/usr/bin/java -Xmx8000000000 -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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:45:03,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:45:03,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:45:03,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:45:03,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:45:03,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:45:03,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:45:03,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:45:03,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:45:03,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:45:03,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:45:03,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:45:03,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:45:03,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:45:03,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:45:03,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:45:03,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:45:03,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:45:03,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:45:03,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:45:03,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:45:03,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:45:03,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:45:03,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:45:03,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 14:45:03,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:45:03,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:45:03,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:45:03,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:45:03,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:45:03,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:45:03,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:45:03,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:45:03,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:45:03,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:45:03,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:45:03,199 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 [2019-12-27 14:45:03,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:45:03,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:45:03,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:45:03,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:45:03,237 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:45:03,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:45:03,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:45:03,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:45:03,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:45:03,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:45:03,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:45:03,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:45:03,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:45:03,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:45:03,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:45:03,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:45:03,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:45:03,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:45:03,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:45:03,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:45:03,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:45:03,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:45:03,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:45:03,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:45:03,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:45:03,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:45:03,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:45:03,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:45:03,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:45:03,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:45:03,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:45:03,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:45:03,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:45:03,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:45:03,545 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:45:03,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2019-12-27 14:45:03,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a58f93cb/d1132cfe66ed4fbab6ce817ea1f8a36a/FLAGb06e15dd1 [2019-12-27 14:45:04,268 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:45:04,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2019-12-27 14:45:04,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a58f93cb/d1132cfe66ed4fbab6ce817ea1f8a36a/FLAGb06e15dd1 [2019-12-27 14:45:04,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a58f93cb/d1132cfe66ed4fbab6ce817ea1f8a36a [2019-12-27 14:45:04,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:45:04,459 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:45:04,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:45:04,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:45:04,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:45:04,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:45:04" (1/1) ... [2019-12-27 14:45:04,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@836114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:04, skipping insertion in model container [2019-12-27 14:45:04,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:45:04" (1/1) ... [2019-12-27 14:45:04,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:45:04,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:45:05,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:45:05,326 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:45:05,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:45:05,781 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:45:05,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05 WrapperNode [2019-12-27 14:45:05,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:45:05,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:45:05,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:45:05,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:45:05,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:45:05,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:45:05,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:45:05,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:45:05,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (1/1) ... [2019-12-27 14:45:05,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:45:05,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:45:05,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:45:05,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:45:05,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (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 [2019-12-27 14:45:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:45:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 14:45:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 14:45:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-27 14:45:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:45:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:45:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:45:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 14:45:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 14:45:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:45:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 14:45:06,024 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 14:45:06,667 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:45:06,668 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-27 14:45:06,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:45:06 BoogieIcfgContainer [2019-12-27 14:45:06,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:45:06,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:45:06,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:45:06,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:45:06,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:45:04" (1/3) ... [2019-12-27 14:45:06,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66bc4256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:45:06, skipping insertion in model container [2019-12-27 14:45:06,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:05" (2/3) ... [2019-12-27 14:45:06,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66bc4256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:45:06, skipping insertion in model container [2019-12-27 14:45:06,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:45:06" (3/3) ... [2019-12-27 14:45:06,678 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2019-12-27 14:45:06,686 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:45:06,687 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:45:06,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-27 14:45:06,695 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:45:06,721 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,722 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,722 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,722 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,722 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,723 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,723 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,723 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,727 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,727 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,727 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,728 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,728 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:06,752 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 14:45:06,773 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:45:06,773 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:45:06,773 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:45:06,774 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:45:06,774 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:45:06,774 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:45:06,774 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:45:06,774 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:45:06,787 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 85 transitions [2019-12-27 14:45:06,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 246 states. [2019-12-27 14:45:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2019-12-27 14:45:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-27 14:45:06,818 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:06,818 INFO L411 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] [2019-12-27 14:45:06,819 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:06,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:06,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2117655968, now seen corresponding path program 1 times [2019-12-27 14:45:06,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:06,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372694777] [2019-12-27 14:45:06,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:07,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372694777] [2019-12-27 14:45:07,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:07,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:45:07,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745802717] [2019-12-27 14:45:07,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:45:07,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:07,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:45:07,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:45:07,315 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 5 states. [2019-12-27 14:45:07,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:07,536 INFO L93 Difference]: Finished difference Result 244 states and 391 transitions. [2019-12-27 14:45:07,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 14:45:07,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-27 14:45:07,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:07,570 INFO L225 Difference]: With dead ends: 244 [2019-12-27 14:45:07,570 INFO L226 Difference]: Without dead ends: 195 [2019-12-27 14:45:07,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 14:45:07,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-12-27 14:45:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2019-12-27 14:45:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-12-27 14:45:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 306 transitions. [2019-12-27 14:45:07,629 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 306 transitions. Word has length 23 [2019-12-27 14:45:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:07,629 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 306 transitions. [2019-12-27 14:45:07,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:45:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 306 transitions. [2019-12-27 14:45:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-27 14:45:07,631 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:07,631 INFO L411 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] [2019-12-27 14:45:07,632 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:07,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:07,632 INFO L82 PathProgramCache]: Analyzing trace with hash 635554302, now seen corresponding path program 1 times [2019-12-27 14:45:07,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:07,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550552310] [2019-12-27 14:45:07,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:07,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550552310] [2019-12-27 14:45:07,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:07,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:45:07,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112950229] [2019-12-27 14:45:07,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:45:07,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:07,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:45:07,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:45:07,783 INFO L87 Difference]: Start difference. First operand 195 states and 306 transitions. Second operand 5 states. [2019-12-27 14:45:07,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:07,967 INFO L93 Difference]: Finished difference Result 193 states and 304 transitions. [2019-12-27 14:45:07,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 14:45:07,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-27 14:45:07,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:07,970 INFO L225 Difference]: With dead ends: 193 [2019-12-27 14:45:07,971 INFO L226 Difference]: Without dead ends: 193 [2019-12-27 14:45:07,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 14:45:07,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-12-27 14:45:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2019-12-27 14:45:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-27 14:45:07,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 304 transitions. [2019-12-27 14:45:07,989 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 304 transitions. Word has length 31 [2019-12-27 14:45:07,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:07,990 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 304 transitions. [2019-12-27 14:45:07,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:45:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 304 transitions. [2019-12-27 14:45:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-27 14:45:07,992 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:07,992 INFO L411 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] [2019-12-27 14:45:07,993 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:07,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:07,993 INFO L82 PathProgramCache]: Analyzing trace with hash -869917500, now seen corresponding path program 1 times [2019-12-27 14:45:07,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:07,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795118824] [2019-12-27 14:45:07,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:08,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795118824] [2019-12-27 14:45:08,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:08,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:45:08,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981450238] [2019-12-27 14:45:08,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:45:08,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:08,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:45:08,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:45:08,131 INFO L87 Difference]: Start difference. First operand 193 states and 304 transitions. Second operand 5 states. [2019-12-27 14:45:08,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:08,325 INFO L93 Difference]: Finished difference Result 236 states and 366 transitions. [2019-12-27 14:45:08,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 14:45:08,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-12-27 14:45:08,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:08,328 INFO L225 Difference]: With dead ends: 236 [2019-12-27 14:45:08,329 INFO L226 Difference]: Without dead ends: 218 [2019-12-27 14:45:08,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 14:45:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-27 14:45:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 181. [2019-12-27 14:45:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-12-27 14:45:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 296 transitions. [2019-12-27 14:45:08,358 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 296 transitions. Word has length 41 [2019-12-27 14:45:08,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:08,358 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 296 transitions. [2019-12-27 14:45:08,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:45:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 296 transitions. [2019-12-27 14:45:08,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-27 14:45:08,364 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:08,364 INFO L411 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] [2019-12-27 14:45:08,364 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:08,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:08,367 INFO L82 PathProgramCache]: Analyzing trace with hash 916018852, now seen corresponding path program 1 times [2019-12-27 14:45:08,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:08,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990445857] [2019-12-27 14:45:08,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:45:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:45:08,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 14:45:08,516 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 14:45:08,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 02:45:08 BasicIcfg [2019-12-27 14:45:08,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 14:45:08,566 INFO L168 Benchmark]: Toolchain (without parser) took 4106.47 ms. Allocated memory was 137.9 MB in the beginning and 246.9 MB in the end (delta: 109.1 MB). Free memory was 99.6 MB in the beginning and 130.3 MB in the end (delta: -30.7 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-12-27 14:45:08,567 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 14:45:08,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.42 ms. Allocated memory was 137.9 MB in the beginning and 235.4 MB in the end (delta: 97.5 MB). Free memory was 99.2 MB in the beginning and 171.0 MB in the end (delta: -71.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-12-27 14:45:08,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.67 ms. Allocated memory is still 235.4 MB. Free memory was 171.0 MB in the beginning and 167.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-12-27 14:45:08,570 INFO L168 Benchmark]: Boogie Preprocessor took 77.06 ms. Allocated memory is still 235.4 MB. Free memory was 167.5 MB in the beginning and 164.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-12-27 14:45:08,571 INFO L168 Benchmark]: RCFGBuilder took 708.87 ms. Allocated memory is still 235.4 MB. Free memory was 164.0 MB in the beginning and 126.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-12-27 14:45:08,572 INFO L168 Benchmark]: TraceAbstraction took 1892.87 ms. Allocated memory was 235.4 MB in the beginning and 246.9 MB in the end (delta: 11.5 MB). Free memory was 126.8 MB in the beginning and 130.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:45:08,576 INFO L335 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 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1322.42 ms. Allocated memory was 137.9 MB in the beginning and 235.4 MB in the end (delta: 97.5 MB). Free memory was 99.2 MB in the beginning and 171.0 MB in the end (delta: -71.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 97.67 ms. Allocated memory is still 235.4 MB. Free memory was 171.0 MB in the beginning and 167.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.06 ms. Allocated memory is still 235.4 MB. Free memory was 167.5 MB in the beginning and 164.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 708.87 ms. Allocated memory is still 235.4 MB. Free memory was 164.0 MB in the beginning and 126.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1892.87 ms. Allocated memory was 235.4 MB in the beginning and 246.9 MB in the end (delta: 11.5 MB). Free memory was 126.8 MB in the beginning and 130.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; VAL [t1={3:0}] [L1684] 0 pthread_mutex_t mutex; VAL [mutex={5:0}, t1={3:0}] [L1685] 0 int pdev; VAL [mutex={5:0}, pdev=0, t1={3:0}] [L1694] 0 pdev = 1 VAL [mutex={5:0}, pdev=1, t1={3:0}] [L1682] COND FALSE 0 !(!expression) VAL [mutex={5:0}, pdev=1, t1={3:0}] [L1696] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={5:0}, pdev=1, t1={3:0}] [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={5:0}, pdev=1, t1={3:0}] [L1698] 0 return 0; VAL [arg={0:0}, mutex={5:0}, pdev=1, t1={3:0}] [L1715] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, mutex={5:0}, pdev=1, t1={3:0}] [L1706] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={5:0}, pdev=1, pthread_mutex_lock(&mutex)=0, t1={3:0}] [L1707] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={5:0}, pdev=4, pthread_mutex_lock(&mutex)=0, t1={3:0}] [L1688] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={5:0}, pdev=6, t1={3:0}] [L1682] COND TRUE 0 !expression VAL [arg={0:0}, arg={0:0}, mutex={5:0}, pdev=6, t1={3:0}] [L1682] 0 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, mutex={5:0}, pdev=6, t1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 235 SDtfs, 291 SDslu, 451 SDs, 0 SdLazy, 92 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246occurred 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, 3 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 3996 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...