/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 15:25:38,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 15:25:38,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 15:25:38,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 15:25:38,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 15:25:38,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 15:25:38,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 15:25:38,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 15:25:38,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 15:25:38,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 15:25:38,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 15:25:38,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 15:25:38,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 15:25:38,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 15:25:38,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 15:25:38,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 15:25:38,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 15:25:38,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 15:25:38,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 15:25:38,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 15:25:38,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 15:25:38,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 15:25:38,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 15:25:38,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 15:25:38,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 15:25:38,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 15:25:38,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 15:25:38,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 15:25:38,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 15:25:38,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 15:25:38,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 15:25:38,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 15:25:38,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 15:25:38,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 15:25:38,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 15:25:38,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 15:25:38,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 15:25:39,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 15:25:39,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 15:25:39,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 15:25:39,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 15:25:39,010 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 15:25:39,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 15:25:39,012 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 15:25:39,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 15:25:39,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 15:25:39,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 15:25:39,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 15:25:39,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 15:25:39,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 15:25:39,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 15:25:39,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 15:25:39,014 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 15:25:39,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 15:25:39,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 15:25:39,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 15:25:39,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 15:25:39,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 15:25:39,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:25:39,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 15:25:39,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 15:25:39,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 15:25:39,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 15:25:39,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 15:25:39,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 15:25:39,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 15:25:39,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 15:25:39,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 15:25:39,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 15:25:39,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 15:25:39,365 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 15:25:39,367 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 15:25:39,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2020-10-11 15:25:39,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bba61516/8ad6ae416fe24f75b80b39474fd9b838/FLAGc07fa171c [2020-10-11 15:25:40,049 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 15:25:40,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2020-10-11 15:25:40,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bba61516/8ad6ae416fe24f75b80b39474fd9b838/FLAGc07fa171c [2020-10-11 15:25:40,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bba61516/8ad6ae416fe24f75b80b39474fd9b838 [2020-10-11 15:25:40,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 15:25:40,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 15:25:40,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 15:25:40,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 15:25:40,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 15:25:40,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:25:40" (1/1) ... [2020-10-11 15:25:40,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df071a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:40, skipping insertion in model container [2020-10-11 15:25:40,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:25:40" (1/1) ... [2020-10-11 15:25:40,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 15:25:40,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 15:25:41,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:25:41,073 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 15:25:41,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:25:41,512 INFO L208 MainTranslator]: Completed translation [2020-10-11 15:25:41,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41 WrapperNode [2020-10-11 15:25:41,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 15:25:41,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 15:25:41,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 15:25:41,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 15:25:41,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 15:25:41,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 15:25:41,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 15:25:41,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 15:25:41,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... [2020-10-11 15:25:41,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 15:25:41,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 15:25:41,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 15:25:41,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 15:25:41,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:25:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 15:25:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 15:25:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 15:25:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-11 15:25:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 15:25:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 15:25:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 15:25:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-11 15:25:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-11 15:25:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 15:25:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 15:25:41,701 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 15:25:42,212 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 15:25:42,213 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-11 15:25:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:25:42 BoogieIcfgContainer [2020-10-11 15:25:42,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 15:25:42,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 15:25:42,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 15:25:42,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 15:25:42,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:25:40" (1/3) ... [2020-10-11 15:25:42,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d6d472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:25:42, skipping insertion in model container [2020-10-11 15:25:42,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:25:41" (2/3) ... [2020-10-11 15:25:42,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d6d472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:25:42, skipping insertion in model container [2020-10-11 15:25:42,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:25:42" (3/3) ... [2020-10-11 15:25:42,224 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2020-10-11 15:25:42,236 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 15:25:42,237 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 15:25:42,245 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-11 15:25:42,246 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 15:25:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,279 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,280 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,280 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:25:42,304 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 15:25:42,327 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 15:25:42,327 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 15:25:42,327 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 15:25:42,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 15:25:42,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 15:25:42,328 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 15:25:42,328 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 15:25:42,328 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 15:25:42,343 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 15:25:42,346 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions, 178 flow [2020-10-11 15:25:42,349 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 85 transitions, 178 flow [2020-10-11 15:25:42,351 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-10-11 15:25:42,398 INFO L129 PetriNetUnfolder]: 5/96 cut-off events. [2020-10-11 15:25:42,398 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 15:25:42,402 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2020-10-11 15:25:42,407 INFO L117 LiptonReduction]: Number of co-enabled transitions 308 [2020-10-11 15:25:44,610 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-10-11 15:25:44,929 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-10-11 15:25:45,055 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-11 15:25:45,073 INFO L132 LiptonReduction]: Checked pairs total: 336 [2020-10-11 15:25:45,073 INFO L134 LiptonReduction]: Total number of compositions: 102 [2020-10-11 15:25:45,080 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow [2020-10-11 15:25:45,089 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-10-11 15:25:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-11 15:25:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-11 15:25:45,097 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:25:45,098 INFO L421 BasicCegarLoop]: trace histogram [1] [2020-10-11 15:25:45,098 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:25:45,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:25:45,104 INFO L82 PathProgramCache]: Analyzing trace with hash 337, now seen corresponding path program 1 times [2020-10-11 15:25:45,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:25:45,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326089863] [2020-10-11 15:25:45,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:25:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:25:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:25:45,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326089863] [2020-10-11 15:25:45,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:25:45,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-11 15:25:45,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920290983] [2020-10-11 15:25:45,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 15:25:45,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:25:45,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 15:25:45,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:25:45,399 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-10-11 15:25:45,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:25:45,412 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2020-10-11 15:25:45,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 15:25:45,413 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-11 15:25:45,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:25:45,420 INFO L225 Difference]: With dead ends: 18 [2020-10-11 15:25:45,420 INFO L226 Difference]: Without dead ends: 8 [2020-10-11 15:25:45,422 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:25:45,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-11 15:25:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-11 15:25:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-11 15:25:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2020-10-11 15:25:45,451 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 1 [2020-10-11 15:25:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:25:45,451 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2020-10-11 15:25:45,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 15:25:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-10-11 15:25:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-11 15:25:45,452 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:25:45,452 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-11 15:25:45,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 15:25:45,453 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:25:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:25:45,453 INFO L82 PathProgramCache]: Analyzing trace with hash 10458850, now seen corresponding path program 1 times [2020-10-11 15:25:45,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:25:45,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359111784] [2020-10-11 15:25:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:25:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:25:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:25:45,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359111784] [2020-10-11 15:25:45,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:25:45,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:25:45,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950588125] [2020-10-11 15:25:45,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 15:25:45,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:25:45,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 15:25:45,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 15:25:45,607 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2020-10-11 15:25:45,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:25:45,619 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-10-11 15:25:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 15:25:45,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-11 15:25:45,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:25:45,621 INFO L225 Difference]: With dead ends: 8 [2020-10-11 15:25:45,621 INFO L226 Difference]: Without dead ends: 6 [2020-10-11 15:25:45,622 INFO L673 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 [2020-10-11 15:25:45,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2020-10-11 15:25:45,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-11 15:25:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 15:25:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2020-10-11 15:25:45,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2020-10-11 15:25:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:25:45,624 INFO L481 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2020-10-11 15:25:45,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 15:25:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-10-11 15:25:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-11 15:25:45,625 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:25:45,625 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-11 15:25:45,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 15:25:45,625 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:25:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:25:45,626 INFO L82 PathProgramCache]: Analyzing trace with hash 324224792, now seen corresponding path program 1 times [2020-10-11 15:25:45,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:25:45,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285663969] [2020-10-11 15:25:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:25:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 15:25:45,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 15:25:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 15:25:45,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 15:25:45,745 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 15:25:45,746 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 15:25:45,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 15:25:45,746 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-11 15:25:45,751 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [276] [276] L1682-->L1696: Formula: (and (<= |ULTIMATE.start_module_init_#t~nondet31_In-680175770| 2147483647) (= ULTIMATE.start_ldv_assert_~expression_Out-680175770 |ULTIMATE.start_ldv_assert_#in~expression_In-680175770|) (not (= ULTIMATE.start_ldv_assert_~expression_Out-680175770 0)) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_In-680175770| 2147483648))) InVars {ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_In-680175770|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-680175770|} OutVars{ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_In-680175770|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-680175770|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-680175770} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-11 15:25:45,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:25:45 BasicIcfg [2020-10-11 15:25:45,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 15:25:45,773 INFO L168 Benchmark]: Toolchain (without parser) took 5480.19 ms. Allocated memory was 251.1 MB in the beginning and 429.9 MB in the end (delta: 178.8 MB). Free memory was 206.5 MB in the beginning and 294.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 91.2 MB. Max. memory is 14.2 GB. [2020-10-11 15:25:45,774 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 15:25:45,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1218.67 ms. Allocated memory was 251.1 MB in the beginning and 355.5 MB in the end (delta: 104.3 MB). Free memory was 204.0 MB in the beginning and 321.9 MB in the end (delta: -117.9 MB). Peak memory consumption was 109.8 MB. Max. memory is 14.2 GB. [2020-10-11 15:25:45,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.18 ms. Allocated memory is still 355.5 MB. Free memory was 321.9 MB in the beginning and 318.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-11 15:25:45,777 INFO L168 Benchmark]: Boogie Preprocessor took 46.37 ms. Allocated memory is still 355.5 MB. Free memory was 318.6 MB in the beginning and 315.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-11 15:25:45,778 INFO L168 Benchmark]: RCFGBuilder took 587.68 ms. Allocated memory is still 355.5 MB. Free memory was 315.2 MB in the beginning and 275.5 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 14.2 GB. [2020-10-11 15:25:45,779 INFO L168 Benchmark]: TraceAbstraction took 3554.40 ms. Allocated memory was 355.5 MB in the beginning and 429.9 MB in the end (delta: 74.4 MB). Free memory was 275.5 MB in the beginning and 294.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 55.9 MB. Max. memory is 14.2 GB. [2020-10-11 15:25:45,783 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1218.67 ms. Allocated memory was 251.1 MB in the beginning and 355.5 MB in the end (delta: 104.3 MB). Free memory was 204.0 MB in the beginning and 321.9 MB in the end (delta: -117.9 MB). Peak memory consumption was 109.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 67.18 ms. Allocated memory is still 355.5 MB. Free memory was 321.9 MB in the beginning and 318.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 46.37 ms. Allocated memory is still 355.5 MB. Free memory was 318.6 MB in the beginning and 315.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 587.68 ms. Allocated memory is still 355.5 MB. Free memory was 315.2 MB in the beginning and 275.5 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 3554.40 ms. Allocated memory was 355.5 MB in the beginning and 429.9 MB in the end (delta: 74.4 MB). Free memory was 275.5 MB in the beginning and 294.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 55.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 228 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 11 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 83 PlacesBefore, 17 PlacesAfterwards, 85 TransitionsBefore, 15 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 6 FixpointIterations, 58 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 102 TotalNumberOfCompositions, 336 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1; [L1684] 0 pthread_mutex_t mutex; [L1685] 0 int pdev; [L1694] 0 pdev = 1 [L1696] COND TRUE 0 __VERIFIER_nondet_int() [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={2:0}, pdev=1, t1={3:0}] [L1698] 0 pdev = 2 VAL [arg={0:0}, mutex={2:0}, pdev=2, t1={3:0}] [L1688] 1 pdev = 6 [L1690] 1 return 0; [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={2:0}, pdev=6, t1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! Received shutdown request...