/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 09:59:43,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 09:59:43,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 09:59:43,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 09:59:43,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 09:59:43,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 09:59:43,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 09:59:43,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 09:59:43,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 09:59:43,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 09:59:43,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 09:59:43,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 09:59:43,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 09:59:43,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 09:59:43,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 09:59:43,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 09:59:43,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 09:59:43,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 09:59:43,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 09:59:43,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 09:59:43,504 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-Separate.epf [2022-01-18 09:59:43,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 09:59:43,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 09:59:43,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 09:59:43,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 09:59:43,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 09:59:43,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 09:59:43,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 09:59:43,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 09:59:43,532 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 09:59:43,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 09:59:43,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 09:59:43,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 09:59:43,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 09:59:43,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 09:59:43,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 09:59:43,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 09:59:43,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 09:59:43,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 09:59:43,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 09:59:43,535 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 09:59:43,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 09:59:43,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 09:59:43,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 09:59:43,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 09:59:43,787 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 09:59:43,800 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 09:59:43,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-01-18 09:59:43,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a3613e9/b384b6bc2dd34b2a82bcdd949d263dbd/FLAG50f241c59 [2022-01-18 09:59:44,302 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 09:59:44,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-01-18 09:59:44,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a3613e9/b384b6bc2dd34b2a82bcdd949d263dbd/FLAG50f241c59 [2022-01-18 09:59:44,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a3613e9/b384b6bc2dd34b2a82bcdd949d263dbd [2022-01-18 09:59:44,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 09:59:44,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 09:59:44,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 09:59:44,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 09:59:44,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 09:59:44,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 09:59:44" (1/1) ... [2022-01-18 09:59:44,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b22adb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:44, skipping insertion in model container [2022-01-18 09:59:44,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 09:59:44" (1/1) ... [2022-01-18 09:59:44,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 09:59:44,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 09:59:44,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-01-18 09:59:45,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 09:59:45,015 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 09:59:45,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-01-18 09:59:45,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 09:59:45,111 INFO L208 MainTranslator]: Completed translation [2022-01-18 09:59:45,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45 WrapperNode [2022-01-18 09:59:45,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 09:59:45,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 09:59:45,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 09:59:45,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 09:59:45,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,180 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-01-18 09:59:45,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 09:59:45,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 09:59:45,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 09:59:45,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 09:59:45,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 09:59:45,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 09:59:45,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 09:59:45,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 09:59:45,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (1/1) ... [2022-01-18 09:59:45,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 09:59:45,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 09:59:45,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 09:59:45,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 09:59:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-01-18 09:59:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-01-18 09:59:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-01-18 09:59:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-01-18 09:59:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-01-18 09:59:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 09:59:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 09:59:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 09:59:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 09:59:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 09:59:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 09:59:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 09:59:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 09:59:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 09:59:45,276 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 09:59:45,511 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 09:59:45,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 09:59:45,606 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 09:59:45,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 09:59:45,611 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 09:59:45,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 09:59:45 BoogieIcfgContainer [2022-01-18 09:59:45,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 09:59:45,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 09:59:45,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 09:59:45,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 09:59:45,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 09:59:44" (1/3) ... [2022-01-18 09:59:45,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b318312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 09:59:45, skipping insertion in model container [2022-01-18 09:59:45,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:45" (2/3) ... [2022-01-18 09:59:45,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b318312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 09:59:45, skipping insertion in model container [2022-01-18 09:59:45,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 09:59:45" (3/3) ... [2022-01-18 09:59:45,617 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-01-18 09:59:45,620 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 09:59:45,620 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 09:59:45,620 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 09:59:45,620 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 09:59:45,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,644 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,648 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,648 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,650 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:45,652 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 09:59:45,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 09:59:45,690 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 09:59:45,690 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 09:59:45,700 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-01-18 09:59:45,765 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-18 09:59:45,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 09:59:45,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 09:59:45,779 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 09:59:45,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 09:59:45,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1366006769, now seen corresponding path program 1 times [2022-01-18 09:59:45,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 09:59:45,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930719584] [2022-01-18 09:59:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 09:59:45,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 09:59:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 09:59:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 09:59:46,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 09:59:46,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930719584] [2022-01-18 09:59:46,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930719584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 09:59:46,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 09:59:46,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 09:59:46,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350466101] [2022-01-18 09:59:46,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 09:59:46,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 09:59:46,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 09:59:46,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 09:59:46,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 09:59:46,117 INFO L87 Difference]: Start difference. First operand has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:46,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 09:59:46,176 INFO L93 Difference]: Finished difference Result 784 states and 1793 transitions. [2022-01-18 09:59:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 09:59:46,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-01-18 09:59:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 09:59:46,188 INFO L225 Difference]: With dead ends: 784 [2022-01-18 09:59:46,188 INFO L226 Difference]: Without dead ends: 416 [2022-01-18 09:59:46,189 INFO L932 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 [2022-01-18 09:59:46,191 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 95 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 09:59:46,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 402 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 09:59:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-01-18 09:59:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2022-01-18 09:59:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 415 states have (on average 2.2265060240963854) internal successors, (924), 415 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 924 transitions. [2022-01-18 09:59:46,254 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 924 transitions. Word has length 53 [2022-01-18 09:59:46,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 09:59:46,255 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 924 transitions. [2022-01-18 09:59:46,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 924 transitions. [2022-01-18 09:59:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-18 09:59:46,258 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 09:59:46,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 09:59:46,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 09:59:46,275 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 09:59:46,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 09:59:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2062470095, now seen corresponding path program 1 times [2022-01-18 09:59:46,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 09:59:46,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280799549] [2022-01-18 09:59:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 09:59:46,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 09:59:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 09:59:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 09:59:46,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 09:59:46,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280799549] [2022-01-18 09:59:46,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280799549] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 09:59:46,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 09:59:46,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 09:59:46,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629361484] [2022-01-18 09:59:46,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 09:59:46,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 09:59:46,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 09:59:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 09:59:46,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 09:59:46,401 INFO L87 Difference]: Start difference. First operand 416 states and 924 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:46,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 09:59:46,422 INFO L93 Difference]: Finished difference Result 320 states and 640 transitions. [2022-01-18 09:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 09:59:46,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-01-18 09:59:46,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 09:59:46,425 INFO L225 Difference]: With dead ends: 320 [2022-01-18 09:59:46,425 INFO L226 Difference]: Without dead ends: 256 [2022-01-18 09:59:46,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 09:59:46,427 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 15 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 09:59:46,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 128 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 09:59:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-01-18 09:59:46,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-01-18 09:59:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.968627450980392) internal successors, (502), 255 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:46,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 502 transitions. [2022-01-18 09:59:46,445 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 502 transitions. Word has length 65 [2022-01-18 09:59:46,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 09:59:46,445 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 502 transitions. [2022-01-18 09:59:46,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 09:59:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 502 transitions. [2022-01-18 09:59:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-18 09:59:46,447 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 09:59:46,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 09:59:46,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 09:59:46,448 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 09:59:46,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 09:59:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1753105336, now seen corresponding path program 1 times [2022-01-18 09:59:46,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 09:59:46,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312600168] [2022-01-18 09:59:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 09:59:46,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 09:59:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 09:59:46,494 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 09:59:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 09:59:46,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 09:59:46,549 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 09:59:46,550 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 09:59:46,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 09:59:46,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 09:59:46,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-18 09:59:46,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 09:59:46,553 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-18 09:59:46,556 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 09:59:46,556 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 09:59:46,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 09:59:46 BasicIcfg [2022-01-18 09:59:46,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 09:59:46,591 INFO L158 Benchmark]: Toolchain (without parser) took 1944.67ms. Allocated memory was 388.0MB in the beginning and 572.5MB in the end (delta: 184.5MB). Free memory was 330.0MB in the beginning and 386.9MB in the end (delta: -56.9MB). Peak memory consumption was 130.5MB. Max. memory is 16.0GB. [2022-01-18 09:59:46,591 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 388.0MB. Free memory is still 348.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 09:59:46,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.82ms. Allocated memory was 388.0MB in the beginning and 572.5MB in the end (delta: 184.5MB). Free memory was 329.8MB in the beginning and 518.0MB in the end (delta: -188.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.0GB. [2022-01-18 09:59:46,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.27ms. Allocated memory is still 572.5MB. Free memory was 518.0MB in the beginning and 514.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-18 09:59:46,592 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 572.5MB. Free memory was 514.8MB in the beginning and 512.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 09:59:46,592 INFO L158 Benchmark]: RCFGBuilder took 404.26ms. Allocated memory is still 572.5MB. Free memory was 512.7MB in the beginning and 493.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2022-01-18 09:59:46,593 INFO L158 Benchmark]: TraceAbstraction took 977.74ms. Allocated memory is still 572.5MB. Free memory was 493.8MB in the beginning and 386.9MB in the end (delta: 106.9MB). Peak memory consumption was 107.0MB. Max. memory is 16.0GB. [2022-01-18 09:59:46,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 388.0MB. Free memory is still 348.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 464.82ms. Allocated memory was 388.0MB in the beginning and 572.5MB in the end (delta: 184.5MB). Free memory was 329.8MB in the beginning and 518.0MB in the end (delta: -188.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 68.27ms. Allocated memory is still 572.5MB. Free memory was 518.0MB in the beginning and 514.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 572.5MB. Free memory was 514.8MB in the beginning and 512.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 404.26ms. Allocated memory is still 572.5MB. Free memory was 512.7MB in the beginning and 493.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 977.74ms. Allocated memory is still 572.5MB. Free memory was 493.8MB in the beginning and 386.9MB in the end (delta: 106.9MB). Peak memory consumption was 107.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={7:0}, t2={6:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1366] 2 g = 0 VAL [cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 530 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 211 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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! [2022-01-18 09:59:46,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...