/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/02-base_25-malloc_race_cp.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 15:33:57,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 15:33:57,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 15:33:57,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 15:33:57,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 15:33:57,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 15:33:57,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 15:33:57,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 15:33:57,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 15:33:57,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 15:33:57,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 15:33:57,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 15:33:57,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 15:33:57,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 15:33:57,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 15:33:57,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 15:33:57,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 15:33:57,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 15:33:57,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 15:33:57,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 15:33:57,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 15:33:57,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 15:33:57,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 15:33:57,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 15:33:57,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-18 15:33:57,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-18 15:33:57,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-18 15:33:57,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-18 15:33:57,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-18 15:33:57,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-18 15:33:57,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 15:33:57,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 15:33:57,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 15:33:57,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-18 15:33:57,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 15:33:57,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 15:33:57,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 15:33:57,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 15:33:57,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 15:33:57,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 15:33:57,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 15:33:57,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 15:33:57,341 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 15:33:57,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 15:33:57,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 15:33:57,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 15:33:57,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:33:57,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 15:33:57,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 15:33:57,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 15:33:57,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 15:33:57,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 15:33:57,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 15:33:57,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 15:33:57,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 15:33:57,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 15:33:57,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 15:33:57,560 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 15:33:57,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_25-malloc_race_cp.i [2022-02-18 15:33:57,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3983148ba/8568195ec3134fe9a0874da9a8b9d816/FLAG6438d2443 [2022-02-18 15:33:57,950 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 15:33:57,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_25-malloc_race_cp.i [2022-02-18 15:33:57,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3983148ba/8568195ec3134fe9a0874da9a8b9d816/FLAG6438d2443 [2022-02-18 15:33:58,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3983148ba/8568195ec3134fe9a0874da9a8b9d816 [2022-02-18 15:33:58,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 15:33:58,326 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 15:33:58,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 15:33:58,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 15:33:58,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 15:33:58,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:58,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48640a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58, skipping insertion in model container [2022-02-18 15:33:58,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:58,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 15:33:58,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 15:33:58,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:33:58,879 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 15:33:58,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:33:58,959 INFO L208 MainTranslator]: Completed translation [2022-02-18 15:33:58,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58 WrapperNode [2022-02-18 15:33:58,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 15:33:58,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 15:33:58,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 15:33:58,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 15:33:58,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:58,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,011 INFO L137 Inliner]: procedures = 365, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2022-02-18 15:33:59,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 15:33:59,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 15:33:59,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 15:33:59,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 15:33:59,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 15:33:59,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 15:33:59,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 15:33:59,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 15:33:59,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (1/1) ... [2022-02-18 15:33:59,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:33:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:33:59,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 15:33:59,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 15:33:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 15:33:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 15:33:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 15:33:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 15:33:59,116 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 15:33:59,252 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 15:33:59,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 15:33:59,432 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 15:33:59,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 15:33:59,437 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 15:33:59,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:33:59 BoogieIcfgContainer [2022-02-18 15:33:59,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 15:33:59,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 15:33:59,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 15:33:59,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 15:33:59,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:33:58" (1/3) ... [2022-02-18 15:33:59,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d85c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:33:59, skipping insertion in model container [2022-02-18 15:33:59,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:33:58" (2/3) ... [2022-02-18 15:33:59,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d85c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:33:59, skipping insertion in model container [2022-02-18 15:33:59,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:33:59" (3/3) ... [2022-02-18 15:33:59,443 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2022-02-18 15:33:59,447 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 15:33:59,447 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 15:33:59,447 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-02-18 15:33:59,447 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 15:33:59,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,497 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,497 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:33:59,499 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 15:33:59,526 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 15:33:59,531 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 15:33:59,531 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-02-18 15:33:59,539 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 120 places, 116 transitions, 237 flow [2022-02-18 15:33:59,614 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1036 states, 1014 states have (on average 1.928007889546351) internal successors, (1955), 1035 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:33:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 1036 states, 1014 states have (on average 1.928007889546351) internal successors, (1955), 1035 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:33:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-18 15:33:59,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:33:59,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:33:59,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:33:59,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:33:59,631 INFO L85 PathProgramCache]: Analyzing trace with hash -119326737, now seen corresponding path program 1 times [2022-02-18 15:33:59,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:33:59,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797219714] [2022-02-18 15:33:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:33:59,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:33:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:33:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:33:59,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:33:59,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797219714] [2022-02-18 15:33:59,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797219714] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:33:59,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:33:59,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:33:59,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124055635] [2022-02-18 15:33:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:33:59,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:33:59,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:33:59,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:33:59,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:33:59,839 INFO L87 Difference]: Start difference. First operand has 1036 states, 1014 states have (on average 1.928007889546351) internal successors, (1955), 1035 states have internal predecessors, (1955), 0 states have call successors, (0), 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 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:33:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:33:59,891 INFO L93 Difference]: Finished difference Result 1035 states and 1954 transitions. [2022-02-18 15:33:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:33:59,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-18 15:33:59,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:33:59,906 INFO L225 Difference]: With dead ends: 1035 [2022-02-18 15:33:59,906 INFO L226 Difference]: Without dead ends: 1035 [2022-02-18 15:33:59,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:33:59,910 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:33:59,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 213 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:33:59,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2022-02-18 15:33:59,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2022-02-18 15:33:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1014 states have (on average 1.9270216962524656) internal successors, (1954), 1034 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:33:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1954 transitions. [2022-02-18 15:33:59,979 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1954 transitions. Word has length 34 [2022-02-18 15:33:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:33:59,980 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1954 transitions. [2022-02-18 15:33:59,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:33:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1954 transitions. [2022-02-18 15:33:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-18 15:33:59,981 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:33:59,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:33:59,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 15:33:59,981 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:33:59,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:33:59,982 INFO L85 PathProgramCache]: Analyzing trace with hash 540063600, now seen corresponding path program 1 times [2022-02-18 15:33:59,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:33:59,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160716796] [2022-02-18 15:33:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:33:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:00,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:00,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160716796] [2022-02-18 15:34:00,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160716796] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:00,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:00,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:34:00,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258039566] [2022-02-18 15:34:00,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:00,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:34:00,059 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:00,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:34:00,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:00,059 INFO L87 Difference]: Start difference. First operand 1035 states and 1954 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:00,089 INFO L93 Difference]: Finished difference Result 1034 states and 1953 transitions. [2022-02-18 15:34:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:34:00,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-18 15:34:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:00,093 INFO L225 Difference]: With dead ends: 1034 [2022-02-18 15:34:00,093 INFO L226 Difference]: Without dead ends: 1034 [2022-02-18 15:34:00,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:00,094 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 2 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:00,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 211 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:34:00,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2022-02-18 15:34:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2022-02-18 15:34:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1014 states have (on average 1.9260355029585798) internal successors, (1953), 1033 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1953 transitions. [2022-02-18 15:34:00,147 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1953 transitions. Word has length 41 [2022-02-18 15:34:00,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:00,148 INFO L470 AbstractCegarLoop]: Abstraction has 1034 states and 1953 transitions. [2022-02-18 15:34:00,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1953 transitions. [2022-02-18 15:34:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-18 15:34:00,150 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:00,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:00,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 15:34:00,151 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1583841168, now seen corresponding path program 1 times [2022-02-18 15:34:00,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:00,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571590328] [2022-02-18 15:34:00,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:00,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:00,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571590328] [2022-02-18 15:34:00,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571590328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:00,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:00,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:34:00,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201376029] [2022-02-18 15:34:00,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:00,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:34:00,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:00,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:34:00,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:00,234 INFO L87 Difference]: Start difference. First operand 1034 states and 1953 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:00,248 INFO L93 Difference]: Finished difference Result 1000 states and 1887 transitions. [2022-02-18 15:34:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:34:00,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-18 15:34:00,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:00,251 INFO L225 Difference]: With dead ends: 1000 [2022-02-18 15:34:00,251 INFO L226 Difference]: Without dead ends: 1000 [2022-02-18 15:34:00,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:00,252 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 66 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:00,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 149 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:34:00,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2022-02-18 15:34:00,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2022-02-18 15:34:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 985 states have (on average 1.915736040609137) internal successors, (1887), 999 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1887 transitions. [2022-02-18 15:34:00,271 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1887 transitions. Word has length 45 [2022-02-18 15:34:00,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:00,271 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1887 transitions. [2022-02-18 15:34:00,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1887 transitions. [2022-02-18 15:34:00,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-18 15:34:00,273 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:00,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:00,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 15:34:00,273 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:00,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:00,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1451328407, now seen corresponding path program 1 times [2022-02-18 15:34:00,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:00,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65619331] [2022-02-18 15:34:00,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:00,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:00,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:00,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65619331] [2022-02-18 15:34:00,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65619331] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:00,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:00,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:34:00,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280519652] [2022-02-18 15:34:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:00,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:34:00,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:00,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:34:00,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:00,316 INFO L87 Difference]: Start difference. First operand 1000 states and 1887 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:00,329 INFO L93 Difference]: Finished difference Result 938 states and 1765 transitions. [2022-02-18 15:34:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:34:00,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-02-18 15:34:00,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:00,332 INFO L225 Difference]: With dead ends: 938 [2022-02-18 15:34:00,332 INFO L226 Difference]: Without dead ends: 938 [2022-02-18 15:34:00,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:00,334 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 57 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:00,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 171 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:34:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-02-18 15:34:00,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2022-02-18 15:34:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 930 states have (on average 1.8978494623655915) internal successors, (1765), 937 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1765 transitions. [2022-02-18 15:34:00,352 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1765 transitions. Word has length 55 [2022-02-18 15:34:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:00,353 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 1765 transitions. [2022-02-18 15:34:00,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1765 transitions. [2022-02-18 15:34:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-18 15:34:00,359 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:00,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:00,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-18 15:34:00,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:00,361 INFO L85 PathProgramCache]: Analyzing trace with hash 893594727, now seen corresponding path program 1 times [2022-02-18 15:34:00,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:00,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467647539] [2022-02-18 15:34:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:00,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:00,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:00,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467647539] [2022-02-18 15:34:00,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467647539] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:00,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:00,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:34:00,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818195973] [2022-02-18 15:34:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:00,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:34:00,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:34:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:00,507 INFO L87 Difference]: Start difference. First operand 938 states and 1765 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:00,708 INFO L93 Difference]: Finished difference Result 1102 states and 2083 transitions. [2022-02-18 15:34:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:34:00,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-02-18 15:34:00,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:00,716 INFO L225 Difference]: With dead ends: 1102 [2022-02-18 15:34:00,716 INFO L226 Difference]: Without dead ends: 1102 [2022-02-18 15:34:00,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:00,723 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 92 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:00,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 432 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:34:00,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-02-18 15:34:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1030. [2022-02-18 15:34:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1022 states have (on average 1.9090019569471623) internal successors, (1951), 1029 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1951 transitions. [2022-02-18 15:34:00,742 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1951 transitions. Word has length 62 [2022-02-18 15:34:00,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:00,742 INFO L470 AbstractCegarLoop]: Abstraction has 1030 states and 1951 transitions. [2022-02-18 15:34:00,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1951 transitions. [2022-02-18 15:34:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-18 15:34:00,747 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:00,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:00,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-18 15:34:00,748 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:00,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash -487085527, now seen corresponding path program 1 times [2022-02-18 15:34:00,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:00,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873643903] [2022-02-18 15:34:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:00,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:00,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873643903] [2022-02-18 15:34:00,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873643903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:00,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:00,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:34:00,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697214547] [2022-02-18 15:34:00,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:00,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:34:00,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:00,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:34:00,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:00,857 INFO L87 Difference]: Start difference. First operand 1030 states and 1951 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:01,027 INFO L93 Difference]: Finished difference Result 1666 states and 3159 transitions. [2022-02-18 15:34:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:34:01,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-18 15:34:01,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:01,037 INFO L225 Difference]: With dead ends: 1666 [2022-02-18 15:34:01,037 INFO L226 Difference]: Without dead ends: 1666 [2022-02-18 15:34:01,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:01,041 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 171 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:01,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 326 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:34:01,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-02-18 15:34:01,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1097. [2022-02-18 15:34:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1089 states have (on average 1.9109274563820018) internal successors, (2081), 1096 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2081 transitions. [2022-02-18 15:34:01,075 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2081 transitions. Word has length 63 [2022-02-18 15:34:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:01,075 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2081 transitions. [2022-02-18 15:34:01,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2081 transitions. [2022-02-18 15:34:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-18 15:34:01,076 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:01,077 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:01,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-18 15:34:01,077 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:01,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1400594363, now seen corresponding path program 1 times [2022-02-18 15:34:01,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:01,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435993955] [2022-02-18 15:34:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:01,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:01,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:01,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435993955] [2022-02-18 15:34:01,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435993955] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:01,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:01,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 15:34:01,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964821138] [2022-02-18 15:34:01,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:01,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:34:01,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:01,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:34:01,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:01,132 INFO L87 Difference]: Start difference. First operand 1097 states and 2081 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:01,148 INFO L93 Difference]: Finished difference Result 667 states and 1185 transitions. [2022-02-18 15:34:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:34:01,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-02-18 15:34:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:01,151 INFO L225 Difference]: With dead ends: 667 [2022-02-18 15:34:01,151 INFO L226 Difference]: Without dead ends: 667 [2022-02-18 15:34:01,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:34:01,153 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 50 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:01,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 188 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:34:01,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-02-18 15:34:01,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2022-02-18 15:34:01,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 661 states have (on average 1.7927382753403933) internal successors, (1185), 666 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1185 transitions. [2022-02-18 15:34:01,164 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1185 transitions. Word has length 71 [2022-02-18 15:34:01,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:01,164 INFO L470 AbstractCegarLoop]: Abstraction has 667 states and 1185 transitions. [2022-02-18 15:34:01,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1185 transitions. [2022-02-18 15:34:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-18 15:34:01,164 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:01,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:01,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-18 15:34:01,165 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:01,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1019249491, now seen corresponding path program 1 times [2022-02-18 15:34:01,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:01,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911178232] [2022-02-18 15:34:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:01,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:01,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:01,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911178232] [2022-02-18 15:34:01,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911178232] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:01,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:01,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:34:01,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021677104] [2022-02-18 15:34:01,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:01,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:34:01,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:01,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:34:01,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:01,302 INFO L87 Difference]: Start difference. First operand 667 states and 1185 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:01,409 INFO L93 Difference]: Finished difference Result 718 states and 1275 transitions. [2022-02-18 15:34:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:34:01,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 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 72 [2022-02-18 15:34:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:01,411 INFO L225 Difference]: With dead ends: 718 [2022-02-18 15:34:01,411 INFO L226 Difference]: Without dead ends: 542 [2022-02-18 15:34:01,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:01,412 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 53 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:01,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 447 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:34:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-02-18 15:34:01,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 537. [2022-02-18 15:34:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 532 states have (on average 1.718045112781955) internal successors, (914), 536 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 914 transitions. [2022-02-18 15:34:01,422 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 914 transitions. Word has length 72 [2022-02-18 15:34:01,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:01,422 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 914 transitions. [2022-02-18 15:34:01,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 914 transitions. [2022-02-18 15:34:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-18 15:34:01,423 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:01,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:01,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-18 15:34:01,423 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:01,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:01,423 INFO L85 PathProgramCache]: Analyzing trace with hash 527402681, now seen corresponding path program 1 times [2022-02-18 15:34:01,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:01,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562886989] [2022-02-18 15:34:01,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:01,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:01,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:01,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562886989] [2022-02-18 15:34:01,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562886989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:01,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:01,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:34:01,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919255433] [2022-02-18 15:34:01,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:01,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:34:01,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:01,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:34:01,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:01,521 INFO L87 Difference]: Start difference. First operand 537 states and 914 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:01,614 INFO L93 Difference]: Finished difference Result 675 states and 1151 transitions. [2022-02-18 15:34:01,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:34:01,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 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 72 [2022-02-18 15:34:01,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:01,616 INFO L225 Difference]: With dead ends: 675 [2022-02-18 15:34:01,616 INFO L226 Difference]: Without dead ends: 529 [2022-02-18 15:34:01,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:34:01,618 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 94 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:01,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 343 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:34:01,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-02-18 15:34:01,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 465. [2022-02-18 15:34:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 460 states have (on average 1.7260869565217392) internal successors, (794), 464 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 794 transitions. [2022-02-18 15:34:01,627 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 794 transitions. Word has length 72 [2022-02-18 15:34:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:01,627 INFO L470 AbstractCegarLoop]: Abstraction has 465 states and 794 transitions. [2022-02-18 15:34:01,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 794 transitions. [2022-02-18 15:34:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-18 15:34:01,628 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:01,628 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:01,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 15:34:01,628 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:01,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:01,629 INFO L85 PathProgramCache]: Analyzing trace with hash -686147085, now seen corresponding path program 1 times [2022-02-18 15:34:01,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:01,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8558862] [2022-02-18 15:34:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:01,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:01,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8558862] [2022-02-18 15:34:01,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8558862] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:01,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:01,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:34:01,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825370746] [2022-02-18 15:34:01,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:01,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:34:01,803 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:01,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:34:01,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:34:01,803 INFO L87 Difference]: Start difference. First operand 465 states and 794 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:02,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:02,210 INFO L93 Difference]: Finished difference Result 482 states and 816 transitions. [2022-02-18 15:34:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:34:02,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-02-18 15:34:02,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:02,214 INFO L225 Difference]: With dead ends: 482 [2022-02-18 15:34:02,214 INFO L226 Difference]: Without dead ends: 482 [2022-02-18 15:34:02,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:34:02,215 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 265 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:02,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 747 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:34:02,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-02-18 15:34:02,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 407. [2022-02-18 15:34:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 403 states have (on average 1.6972704714640199) internal successors, (684), 406 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 684 transitions. [2022-02-18 15:34:02,225 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 684 transitions. Word has length 80 [2022-02-18 15:34:02,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:02,225 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 684 transitions. [2022-02-18 15:34:02,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 684 transitions. [2022-02-18 15:34:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-18 15:34:02,226 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:02,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:02,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 15:34:02,226 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:02,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:02,227 INFO L85 PathProgramCache]: Analyzing trace with hash -155906846, now seen corresponding path program 1 times [2022-02-18 15:34:02,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:02,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759858462] [2022-02-18 15:34:02,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:02,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:34:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:34:02,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:34:02,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759858462] [2022-02-18 15:34:02,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759858462] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:34:02,383 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:34:02,383 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:34:02,383 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342199244] [2022-02-18 15:34:02,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:34:02,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:34:02,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:34:02,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:34:02,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:34:02,384 INFO L87 Difference]: Start difference. First operand 407 states and 684 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:02,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:34:02,654 INFO L93 Difference]: Finished difference Result 395 states and 661 transitions. [2022-02-18 15:34:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:34:02,654 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-02-18 15:34:02,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:34:02,655 INFO L225 Difference]: With dead ends: 395 [2022-02-18 15:34:02,656 INFO L226 Difference]: Without dead ends: 363 [2022-02-18 15:34:02,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-02-18 15:34:02,656 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 230 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:34:02,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 524 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:34:02,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-02-18 15:34:02,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 347. [2022-02-18 15:34:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 344 states have (on average 1.677325581395349) internal successors, (577), 346 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 577 transitions. [2022-02-18 15:34:02,661 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 577 transitions. Word has length 80 [2022-02-18 15:34:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:34:02,662 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 577 transitions. [2022-02-18 15:34:02,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:34:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 577 transitions. [2022-02-18 15:34:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-18 15:34:02,663 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:34:02,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:02,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 15:34:02,664 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-18 15:34:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:34:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash -2014650259, now seen corresponding path program 1 times [2022-02-18 15:34:02,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:34:02,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784377072] [2022-02-18 15:34:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:34:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:34:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 15:34:02,714 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 15:34:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 15:34:02,745 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 15:34:02,745 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 15:34:02,746 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2022-02-18 15:34:02,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2022-02-18 15:34:02,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2022-02-18 15:34:02,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2022-02-18 15:34:02,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2022-02-18 15:34:02,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2022-02-18 15:34:02,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-18 15:34:02,751 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:34:02,754 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 15:34:02,754 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 15:34:02,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:34:02 BasicIcfg [2022-02-18 15:34:02,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 15:34:02,788 INFO L158 Benchmark]: Toolchain (without parser) took 4462.18ms. Allocated memory was 205.5MB in the beginning and 280.0MB in the end (delta: 74.4MB). Free memory was 153.5MB in the beginning and 209.4MB in the end (delta: -55.8MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. [2022-02-18 15:34:02,788 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 205.5MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:34:02,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.87ms. Allocated memory is still 205.5MB. Free memory was 153.4MB in the beginning and 155.1MB in the end (delta: -1.7MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. [2022-02-18 15:34:02,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.46ms. Allocated memory is still 205.5MB. Free memory was 155.1MB in the beginning and 152.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:34:02,788 INFO L158 Benchmark]: Boogie Preprocessor took 22.24ms. Allocated memory is still 205.5MB. Free memory was 152.5MB in the beginning and 151.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:34:02,789 INFO L158 Benchmark]: RCFGBuilder took 403.30ms. Allocated memory is still 205.5MB. Free memory was 151.0MB in the beginning and 135.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-18 15:34:02,789 INFO L158 Benchmark]: TraceAbstraction took 3348.15ms. Allocated memory was 205.5MB in the beginning and 280.0MB in the end (delta: 74.4MB). Free memory was 135.2MB in the beginning and 209.4MB in the end (delta: -74.1MB). Peak memory consumption was 1.4MB. Max. memory is 8.0GB. [2022-02-18 15:34:02,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 205.5MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 634.87ms. Allocated memory is still 205.5MB. Free memory was 153.4MB in the beginning and 155.1MB in the end (delta: -1.7MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.46ms. Allocated memory is still 205.5MB. Free memory was 155.1MB in the beginning and 152.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.24ms. Allocated memory is still 205.5MB. Free memory was 152.5MB in the beginning and 151.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 403.30ms. Allocated memory is still 205.5MB. Free memory was 151.0MB in the beginning and 135.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3348.15ms. Allocated memory was 205.5MB in the beginning and 280.0MB in the end (delta: 74.4MB). Free memory was 135.2MB in the beginning and 209.4MB in the end (delta: -74.1MB). Peak memory consumption was 1.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1243]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={3:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [id={5:0}, m={3:0}, x={0:0}, y={0:0}] [L1235] 0 int *z; VAL [id={5:0}, m={3:0}, x={0:0}, y={0:0}] [L1236] 0 x = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-2:0}, x={-2:0}, x = malloc(sizeof(int))=104, y={0:0}] [L1237] 0 y = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-3:0}, x={-2:0}, y={-3:0}, y = malloc(sizeof(int))=105] [L1238] 0 z = y VAL [id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1239] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, m={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 *x VAL [arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 \read(*x) VAL [\read(*x)=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] 0 printf("%d\n",*x) VAL [\read(*x)=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1243] EXPR 0 \read(*z) VAL [\read(*z)=106, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1228] EXPR 1 *x VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] EXPR 1 *y VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [*y = 8=103, arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1243] 0 printf("%d\n",*z) VAL [*y = 8=103, \read(*z)=106, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}, z={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *x = 3 [1228] * C: *x = 3 [1228] * C: *x = 3 [1228] * C: y = malloc(sizeof(int)) [1237] * C: *x = 3 [1228] * C: *y = 8 [1229] * C: x = malloc(sizeof(int)) [1236] and C: printf("%d\n",*z) [1243] - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1082 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1082 mSDsluCounter, 3751 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2357 mSDsCounter, 184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1624 IncrementalHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 184 mSolverCounterUnsat, 1408 mSDtfsCounter, 1624 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1097occurred in iteration=6, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 801 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 765 NumberOfCodeBlocks, 765 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 1694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-18 15:34:02,861 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...