/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:42:13,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:42:13,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:42:14,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:42:14,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:42:14,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:42:14,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:42:14,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:42:14,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:42:14,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:42:14,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:42:14,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:42:14,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:42:14,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:42:14,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:42:14,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:42:14,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:42:14,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:42:14,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:42:14,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:42:14,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:42:14,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:42:14,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:42:14,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:42:14,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:42:14,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:42:14,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:42:14,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:42:14,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:42:14,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:42:14,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:42:14,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:42:14,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:42:14,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:42:14,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:42:14,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:42:14,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:42:14,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:42:14,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:42:14,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:42:14,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:42:14,084 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-RepeatedSemanticLbe.epf [2022-12-05 23:42:14,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:42:14,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:42:14,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:42:14,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:42:14,117 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:42:14,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:42:14,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:42:14,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:42:14,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:42:14,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:42:14,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:42:14,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:42:14,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:42:14,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:42:14,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:42:14,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:42:14,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:42:14,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:42:14,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:42:14,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:42:14,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:42:14,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:42:14,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:42:14,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:42:14,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:42:14,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:42:14,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:42:14,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:42:14,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:42:14,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:42:14,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:42:14,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:42:14,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:42:14,451 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:42:14,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-05 23:42:15,503 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:42:15,741 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:42:15,741 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-05 23:42:15,754 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a29b087b/e13ce35863ba498ba2efb1a11abaaeb4/FLAGbfaa5e88a [2022-12-05 23:42:15,773 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a29b087b/e13ce35863ba498ba2efb1a11abaaeb4 [2022-12-05 23:42:15,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:42:15,776 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:42:15,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:42:15,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:42:15,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:42:15,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:15" (1/1) ... [2022-12-05 23:42:15,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c70013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:15, skipping insertion in model container [2022-12-05 23:42:15,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:15" (1/1) ... [2022-12-05 23:42:15,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:42:15,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:42:15,935 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-05 23:42:16,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:42:16,119 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:42:16,132 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-05 23:42:16,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:42:16,208 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:42:16,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16 WrapperNode [2022-12-05 23:42:16,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:42:16,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:42:16,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:42:16,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:42:16,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,256 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-05 23:42:16,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:42:16,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:42:16,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:42:16,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:42:16,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:42:16,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:42:16,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:42:16,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:42:16,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (1/1) ... [2022-12-05 23:42:16,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:42:16,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:42:16,315 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) [2022-12-05 23:42:16,345 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 [2022-12-05 23:42:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:42:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:42:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 23:42:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:42:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:42:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 23:42:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 23:42:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:42:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:42:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:42:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:42:16,363 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:42:16,476 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:42:16,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:42:16,704 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:42:16,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:42:16,710 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 23:42:16,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:16 BoogieIcfgContainer [2022-12-05 23:42:16,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:42:16,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:42:16,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:42:16,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:42:16,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:42:15" (1/3) ... [2022-12-05 23:42:16,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2166954d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:42:16, skipping insertion in model container [2022-12-05 23:42:16,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:16" (2/3) ... [2022-12-05 23:42:16,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2166954d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:42:16, skipping insertion in model container [2022-12-05 23:42:16,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:16" (3/3) ... [2022-12-05 23:42:16,722 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-05 23:42:16,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:42:16,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:42:16,738 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:42:16,808 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 23:42:16,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 23:42:16,904 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 23:42:16,904 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:42:16,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-05 23:42:16,908 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 23:42:16,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-05 23:42:16,913 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:42:16,945 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-05 23:42:16,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-12-05 23:42:16,975 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-12-05 23:42:16,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:42:16,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-05 23:42:16,977 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-05 23:42:16,977 INFO L188 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-05 23:42:19,864 INFO L203 LiptonReduction]: Total number of compositions: 45 [2022-12-05 23:42:19,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:42:19,882 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;@59ee4bcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:42:19,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 23:42:19,885 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-05 23:42:19,885 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:42:19,885 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:42:19,886 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-05 23:42:19,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 23:42:19,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:42:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash 6882470, now seen corresponding path program 1 times [2022-12-05 23:42:19,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:42:19,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087335393] [2022-12-05 23:42:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:42:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:42:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 23:42:19,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 23:42:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 23:42:20,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 23:42:20,027 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 23:42:20,028 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-05 23:42:20,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-05 23:42:20,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:42:20,030 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-05 23:42:20,035 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:42:20,035 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:42:20,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:42:20 BasicIcfg [2022-12-05 23:42:20,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:42:20,056 INFO L158 Benchmark]: Toolchain (without parser) took 4279.97ms. Allocated memory was 181.4MB in the beginning and 232.8MB in the end (delta: 51.4MB). Free memory was 146.5MB in the beginning and 109.1MB in the end (delta: 37.4MB). Peak memory consumption was 89.3MB. Max. memory is 8.0GB. [2022-12-05 23:42:20,057 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:42:20,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 181.4MB. Free memory was 146.5MB in the beginning and 127.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 23:42:20,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.49ms. Allocated memory is still 181.4MB. Free memory was 127.5MB in the beginning and 125.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:42:20,060 INFO L158 Benchmark]: Boogie Preprocessor took 20.79ms. Allocated memory is still 181.4MB. Free memory was 125.5MB in the beginning and 124.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 23:42:20,061 INFO L158 Benchmark]: RCFGBuilder took 433.14ms. Allocated memory is still 181.4MB. Free memory was 124.0MB in the beginning and 111.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 23:42:20,062 INFO L158 Benchmark]: TraceAbstraction took 3341.57ms. Allocated memory was 181.4MB in the beginning and 232.8MB in the end (delta: 51.4MB). Free memory was 110.3MB in the beginning and 109.1MB in the end (delta: 1.2MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. [2022-12-05 23:42:20,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 181.4MB. Free memory was 146.5MB in the beginning and 127.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.49ms. Allocated memory is still 181.4MB. Free memory was 127.5MB in the beginning and 125.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.79ms. Allocated memory is still 181.4MB. Free memory was 125.5MB in the beginning and 124.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 433.14ms. Allocated memory is still 181.4MB. Free memory was 124.0MB in the beginning and 111.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3341.57ms. Allocated memory was 181.4MB in the beginning and 232.8MB in the end (delta: 51.4MB). Free memory was 110.3MB in the beginning and 109.1MB in the end (delta: 1.2MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 56 PlacesBefore, 14 PlacesAfterwards, 52 TransitionsBefore, 10 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 18 ConcurrentYvCompositions, 0 ChoiceCompositions, 45 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 180, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 207, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 281, Positive cache size: 264, Positive conditional cache size: 0, Positive unconditional cache size: 264, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, 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 glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 81 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: 3.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 4 NumberOfCodeBlocks, 4 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! [2022-12-05 23:42:20,084 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...