/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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 12:29:07,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:29:07,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:29:07,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:29:07,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:29:07,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:29:07,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:29:07,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:29:07,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:29:07,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:29:07,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:29:07,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:29:07,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:29:07,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:29:07,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:29:07,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:29:07,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:29:07,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:29:07,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:29:07,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:29:07,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:29:07,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:29:07,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:29:07,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:29:07,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:29:07,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:29:07,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:29:07,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:29:07,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:29:07,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:29:07,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:29:07,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:29:07,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:29:07,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:29:07,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:29:07,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:29:07,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:29:07,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:29:07,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:29:07,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:29:07,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:29:07,125 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 [2022-12-13 12:29:07,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:29:07,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:29:07,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:29:07,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:29:07,154 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:29:07,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:29:07,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:29:07,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:29:07,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:29:07,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:29:07,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:29:07,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:29:07,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:29:07,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:29:07,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:29:07,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:29:07,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:29:07,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:29:07,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:29:07,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:29:07,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:29:07,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 12:29:07,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 12:29:07,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:29:07,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:29:07,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:29:07,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:29:07,427 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:29:07,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-12-13 12:29:08,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:29:08,555 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:29:08,556 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-12-13 12:29:08,567 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88e3dd8a6/15c36c18995f4d69bd6a297800cc179a/FLAG39422b5e9 [2022-12-13 12:29:08,576 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88e3dd8a6/15c36c18995f4d69bd6a297800cc179a [2022-12-13 12:29:08,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:29:08,579 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 12:29:08,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:29:08,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:29:08,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:29:08,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494b5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08, skipping insertion in model container [2022-12-13 12:29:08,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:29:08,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:29:08,735 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-12-13 12:29:08,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:29:08,831 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:29:08,838 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-12-13 12:29:08,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:29:08,881 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:29:08,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08 WrapperNode [2022-12-13 12:29:08,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:29:08,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:29:08,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:29:08,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:29:08,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,918 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-13 12:29:08,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:29:08,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:29:08,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:29:08,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:29:08,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:29:08,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:29:08,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:29:08,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:29:08,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (1/1) ... [2022-12-13 12:29:08,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:29:08,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 12:29:08,987 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) [2022-12-13 12:29:09,009 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 [2022-12-13 12:29:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:29:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 12:29:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:29:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:29:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 12:29:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 12:29:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:29:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:29:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:29:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:29:09,041 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 12:29:09,174 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 12:29:09,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:29:09,342 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 12:29:09,353 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:29:09,353 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:29:09,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:29:09 BoogieIcfgContainer [2022-12-13 12:29:09,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:29:09,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:29:09,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:29:09,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:29:09,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:29:08" (1/3) ... [2022-12-13 12:29:09,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bae058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:29:09, skipping insertion in model container [2022-12-13 12:29:09,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:08" (2/3) ... [2022-12-13 12:29:09,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bae058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:29:09, skipping insertion in model container [2022-12-13 12:29:09,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:29:09" (3/3) ... [2022-12-13 12:29:09,363 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-12-13 12:29:09,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:29:09,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:29:09,376 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:29:09,429 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:29:09,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 149 flow [2022-12-13 12:29:09,500 INFO L130 PetriNetUnfolder]: 2/71 cut-off events. [2022-12-13 12:29:09,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:29:09,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2022-12-13 12:29:09,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 149 flow [2022-12-13 12:29:09,509 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2022-12-13 12:29:09,510 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:29:09,530 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 61 transitions, 125 flow [2022-12-13 12:29:09,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 125 flow [2022-12-13 12:29:09,551 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2022-12-13 12:29:09,551 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:29:09,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-13 12:29:09,552 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 61 transitions, 125 flow [2022-12-13 12:29:09,553 INFO L226 LiptonReduction]: Number of co-enabled transitions 360 [2022-12-13 12:29:11,879 INFO L241 LiptonReduction]: Total number of compositions: 48 [2022-12-13 12:29:11,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:29:11,894 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;@5af150d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 12:29:11,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:29:11,896 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-13 12:29:11,896 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:29:11,896 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:29:11,897 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 12:29:11,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 12:29:11,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:11,900 INFO L85 PathProgramCache]: Analyzing trace with hash 232260390, now seen corresponding path program 1 times [2022-12-13 12:29:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:11,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723686672] [2022-12-13 12:29:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:11,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:29:11,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:29:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:29:12,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:29:12,006 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:29:12,006 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 12:29:12,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 12:29:12,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:29:12,008 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:29:12,014 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:29:12,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:29:12,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:29:12 BasicIcfg [2022-12-13 12:29:12,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:29:12,031 INFO L158 Benchmark]: Toolchain (without parser) took 3451.27ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 165.1MB in the beginning and 147.1MB in the end (delta: 18.1MB). Peak memory consumption was 65.6MB. Max. memory is 8.0GB. [2022-12-13 12:29:12,032 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 178.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 12:29:12,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.73ms. Allocated memory is still 201.3MB. Free memory was 164.5MB in the beginning and 145.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 12:29:12,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.86ms. Allocated memory is still 201.3MB. Free memory was 145.1MB in the beginning and 143.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 12:29:12,035 INFO L158 Benchmark]: Boogie Preprocessor took 29.29ms. Allocated memory is still 201.3MB. Free memory was 143.0MB in the beginning and 141.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 12:29:12,036 INFO L158 Benchmark]: RCFGBuilder took 406.57ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 128.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-13 12:29:12,037 INFO L158 Benchmark]: TraceAbstraction took 2673.23ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 127.3MB in the beginning and 147.1MB in the end (delta: -19.8MB). Peak memory consumption was 27.9MB. Max. memory is 8.0GB. [2022-12-13 12:29:12,041 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 201.3MB. Free memory is still 178.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 301.73ms. Allocated memory is still 201.3MB. Free memory was 164.5MB in the beginning and 145.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.86ms. Allocated memory is still 201.3MB. Free memory was 145.1MB in the beginning and 143.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.29ms. Allocated memory is still 201.3MB. Free memory was 143.0MB in the beginning and 141.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 406.57ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 128.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2673.23ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 127.3MB in the beginning and 147.1MB in the end (delta: -19.8MB). Peak memory consumption was 27.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 64 PlacesBefore, 22 PlacesAfterwards, 61 TransitionsBefore, 19 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 16 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424, independent: 365, independent conditional: 365, independent unconditional: 0, dependent: 59, dependent conditional: 59, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 424, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 424, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 424, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 424, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 395, Positive cache size: 364, Positive conditional cache size: 0, Positive unconditional cache size: 364, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, 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: [L682] 0 int g = 42; [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L694] 0 int r = __VERIFIER_nondet_int(); [L695] 0 int t; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - 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, 83 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: 2.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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! [2022-12-13 12:29:12,073 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...