/usr/bin/java -Xmx16000000000 -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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 22:01:29,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 22:01:29,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 22:01:29,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 22:01:29,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 22:01:29,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 22:01:29,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 22:01:29,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 22:01:29,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 22:01:29,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 22:01:29,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 22:01:29,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 22:01:29,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 22:01:29,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 22:01:29,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 22:01:29,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 22:01:29,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 22:01:29,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 22:01:29,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 22:01:29,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 22:01:29,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 22:01:29,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 22:01:29,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 22:01:29,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 22:01:29,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 22:01:29,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 22:01:29,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 22:01:29,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 22:01:29,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 22:01:29,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 22:01:29,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 22:01:29,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 22:01:29,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 22:01:29,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 22:01:29,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 22:01:29,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 22:01:29,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 22:01:29,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 22:01:29,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 22:01:29,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 22:01:29,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 22:01:29,642 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-Sleep-SemanticLbe-Delay.epf [2021-03-12 22:01:29,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 22:01:29,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 22:01:29,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 22:01:29,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 22:01:29,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 22:01:29,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 22:01:29,684 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 22:01:29,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 22:01:29,684 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 22:01:29,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 22:01:29,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 22:01:29,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 22:01:29,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 22:01:29,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 22:01:29,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 22:01:29,686 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 22:01:29,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 22:01:29,686 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 22:01:29,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 22:01:29,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 22:01:29,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 22:01:29,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 22:01:29,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 22:01:29,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 22:01:29,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 22:01:29,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 22:01:29,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 22:01:29,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 22:01:29,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 22:01:29,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 22:01:29,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 22:01:29,689 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 22:01:29,689 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 22:01:29,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 22:01:29,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 22:01:29,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 22:01:29,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 22:01:29,984 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 22:01:29,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-03-12 22:01:30,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4d2353b/ab80ba636f074378be1802a3d35d72bd/FLAGa52b5bf58 [2021-03-12 22:01:30,590 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 22:01:30,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-03-12 22:01:30,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4d2353b/ab80ba636f074378be1802a3d35d72bd/FLAGa52b5bf58 [2021-03-12 22:01:31,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4d2353b/ab80ba636f074378be1802a3d35d72bd [2021-03-12 22:01:31,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 22:01:31,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 22:01:31,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 22:01:31,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 22:01:31,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 22:01:31,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1945bd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31, skipping insertion in model container [2021-03-12 22:01:31,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 22:01:31,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 22:01:31,562 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-03-12 22:01:31,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 22:01:31,580 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 22:01:31,613 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-03-12 22:01:31,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 22:01:31,884 INFO L208 MainTranslator]: Completed translation [2021-03-12 22:01:31,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31 WrapperNode [2021-03-12 22:01:31,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 22:01:31,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 22:01:31,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 22:01:31,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 22:01:31,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 22:01:31,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 22:01:31,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 22:01:31,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 22:01:31,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (1/1) ... [2021-03-12 22:01:31,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 22:01:31,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 22:01:31,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 22:01:31,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 22:01:31,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (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 [2021-03-12 22:01:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 22:01:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 22:01:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 22:01:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 22:01:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 22:01:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 22:01:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 22:01:32,062 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 22:01:32,694 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 22:01:32,694 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-03-12 22:01:32,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:01:32 BoogieIcfgContainer [2021-03-12 22:01:32,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 22:01:32,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 22:01:32,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 22:01:32,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 22:01:32,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 10:01:31" (1/3) ... [2021-03-12 22:01:32,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e213e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 10:01:32, skipping insertion in model container [2021-03-12 22:01:32,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 10:01:31" (2/3) ... [2021-03-12 22:01:32,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e213e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 10:01:32, skipping insertion in model container [2021-03-12 22:01:32,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:01:32" (3/3) ... [2021-03-12 22:01:32,705 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2021-03-12 22:01:32,709 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 22:01:32,710 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 22:01:32,713 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-12 22:01:32,714 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 22:01:32,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,741 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,741 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,744 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,744 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,744 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,744 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 22:01:32,747 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-12 22:01:32,761 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 22:01:32,800 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 22:01:32,800 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 22:01:32,801 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 22:01:32,801 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 22:01:32,801 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 22:01:32,801 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 22:01:32,801 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 22:01:32,801 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 22:01:32,809 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 22:01:32,809 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 87 transitions, 182 flow [2021-03-12 22:01:32,811 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 87 transitions, 182 flow [2021-03-12 22:01:32,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 87 transitions, 182 flow [2021-03-12 22:01:32,842 INFO L129 PetriNetUnfolder]: 4/98 cut-off events. [2021-03-12 22:01:32,842 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-12 22:01:32,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 4/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2021-03-12 22:01:32,845 INFO L116 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-12 22:01:34,743 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-03-12 22:01:35,432 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-03-12 22:01:35,670 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-03-12 22:01:36,086 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-03-12 22:01:36,187 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-03-12 22:01:36,291 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-12 22:01:36,402 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-12 22:01:36,613 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-03-12 22:01:36,968 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2021-03-12 22:01:37,077 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-03-12 22:01:37,223 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-12 22:01:37,362 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-12 22:01:37,516 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-12 22:01:37,664 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-12 22:01:37,666 INFO L131 LiptonReduction]: Checked pairs total: 293 [2021-03-12 22:01:37,666 INFO L133 LiptonReduction]: Total number of compositions: 97 [2021-03-12 22:01:37,680 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 22:01:37,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 22:01:37,684 INFO L82 PathProgramCache]: Analyzing trace with hash 354, now seen corresponding path program 1 times [2021-03-12 22:01:37,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 22:01:37,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669848564] [2021-03-12 22:01:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 22:01:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 22:01:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 22:01:37,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669848564] [2021-03-12 22:01:37,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 22:01:37,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-12 22:01:37,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676414210] [2021-03-12 22:01:37,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 22:01:37,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 22:01:37,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 22:01:37,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 22:01:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:37,924 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 22:01:37,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 22:01:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:37,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 22:01:37,960 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 22:01:37,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 22:01:37,961 INFO L82 PathProgramCache]: Analyzing trace with hash 10894040, now seen corresponding path program 1 times [2021-03-12 22:01:37,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 22:01:37,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266399750] [2021-03-12 22:01:37,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 22:01:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 22:01:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 22:01:38,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266399750] [2021-03-12 22:01:38,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 22:01:38,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 22:01:38,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245188013] [2021-03-12 22:01:38,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 22:01:38,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 22:01:38,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 22:01:38,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 22:01:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:38,104 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 22:01:38,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 22:01:38,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:38,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 22:01:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 22:01:38,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 22:01:38,124 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 22:01:38,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 22:01:38,124 INFO L82 PathProgramCache]: Analyzing trace with hash 337720778, now seen corresponding path program 1 times [2021-03-12 22:01:38,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 22:01:38,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431409620] [2021-03-12 22:01:38,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 22:01:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 22:01:38,150 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 22:01:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 22:01:38,165 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 22:01:38,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 22:01:38,182 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 22:01:38,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 22:01:38,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 10:01:38 BasicIcfg [2021-03-12 22:01:38,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 22:01:38,201 INFO L168 Benchmark]: Toolchain (without parser) took 7176.38 ms. Allocated memory was 255.9 MB in the beginning and 453.0 MB in the end (delta: 197.1 MB). Free memory was 230.9 MB in the beginning and 255.0 MB in the end (delta: -24.2 MB). Peak memory consumption was 172.8 MB. Max. memory is 16.0 GB. [2021-03-12 22:01:38,202 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 22:01:38,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 856.98 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 230.2 MB in the beginning and 306.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.0 GB. [2021-03-12 22:01:38,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.90 ms. Allocated memory is still 364.9 MB. Free memory was 306.7 MB in the beginning and 303.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 22:01:38,203 INFO L168 Benchmark]: Boogie Preprocessor took 29.45 ms. Allocated memory is still 364.9 MB. Free memory was 303.6 MB in the beginning and 301.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 22:01:38,204 INFO L168 Benchmark]: RCFGBuilder took 712.84 ms. Allocated memory is still 364.9 MB. Free memory was 301.5 MB in the beginning and 325.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-03-12 22:01:38,204 INFO L168 Benchmark]: TraceAbstraction took 5501.01 ms. Allocated memory was 364.9 MB in the beginning and 453.0 MB in the end (delta: 88.1 MB). Free memory was 324.5 MB in the beginning and 255.0 MB in the end (delta: 69.4 MB). Peak memory consumption was 157.5 MB. Max. memory is 16.0 GB. [2021-03-12 22:01:38,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 856.98 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 230.2 MB in the beginning and 306.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 65.90 ms. Allocated memory is still 364.9 MB. Free memory was 306.7 MB in the beginning and 303.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.45 ms. Allocated memory is still 364.9 MB. Free memory was 303.6 MB in the beginning and 301.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 712.84 ms. Allocated memory is still 364.9 MB. Free memory was 301.5 MB in the beginning and 325.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5501.01 ms. Allocated memory was 364.9 MB in the beginning and 453.0 MB in the end (delta: 88.1 MB). Free memory was 324.5 MB in the beginning and 255.0 MB in the end (delta: 69.4 MB). Peak memory consumption was 157.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4855.2ms, 86 PlacesBefore, 17 PlacesAfterwards, 87 TransitionsBefore, 15 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 7 FixpointIterations, 64 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 97 TotalNumberOfCompositions, 293 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 246, positive: 221, positive conditional: 0, positive unconditional: 221, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 246, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 6 ], Maximal queried relation: 2, Independence queries for same thread: 16 - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; [L1697] 0 pthread_mutex_t mutex; [L1698] 0 int pdev; [L1709] 0 pdev = 1 [L1695] COND FALSE 0 !(!expression) [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={5:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, mutex={3:0}, pdev=2, t1={5:0}] [L1702] 1 pdev = 6 [L1705] 1 return 0; [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5410.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4872.8ms, PartialOrderReductionTime: 60.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.9ms SsaConstructionTime, 72.7ms SatisfiabilityAnalysisTime, 139.2ms InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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...