/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:08:39,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:08:39,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:08:39,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:08:39,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:08:39,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:08:39,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:08:39,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:08:39,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:08:39,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:08:39,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:08:39,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:08:39,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:08:39,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:08:39,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:08:39,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:08:39,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:08:39,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:08:39,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:08:39,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:08:39,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:08:39,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:08:39,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:08:39,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:08:39,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 07:08:39,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:08:39,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:08:39,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:08:39,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:08:39,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:08:39,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:08:39,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:08:39,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:08:39,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:08:39,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:08:39,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:08:39,239 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:08:39,263 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:08:39,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:08:39,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:08:39,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:08:39,265 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:08:39,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:08:39,266 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:08:39,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:08:39,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:08:39,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:08:39,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:08:39,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:08:39,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:08:39,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:08:39,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:08:39,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:08:39,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:08:39,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:08:39,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:08:39,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:08:39,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:08:39,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:08:39,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:08:39,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:08:39,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:08:39,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:08:39,553 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:08:39,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-06 07:08:40,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:08:40,715 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:08:40,716 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-06 07:08:40,726 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5be84960/e54aee613e774777b9027cc570881c41/FLAG811ba79d7 [2022-12-06 07:08:40,744 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5be84960/e54aee613e774777b9027cc570881c41 [2022-12-06 07:08:40,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:08:40,747 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:08:40,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:08:40,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:08:40,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:08:40,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:08:40" (1/1) ... [2022-12-06 07:08:40,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fddf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:40, skipping insertion in model container [2022-12-06 07:08:40,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:08:40" (1/1) ... [2022-12-06 07:08:40,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:08:40,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:08:40,879 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-06 07:08:40,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:08:41,002 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:08:41,015 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-06 07:08:41,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:08:41,088 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:08:41,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41 WrapperNode [2022-12-06 07:08:41,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:08:41,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:08:41,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:08:41,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:08:41,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,139 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-12-06 07:08:41,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:08:41,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:08:41,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:08:41,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:08:41,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:08:41,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:08:41,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:08:41,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:08:41,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (1/1) ... [2022-12-06 07:08:41,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:08:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:08:41,221 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) [2022-12-06 07:08:41,224 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 [2022-12-06 07:08:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:08:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 07:08:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:08:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:08:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 07:08:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 07:08:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:08:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:08:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:08:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:08:41,250 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 07:08:41,407 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:08:41,409 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:08:41,532 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:08:41,536 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:08:41,537 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:08:41,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:08:41 BoogieIcfgContainer [2022-12-06 07:08:41,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:08:41,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:08:41,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:08:41,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:08:41,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:08:40" (1/3) ... [2022-12-06 07:08:41,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104b0933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:08:41, skipping insertion in model container [2022-12-06 07:08:41,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:41" (2/3) ... [2022-12-06 07:08:41,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104b0933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:08:41, skipping insertion in model container [2022-12-06 07:08:41,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:08:41" (3/3) ... [2022-12-06 07:08:41,544 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-06 07:08:41,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:08:41,558 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:08:41,558 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:08:41,604 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 07:08:41,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 60 transitions, 125 flow [2022-12-06 07:08:41,687 INFO L130 PetriNetUnfolder]: 1/59 cut-off events. [2022-12-06 07:08:41,687 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:41,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-12-06 07:08:41,690 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 60 transitions, 125 flow [2022-12-06 07:08:41,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 51 transitions, 105 flow [2022-12-06 07:08:41,694 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:41,715 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 105 flow [2022-12-06 07:08:41,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 105 flow [2022-12-06 07:08:41,747 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-12-06 07:08:41,747 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:41,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 0/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 07:08:41,749 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 105 flow [2022-12-06 07:08:41,749 INFO L188 LiptonReduction]: Number of co-enabled transitions 240 [2022-12-06 07:08:43,818 INFO L203 LiptonReduction]: Total number of compositions: 43 [2022-12-06 07:08:43,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:08:43,832 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=REPEATED_LIPTON_PN, 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;@6df76aa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:08:43,832 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 07:08:43,834 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-06 07:08:43,834 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:43,834 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:08:43,835 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 07:08:43,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:08:43,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:08:43,838 INFO L85 PathProgramCache]: Analyzing trace with hash 196294938, now seen corresponding path program 1 times [2022-12-06 07:08:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:08:43,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064006690] [2022-12-06 07:08:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:08:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:08:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:08:43,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 07:08:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:08:43,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 07:08:43,968 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 07:08:43,969 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-06 07:08:43,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-06 07:08:43,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:08:43,971 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 07:08:43,974 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:08:43,974 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:08:43,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:08:43 BasicIcfg [2022-12-06 07:08:43,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:08:43,987 INFO L158 Benchmark]: Toolchain (without parser) took 3239.51ms. Allocated memory was 199.2MB in the beginning and 276.8MB in the end (delta: 77.6MB). Free memory was 172.0MB in the beginning and 246.9MB in the end (delta: -74.9MB). Peak memory consumption was 3.7MB. Max. memory is 8.0GB. [2022-12-06 07:08:43,987 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:08:43,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.81ms. Allocated memory is still 199.2MB. Free memory was 172.0MB in the beginning and 153.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 07:08:43,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 151.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:08:43,989 INFO L158 Benchmark]: Boogie Preprocessor took 39.94ms. Allocated memory is still 199.2MB. Free memory was 151.2MB in the beginning and 150.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:08:43,990 INFO L158 Benchmark]: RCFGBuilder took 358.09ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 137.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 07:08:43,991 INFO L158 Benchmark]: TraceAbstraction took 2446.24ms. Allocated memory was 199.2MB in the beginning and 276.8MB in the end (delta: 77.6MB). Free memory was 136.6MB in the beginning and 246.9MB in the end (delta: -110.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:08:43,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.81ms. Allocated memory is still 199.2MB. Free memory was 172.0MB in the beginning and 153.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 151.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.94ms. Allocated memory is still 199.2MB. Free memory was 151.2MB in the beginning and 150.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 358.09ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 137.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2446.24ms. Allocated memory was 199.2MB in the beginning and 276.8MB in the end (delta: 77.6MB). Free memory was 136.6MB in the beginning and 246.9MB in the end (delta: -110.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 55 PlacesBefore, 15 PlacesAfterwards, 51 TransitionsBefore, 11 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 15 ConcurrentYvCompositions, 0 ChoiceCompositions, 43 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 217, independent: 178, independent conditional: 178, independent unconditional: 0, dependent: 39, dependent conditional: 39, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 217, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 217, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 217, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 171, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 171, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 217, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 171, unknown conditional: 0, unknown unconditional: 171] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 226, Positive conditional cache size: 0, Positive unconditional cache size: 226, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, 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: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: 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 3 procedures, 72 locations, 2 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: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-12-06 07:08:44,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...