalid=7148, Unknown=8, NotChecked=0, Total=8556 [2022-03-01 16:51:38,238 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 2740 mSDsluCounter, 3917 mSDsCounter, 0 mSdLazyCounter, 3968 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:38,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2740 Valid, 4260 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 3968 Invalid, 0 Unknown, 983 Unchecked, 1.9s Time] [2022-03-01 16:51:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2022-03-01 16:51:38,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 7852. [2022-03-01 16:51:38,349 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) [2022-03-01 16:51:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7852 states to 7852 states and 15814 transitions. [2022-03-01 16:51:38,359 INFO L78 Accepts]: Start accepts. Automaton has 7852 states and 15814 transitions. Word has length 134 [2022-03-01 16:51:38,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:38,359 INFO L470 AbstractCegarLoop]: Abstraction has 7852 states and 15814 transitions. [2022-03-01 16:51:38,359 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) [2022-03-01 16:51:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 7852 states and 15814 transitions. [2022-03-01 16:51:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:51:38,362 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:38,362 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] [2022-03-01 16:51:38,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2022-03-01 16:51:38,563 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 [2022-03-01 16:51:38,563 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)] === [2022-03-01 16:51:38,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1191355971, now seen corresponding path program 1 times [2022-03-01 16:51:38,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:38,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574849158] [2022-03-01 16:51:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:38,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:38,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:38,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574849158] [2022-03-01 16:51:38,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574849158] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:51:38,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002443065] [2022-03-01 16:51:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:38,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:51:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:51:38,715 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) [2022-03-01 16:51:38,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-03-01 16:51:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:38,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-01 16:51:38,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:51:39,711 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 [2022-03-01 16:51:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,743 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 [2022-03-01 16:51:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,766 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 [2022-03-01 16:51:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,798 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 [2022-03-01 16:51:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:39,833 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 [2022-03-01 16:51:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:39,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:51:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:40,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002443065] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:51:40,337 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:51:40,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 38 [2022-03-01 16:51:40,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806022274] [2022-03-01 16:51:40,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:51:40,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-01 16:51:40,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:40,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-01 16:51:40,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:51:40,339 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) [2022-03-01 16:51:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:47,018 INFO L93 Difference]: Finished difference Result 16896 states and 33831 transitions. [2022-03-01 16:51:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-03-01 16:51:47,019 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 [2022-03-01 16:51:47,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:47,040 INFO L225 Difference]: With dead ends: 16896 [2022-03-01 16:51:47,041 INFO L226 Difference]: Without dead ends: 16896 [2022-03-01 16:51:47,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 245 SyntacticMatches, 3 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6791 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=3450, Invalid=16572, Unknown=0, NotChecked=0, Total=20022 [2022-03-01 16:51:47,042 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 2341 mSDsluCounter, 7084 mSDsCounter, 0 mSdLazyCounter, 7581 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:47,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2341 Valid, 7493 Invalid, 8330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 7581 Invalid, 0 Unknown, 404 Unchecked, 3.1s Time] [2022-03-01 16:51:47,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16896 states. [2022-03-01 16:51:47,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16896 to 7787. [2022-03-01 16:51:47,171 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) [2022-03-01 16:51:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7787 states to 7787 states and 15678 transitions. [2022-03-01 16:51:47,181 INFO L78 Accepts]: Start accepts. Automaton has 7787 states and 15678 transitions. Word has length 134 [2022-03-01 16:51:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:47,182 INFO L470 AbstractCegarLoop]: Abstraction has 7787 states and 15678 transitions. [2022-03-01 16:51:47,182 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) [2022-03-01 16:51:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7787 states and 15678 transitions. [2022-03-01 16:51:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:51:47,185 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:47,185 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] [2022-03-01 16:51:47,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-03-01 16:51:47,385 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 [2022-03-01 16:51:47,385 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)] === [2022-03-01 16:51:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:47,386 INFO L85 PathProgramCache]: Analyzing trace with hash 2115207624, now seen corresponding path program 2 times [2022-03-01 16:51:47,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:47,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423481777] [2022-03-01 16:51:47,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:47,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:47,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:47,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423481777] [2022-03-01 16:51:47,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423481777] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:51:47,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061300283] [2022-03-01 16:51:47,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:51:47,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:51:47,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:51:47,811 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) [2022-03-01 16:51:47,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-03-01 16:51:48,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 16:51:48,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:51:48,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-01 16:51:48,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:51:48,798 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 [2022-03-01 16:51:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,898 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 [2022-03-01 16:51:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,936 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 [2022-03-01 16:51:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:48,986 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 [2022-03-01 16:51:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,038 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 [2022-03-01 16:51:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,066 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 [2022-03-01 16:51:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,104 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 [2022-03-01 16:51:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,131 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 [2022-03-01 16:51:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:51:49,224 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 [2022-03-01 16:51:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:49,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:51:51,665 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 [2022-03-01 16:51:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 1 not checked. [2022-03-01 16:51:52,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061300283] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:51:52,178 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:51:52,178 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 15] total 42 [2022-03-01 16:51:52,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34935609] [2022-03-01 16:51:52,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:51:52,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-01 16:51:52,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-01 16:51:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1534, Unknown=1, NotChecked=80, Total=1806 [2022-03-01 16:51:52,179 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) [2022-03-01 16:51:55,322 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 [2022-03-01 16:51:57,861 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 [2022-03-01 16:52:00,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:00,773 INFO L93 Difference]: Finished difference Result 25428 states and 50901 transitions. [2022-03-01 16:52:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-01 16:52:00,773 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 [2022-03-01 16:52:00,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:00,808 INFO L225 Difference]: With dead ends: 25428 [2022-03-01 16:52:00,808 INFO L226 Difference]: Without dead ends: 25428 [2022-03-01 16:52:00,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4239 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=2122, Invalid=11929, Unknown=3, NotChecked=708, Total=14762 [2022-03-01 16:52:00,809 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 3151 mSDsluCounter, 6621 mSDsCounter, 0 mSdLazyCounter, 6093 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:00,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3151 Valid, 7089 Invalid, 9907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 6093 Invalid, 0 Unknown, 3623 Unchecked, 2.7s Time] [2022-03-01 16:52:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25428 states. [2022-03-01 16:52:00,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25428 to 7928. [2022-03-01 16:52:00,966 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) [2022-03-01 16:52:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 15964 transitions. [2022-03-01 16:52:00,978 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 15964 transitions. Word has length 134 [2022-03-01 16:52:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:00,978 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 15964 transitions. [2022-03-01 16:52:00,978 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) [2022-03-01 16:52:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 15964 transitions. [2022-03-01 16:52:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-01 16:52:00,981 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:00,981 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] [2022-03-01 16:52:01,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2022-03-01 16:52:01,181 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 [2022-03-01 16:52:01,181 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)] === [2022-03-01 16:52:01,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:01,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1383721042, now seen corresponding path program 3 times [2022-03-01 16:52:01,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:01,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373178530] [2022-03-01 16:52:01,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:01,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:01,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:01,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373178530] [2022-03-01 16:52:01,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373178530] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:52:01,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887985518] [2022-03-01 16:52:01,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:52:01,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:52:01,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:52:01,593 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) [2022-03-01 16:52:01,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-03-01 16:52:01,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 16:52:01,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:52:01,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-01 16:52:01,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:52:02,640 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 [2022-03-01 16:52:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,732 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 [2022-03-01 16:52:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,774 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 [2022-03-01 16:52:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,823 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 [2022-03-01 16:52:02,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,842 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 [2022-03-01 16:52:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,898 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 [2022-03-01 16:52:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,924 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 [2022-03-01 16:52:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:02,948 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 [2022-03-01 16:52:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 16:52:03,104 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 [2022-03-01 16:52:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:09,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:52:34,699 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-03-01 16:52:34,700 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 [2022-03-01 16:52:36,038 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-01 16:52:36,039 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 [2022-03-01 16:52:36,178 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-01 16:52:36,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-03-01 16:52:36,382 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 [2022-03-01 16:52:36,383 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) [2022-03-01 16:52:36,389 INFO L158 Benchmark]: Toolchain (without parser) took 209271.56ms. Allocated memory was 189.8MB in the beginning and 720.4MB in the end (delta: 530.6MB). Free memory was 137.8MB in the beginning and 547.9MB in the end (delta: -410.1MB). Peak memory consumption was 434.2MB. Max. memory is 8.0GB. [2022-03-01 16:52:36,389 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 189.8MB. Free memory is still 156.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:52:36,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.39ms. Allocated memory is still 189.8MB. Free memory was 137.6MB in the beginning and 149.8MB in the end (delta: -12.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-01 16:52:36,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.92ms. Allocated memory is still 189.8MB. Free memory was 149.8MB in the beginning and 146.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:52:36,390 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 189.8MB. Free memory was 146.7MB in the beginning and 145.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 16:52:36,390 INFO L158 Benchmark]: RCFGBuilder took 413.84ms. Allocated memory is still 189.8MB. Free memory was 145.1MB in the beginning and 128.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-01 16:52:36,390 INFO L158 Benchmark]: TraceAbstraction took 208295.59ms. Allocated memory was 189.8MB in the beginning and 720.4MB in the end (delta: 530.6MB). Free memory was 128.3MB in the beginning and 547.9MB in the end (delta: -419.6MB). Peak memory consumption was 425.1MB. Max. memory is 8.0GB. [2022-03-01 16:52:36,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 189.8MB. Free memory is still 156.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 461.39ms. Allocated memory is still 189.8MB. Free memory was 137.6MB in the beginning and 149.8MB in the end (delta: -12.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.92ms. Allocated memory is still 189.8MB. Free memory was 149.8MB in the beginning and 146.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 189.8MB. Free memory was 146.7MB in the beginning and 145.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 413.84ms. Allocated memory is still 189.8MB. Free memory was 145.1MB in the beginning and 128.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 208295.59ms. Allocated memory was 189.8MB in the beginning and 720.4MB in the end (delta: 530.6MB). Free memory was 128.3MB in the beginning and 547.9MB in the end (delta: -419.6MB). Peak memory consumption was 425.1MB. 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. [2022-03-01 16:52:36,460 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...