/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 22:03:54,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 22:03:54,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 22:03:54,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 22:03:54,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 22:03:54,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 22:03:54,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 22:03:54,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 22:03:54,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 22:03:54,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 22:03:54,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 22:03:54,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 22:03:54,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 22:03:54,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 22:03:54,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 22:03:54,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 22:03:54,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 22:03:54,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 22:03:54,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 22:03:54,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 22:03:54,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 22:03:54,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 22:03:54,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 22:03:54,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 22:03:54,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 22:03:54,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 22:03:54,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 22:03:54,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 22:03:54,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 22:03:54,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-12-12 22:03:54,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 22:03:54,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 22:03:54,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 22:03:54,232 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-PN-SemanticLbe.epf [2022-12-12 22:03:54,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 22:03:54,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 22:03:54,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 22:03:54,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 22:03:54,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 22:03:54,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 22:03:54,270 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 22:03:54,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 22:03:54,271 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 22:03:54,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 22:03:54,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 22:03:54,273 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 22:03:54,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 22:03:54,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 22:03:54,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 22:03:54,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 22:03:54,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 22:03:54,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 22:03:54,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 22:03:54,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 22:03:54,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 22:03:54,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 22:03:54,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 22:03:54,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 22:03:54,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-12 22:03:54,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 22:03:54,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 22:03:54,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 22:03:54,582 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 22:03:54,582 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 22:03:54,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-12 22:03:55,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 22:03:56,040 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 22:03:56,040 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-12 22:03:56,054 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c01969c9/b62e09b642784e55a15d4ce02ea45a98/FLAG67c0b3f99 [2022-12-12 22:03:56,072 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c01969c9/b62e09b642784e55a15d4ce02ea45a98 [2022-12-12 22:03:56,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 22:03:56,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 22:03:56,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 22:03:56,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 22:03:56,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 22:03:56,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f7091e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56, skipping insertion in model container [2022-12-12 22:03:56,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 22:03:56,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 22:03:56,298 WARN L237 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_unknown_1_pos.i[1103,1116] [2022-12-12 22:03:56,597 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-12 22:03:56,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 22:03:56,611 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 22:03:56,623 WARN L237 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_unknown_1_pos.i[1103,1116] [2022-12-12 22:03:56,657 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-12 22:03:56,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 22:03:56,733 INFO L208 MainTranslator]: Completed translation [2022-12-12 22:03:56,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56 WrapperNode [2022-12-12 22:03:56,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 22:03:56,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 22:03:56,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 22:03:56,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 22:03:56,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,785 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-12 22:03:56,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 22:03:56,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 22:03:56,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 22:03:56,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 22:03:56,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 22:03:56,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 22:03:56,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 22:03:56,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 22:03:56,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (1/1) ... [2022-12-12 22:03:56,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 22:03:56,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 22:03:56,857 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) [2022-12-12 22:03:56,874 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 [2022-12-12 22:03:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-12 22:03:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-12 22:03:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-12 22:03:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-12 22:03:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-12 22:03:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 22:03:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 22:03:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 22:03:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 22:03:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-12 22:03:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 22:03:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 22:03:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 22:03:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 22:03:56,900 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 22:03:57,185 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 22:03:57,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 22:03:57,345 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 22:03:57,352 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 22:03:57,352 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 22:03:57,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 10:03:57 BoogieIcfgContainer [2022-12-12 22:03:57,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 22:03:57,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 22:03:57,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 22:03:57,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 22:03:57,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 10:03:56" (1/3) ... [2022-12-12 22:03:57,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434da75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 10:03:57, skipping insertion in model container [2022-12-12 22:03:57,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 10:03:56" (2/3) ... [2022-12-12 22:03:57,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434da75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 10:03:57, skipping insertion in model container [2022-12-12 22:03:57,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 10:03:57" (3/3) ... [2022-12-12 22:03:57,361 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-12 22:03:57,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 22:03:57,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 22:03:57,377 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 22:03:57,423 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 22:03:57,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-12 22:03:57,518 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-12 22:03:57,518 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 22:03:57,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 86 events. 1/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2022-12-12 22:03:57,524 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-12 22:03:57,529 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 70 transitions, 149 flow [2022-12-12 22:03:57,531 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 22:03:57,562 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 70 transitions, 149 flow [2022-12-12 22:03:57,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 70 transitions, 149 flow [2022-12-12 22:03:57,591 INFO L130 PetriNetUnfolder]: 0/70 cut-off events. [2022-12-12 22:03:57,592 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 22:03:57,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 70 events. 0/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-12 22:03:57,595 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 70 transitions, 149 flow [2022-12-12 22:03:57,596 INFO L226 LiptonReduction]: Number of co-enabled transitions 552 [2022-12-12 22:04:01,489 INFO L241 LiptonReduction]: Total number of compositions: 59 [2022-12-12 22:04:01,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 22:04:01,511 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@721d2a1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 22:04:01,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-12 22:04:01,515 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-12-12 22:04:01,515 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 22:04:01,516 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:04:01,516 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-12 22:04:01,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:04:01,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:04:01,521 INFO L85 PathProgramCache]: Analyzing trace with hash 341228257, now seen corresponding path program 1 times [2022-12-12 22:04:01,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:04:01,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380615110] [2022-12-12 22:04:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:04:01,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:04:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:04:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 22:04:01,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:04:01,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380615110] [2022-12-12 22:04:01,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380615110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:04:01,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 22:04:01,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 22:04:01,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716627867] [2022-12-12 22:04:01,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:04:02,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 22:04:02,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:04:02,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 22:04:02,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 22:04:02,028 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 24 [2022-12-12 22:04:02,030 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-12-12 22:04:02,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:04:02,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 24 [2022-12-12 22:04:02,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:04:02,131 INFO L130 PetriNetUnfolder]: 119/257 cut-off events. [2022-12-12 22:04:02,131 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-12 22:04:02,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 257 events. 119/257 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1201 event pairs, 75 based on Foata normal form. 23/168 useless extension candidates. Maximal degree in co-relation 494. Up to 141 conditions per place. [2022-12-12 22:04:02,135 INFO L137 encePairwiseOnDemand]: 17/24 looper letters, 17 selfloop transitions, 6 changer transitions 2/29 dead transitions. [2022-12-12 22:04:02,135 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 120 flow [2022-12-12 22:04:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 22:04:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 22:04:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-12-12 22:04:02,146 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5277777777777778 [2022-12-12 22:04:02,149 INFO L295 CegarLoopForPetriNet]: 31 programPoint places, 2 predicate places. [2022-12-12 22:04:02,150 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 120 flow [2022-12-12 22:04:02,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 27 transitions, 112 flow [2022-12-12 22:04:02,152 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 112 flow [2022-12-12 22:04:02,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-12-12 22:04:02,153 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:04:02,153 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-12 22:04:02,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 22:04:02,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:04:02,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:04:02,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1988141108, now seen corresponding path program 1 times [2022-12-12 22:04:02,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:04:02,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122990084] [2022-12-12 22:04:02,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:04:02,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:04:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:04:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 22:04:02,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:04:02,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122990084] [2022-12-12 22:04:02,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122990084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:04:02,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 22:04:02,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 22:04:02,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828443991] [2022-12-12 22:04:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:04:02,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 22:04:02,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:04:02,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 22:04:02,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 22:04:02,323 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 24 [2022-12-12 22:04:02,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-12 22:04:02,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:04:02,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 24 [2022-12-12 22:04:02,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:04:02,385 INFO L130 PetriNetUnfolder]: 50/129 cut-off events. [2022-12-12 22:04:02,385 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-12 22:04:02,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 129 events. 50/129 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 608 event pairs, 12 based on Foata normal form. 18/101 useless extension candidates. Maximal degree in co-relation 365. Up to 79 conditions per place. [2022-12-12 22:04:02,391 INFO L137 encePairwiseOnDemand]: 18/24 looper letters, 15 selfloop transitions, 3 changer transitions 18/37 dead transitions. [2022-12-12 22:04:02,391 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 229 flow [2022-12-12 22:04:02,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 22:04:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 22:04:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-12-12 22:04:02,395 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-12 22:04:02,396 INFO L295 CegarLoopForPetriNet]: 31 programPoint places, 2 predicate places. [2022-12-12 22:04:02,396 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 37 transitions, 229 flow [2022-12-12 22:04:02,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 19 transitions, 120 flow [2022-12-12 22:04:02,397 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 120 flow [2022-12-12 22:04:02,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-12 22:04:02,397 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:04:02,397 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 22:04:02,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 22:04:02,398 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:04:02,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:04:02,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1503071877, now seen corresponding path program 1 times [2022-12-12 22:04:02,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:04:02,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574111978] [2022-12-12 22:04:02,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:04:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:04:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-12 22:04:02,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-12 22:04:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-12 22:04:02,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-12 22:04:02,467 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-12 22:04:02,468 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-12 22:04:02,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-12 22:04:02,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-12 22:04:02,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-12 22:04:02,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 22:04:02,471 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-12 22:04:02,477 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 22:04:02,477 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 22:04:02,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 10:04:02 BasicIcfg [2022-12-12 22:04:02,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 22:04:02,503 INFO L158 Benchmark]: Toolchain (without parser) took 6427.90ms. Allocated memory was 207.6MB in the beginning and 270.5MB in the end (delta: 62.9MB). Free memory was 181.9MB in the beginning and 110.9MB in the end (delta: 71.0MB). Peak memory consumption was 135.2MB. Max. memory is 8.0GB. [2022-12-12 22:04:02,503 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 207.6MB. Free memory was 183.8MB in the beginning and 183.6MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 22:04:02,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.26ms. Allocated memory is still 207.6MB. Free memory was 181.6MB in the beginning and 143.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-12 22:04:02,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.57ms. Allocated memory is still 207.6MB. Free memory was 143.9MB in the beginning and 140.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-12 22:04:02,504 INFO L158 Benchmark]: Boogie Preprocessor took 33.39ms. Allocated memory is still 207.6MB. Free memory was 140.7MB in the beginning and 138.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-12 22:04:02,505 INFO L158 Benchmark]: RCFGBuilder took 534.09ms. Allocated memory is still 207.6MB. Free memory was 138.1MB in the beginning and 118.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-12 22:04:02,505 INFO L158 Benchmark]: TraceAbstraction took 5146.21ms. Allocated memory was 207.6MB in the beginning and 270.5MB in the end (delta: 62.9MB). Free memory was 117.7MB in the beginning and 110.9MB in the end (delta: 6.8MB). Peak memory consumption was 71.2MB. Max. memory is 8.0GB. [2022-12-12 22:04:02,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 207.6MB. Free memory was 183.8MB in the beginning and 183.6MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 658.26ms. Allocated memory is still 207.6MB. Free memory was 181.6MB in the beginning and 143.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.57ms. Allocated memory is still 207.6MB. Free memory was 143.9MB in the beginning and 140.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.39ms. Allocated memory is still 207.6MB. Free memory was 140.7MB in the beginning and 138.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 534.09ms. Allocated memory is still 207.6MB. Free memory was 138.1MB in the beginning and 118.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 5146.21ms. Allocated memory was 207.6MB in the beginning and 270.5MB in the end (delta: 62.9MB). Free memory was 117.7MB in the beginning and 110.9MB in the end (delta: 6.8MB). Peak memory consumption was 71.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 77 PlacesBefore, 31 PlacesAfterwards, 70 TransitionsBefore, 24 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 25 ConcurrentYvCompositions, 0 ChoiceCompositions, 59 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 560, independent: 507, independent conditional: 507, independent unconditional: 0, dependent: 53, dependent conditional: 53, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 560, independent: 507, independent conditional: 0, independent unconditional: 507, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 560, independent: 507, independent conditional: 0, independent unconditional: 507, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 560, independent: 507, independent conditional: 0, independent unconditional: 507, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 412, independent: 393, independent conditional: 0, independent unconditional: 393, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 412, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 560, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 412, unknown conditional: 0, unknown unconditional: 412] , Statistics on independence cache: Total cache size (in pairs): 722, Positive cache size: 703, Positive conditional cache size: 0, Positive unconditional cache size: 703, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - 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; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [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={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-2, ptr={0:0}, t1={6:0}, t2={5:0}] [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={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1356] 1 g = 1 VAL [cond={4:0}, g=1, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={4:0}, g=1, mut={3:0}, ptr={0:0}, ptr={0:0}] - 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 0 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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! [2022-12-12 22:04:02,524 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...