/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 19:33:30,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 19:33:30,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 19:33:30,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 19:33:30,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 19:33:30,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 19:33:30,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 19:33:30,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 19:33:30,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 19:33:30,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 19:33:30,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 19:33:30,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 19:33:30,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 19:33:30,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 19:33:30,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 19:33:30,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 19:33:30,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 19:33:30,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 19:33:30,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 19:33:30,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 19:33:30,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 19:33:30,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 19:33:30,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 19:33:30,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 19:33:30,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-27 19:33:30,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 19:33:30,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 19:33:30,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 19:33:30,122 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-VariableLbe.epf [2023-01-27 19:33:30,157 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 19:33:30,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 19:33:30,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 19:33:30,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 19:33:30,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 19:33:30,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 19:33:30,160 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 19:33:30,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 19:33:30,160 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 19:33:30,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 19:33:30,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 19:33:30,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 19:33:30,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 19:33:30,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 19:33:30,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 19:33:30,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 19:33:30,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 19:33:30,163 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 19:33:30,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 19:33:30,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 19:33:30,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 19:33:30,504 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 19:33:30,510 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 19:33:30,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-01-27 19:33:32,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 19:33:32,502 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 19:33:32,502 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-01-27 19:33:32,539 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7776e8373/8e61337776e94af4b11769765db67edd/FLAG8bf0c4060 [2023-01-27 19:33:32,551 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7776e8373/8e61337776e94af4b11769765db67edd [2023-01-27 19:33:32,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 19:33:32,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 19:33:32,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 19:33:32,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 19:33:32,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 19:33:32,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 07:33:32" (1/1) ... [2023-01-27 19:33:32,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188a7fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:32, skipping insertion in model container [2023-01-27 19:33:32,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 07:33:32" (1/1) ... [2023-01-27 19:33:32,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 19:33:32,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 19:33:33,457 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2023-01-27 19:33:33,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 19:33:33,503 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 19:33:33,544 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2023-01-27 19:33:33,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 19:33:33,660 INFO L208 MainTranslator]: Completed translation [2023-01-27 19:33:33,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33 WrapperNode [2023-01-27 19:33:33,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 19:33:33,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 19:33:33,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 19:33:33,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 19:33:33,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,774 INFO L138 Inliner]: procedures = 377, calls = 72, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 238 [2023-01-27 19:33:33,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 19:33:33,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 19:33:33,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 19:33:33,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 19:33:33,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 19:33:33,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 19:33:33,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 19:33:33,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 19:33:33,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (1/1) ... [2023-01-27 19:33:33,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 19:33:33,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 19:33:33,858 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) [2023-01-27 19:33:33,962 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 [2023-01-27 19:33:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 19:33:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-27 19:33:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 19:33:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-27 19:33:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-27 19:33:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 19:33:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 19:33:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 19:33:33,986 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 19:33:34,245 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 19:33:34,247 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 19:33:34,712 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 19:33:34,721 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 19:33:34,721 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-01-27 19:33:34,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 07:33:34 BoogieIcfgContainer [2023-01-27 19:33:34,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 19:33:34,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 19:33:34,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 19:33:34,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 19:33:34,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 07:33:32" (1/3) ... [2023-01-27 19:33:34,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6506560b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 07:33:34, skipping insertion in model container [2023-01-27 19:33:34,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:33:33" (2/3) ... [2023-01-27 19:33:34,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6506560b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 07:33:34, skipping insertion in model container [2023-01-27 19:33:34,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 07:33:34" (3/3) ... [2023-01-27 19:33:34,745 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2023-01-27 19:33:34,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 19:33:34,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-01-27 19:33:34,758 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 19:33:34,906 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-01-27 19:33:34,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 240 transitions, 488 flow [2023-01-27 19:33:35,156 INFO L130 PetriNetUnfolder]: 45/343 cut-off events. [2023-01-27 19:33:35,156 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-27 19:33:35,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 343 events. 45/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1028 event pairs, 0 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 186. Up to 8 conditions per place. [2023-01-27 19:33:35,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 240 transitions, 488 flow [2023-01-27 19:33:35,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 235 transitions, 475 flow [2023-01-27 19:33:35,191 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 19:33:35,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 235 transitions, 475 flow [2023-01-27 19:33:35,211 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 235 transitions, 475 flow [2023-01-27 19:33:35,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 235 transitions, 475 flow [2023-01-27 19:33:35,293 INFO L130 PetriNetUnfolder]: 44/338 cut-off events. [2023-01-27 19:33:35,293 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:33:35,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 338 events. 44/338 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 978 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 186. Up to 8 conditions per place. [2023-01-27 19:33:35,300 INFO L119 LiptonReduction]: Number of co-enabled transitions 17004 [2023-01-27 19:33:46,463 INFO L134 LiptonReduction]: Checked pairs total: 37879 [2023-01-27 19:33:46,463 INFO L136 LiptonReduction]: Total number of compositions: 182 [2023-01-27 19:33:46,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 19:33:46,514 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48e31d56, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 19:33:46,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-27 19:33:46,519 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2023-01-27 19:33:46,519 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:33:46,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:33:46,520 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-01-27 19:33:46,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-01-27 19:33:46,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:33:46,524 INFO L85 PathProgramCache]: Analyzing trace with hash 568836363, now seen corresponding path program 1 times [2023-01-27 19:33:46,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:33:46,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370848215] [2023-01-27 19:33:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:33:46,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:33:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:33:46,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-27 19:33:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:33:46,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-27 19:33:46,847 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-27 19:33:46,848 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2023-01-27 19:33:46,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-01-27 19:33:46,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-01-27 19:33:46,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-01-27 19:33:46,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 19:33:46,850 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 19:33:46,853 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-27 19:33:46,853 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-01-27 19:33:46,900 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-27 19:33:46,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 283 places, 320 transitions, 658 flow [2023-01-27 19:33:47,066 INFO L130 PetriNetUnfolder]: 76/550 cut-off events. [2023-01-27 19:33:47,066 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-27 19:33:47,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 550 events. 76/550 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2170 event pairs, 0 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 345. Up to 12 conditions per place. [2023-01-27 19:33:47,073 INFO L82 GeneralOperation]: Start removeDead. Operand has 283 places, 320 transitions, 658 flow [2023-01-27 19:33:47,077 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 283 places, 320 transitions, 658 flow [2023-01-27 19:33:47,078 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 19:33:47,078 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 283 places, 320 transitions, 658 flow [2023-01-27 19:33:47,078 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 283 places, 320 transitions, 658 flow [2023-01-27 19:33:47,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 283 places, 320 transitions, 658 flow [2023-01-27 19:33:47,179 INFO L130 PetriNetUnfolder]: 76/550 cut-off events. [2023-01-27 19:33:47,179 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-27 19:33:47,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 550 events. 76/550 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2170 event pairs, 0 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 345. Up to 12 conditions per place. [2023-01-27 19:33:47,228 INFO L119 LiptonReduction]: Number of co-enabled transitions 47892 [2023-01-27 19:33:56,998 INFO L134 LiptonReduction]: Checked pairs total: 110000 [2023-01-27 19:33:56,998 INFO L136 LiptonReduction]: Total number of compositions: 238 [2023-01-27 19:33:57,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 19:33:57,000 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48e31d56, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 19:33:57,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-01-27 19:33:57,004 INFO L130 PetriNetUnfolder]: 0/35 cut-off events. [2023-01-27 19:33:57,004 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-27 19:33:57,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:33:57,004 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-01-27 19:33:57,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-01-27 19:33:57,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:33:57,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1595964270, now seen corresponding path program 1 times [2023-01-27 19:33:57,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:33:57,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159191347] [2023-01-27 19:33:57,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:33:57,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:33:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:33:57,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-27 19:33:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:33:57,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-27 19:33:57,164 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-27 19:33:57,165 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2023-01-27 19:33:57,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-01-27 19:33:57,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-01-27 19:33:57,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-01-27 19:33:57,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-01-27 19:33:57,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-27 19:33:57,165 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 19:33:57,166 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-27 19:33:57,166 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-01-27 19:33:57,244 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-27 19:33:57,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 400 transitions, 830 flow [2023-01-27 19:33:57,400 INFO L130 PetriNetUnfolder]: 112/788 cut-off events. [2023-01-27 19:33:57,404 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-01-27 19:33:57,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 788 events. 112/788 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3603 event pairs, 1 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 558. Up to 16 conditions per place. [2023-01-27 19:33:57,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 352 places, 400 transitions, 830 flow [2023-01-27 19:33:57,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 352 places, 400 transitions, 830 flow [2023-01-27 19:33:57,437 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 19:33:57,437 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 400 transitions, 830 flow [2023-01-27 19:33:57,437 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 400 transitions, 830 flow [2023-01-27 19:33:57,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 400 transitions, 830 flow [2023-01-27 19:33:57,615 INFO L130 PetriNetUnfolder]: 112/788 cut-off events. [2023-01-27 19:33:57,616 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-01-27 19:33:57,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 788 events. 112/788 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3603 event pairs, 1 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 558. Up to 16 conditions per place. [2023-01-27 19:33:57,691 INFO L119 LiptonReduction]: Number of co-enabled transitions 90792 [2023-01-27 19:34:09,064 INFO L134 LiptonReduction]: Checked pairs total: 213925 [2023-01-27 19:34:09,064 INFO L136 LiptonReduction]: Total number of compositions: 287 [2023-01-27 19:34:09,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 19:34:09,066 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48e31d56, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 19:34:09,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-01-27 19:34:09,072 INFO L130 PetriNetUnfolder]: 11/88 cut-off events. [2023-01-27 19:34:09,083 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-27 19:34:09,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:34:09,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:34:09,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-01-27 19:34:09,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:34:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1693313255, now seen corresponding path program 1 times [2023-01-27 19:34:09,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:34:09,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086195843] [2023-01-27 19:34:09,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:34:09,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:34:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:34:09,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-27 19:34:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:34:09,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-27 19:34:09,261 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-27 19:34:09,261 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-01-27 19:34:09,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-01-27 19:34:09,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-01-27 19:34:09,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-01-27 19:34:09,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2023-01-27 19:34:09,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-01-27 19:34:09,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-27 19:34:09,262 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 19:34:09,265 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2023-01-27 19:34:09,265 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 19:34:09,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 07:34:09 BasicIcfg [2023-01-27 19:34:09,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 19:34:09,372 INFO L158 Benchmark]: Toolchain (without parser) took 36818.07ms. Allocated memory was 461.4MB in the beginning and 664.8MB in the end (delta: 203.4MB). Free memory was 403.9MB in the beginning and 556.9MB in the end (delta: -152.9MB). Peak memory consumption was 51.9MB. Max. memory is 16.0GB. [2023-01-27 19:34:09,372 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 320.9MB. Free memory is still 265.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 19:34:09,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1116.89ms. Allocated memory is still 461.4MB. Free memory was 403.6MB in the beginning and 363.4MB in the end (delta: 40.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-01-27 19:34:09,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.06ms. Allocated memory is still 461.4MB. Free memory was 363.4MB in the beginning and 360.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-27 19:34:09,373 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 461.4MB. Free memory was 360.1MB in the beginning and 358.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 19:34:09,373 INFO L158 Benchmark]: RCFGBuilder took 895.39ms. Allocated memory is still 461.4MB. Free memory was 357.6MB in the beginning and 332.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-01-27 19:34:09,373 INFO L158 Benchmark]: TraceAbstraction took 34630.54ms. Allocated memory was 461.4MB in the beginning and 664.8MB in the end (delta: 203.4MB). Free memory was 331.5MB in the beginning and 556.9MB in the end (delta: -225.3MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 19:34:09,375 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 320.9MB. Free memory is still 265.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1116.89ms. Allocated memory is still 461.4MB. Free memory was 403.6MB in the beginning and 363.4MB in the end (delta: 40.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 97.06ms. Allocated memory is still 461.4MB. Free memory was 363.4MB in the beginning and 360.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 461.4MB. Free memory was 360.1MB in the beginning and 358.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 895.39ms. Allocated memory is still 461.4MB. Free memory was 357.6MB in the beginning and 332.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 34630.54ms. Allocated memory was 461.4MB in the beginning and 664.8MB in the end (delta: 203.4MB). Free memory was 331.5MB in the beginning and 556.9MB in the end (delta: -225.3MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3s, 210 PlacesBefore, 63 PlacesAfterwards, 235 TransitionsBefore, 84 TransitionsAfterwards, 17004 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 116 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 182 TotalNumberOfCompositions, 37879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13632, independent: 13048, independent conditional: 0, independent unconditional: 13048, dependent: 584, dependent conditional: 0, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8177, independent: 8060, independent conditional: 0, independent unconditional: 8060, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13632, independent: 4988, independent conditional: 0, independent unconditional: 4988, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 8177, unknown conditional: 0, unknown unconditional: 8177] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.9s, 283 PlacesBefore, 94 PlacesAfterwards, 320 TransitionsBefore, 128 TransitionsAfterwards, 47892 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 165 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 3 ChoiceCompositions, 238 TotalNumberOfCompositions, 110000 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35169, independent: 34326, independent conditional: 0, independent unconditional: 34326, dependent: 843, dependent conditional: 0, dependent unconditional: 843, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 22560, independent: 22421, independent conditional: 0, independent unconditional: 22421, dependent: 139, dependent conditional: 0, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35169, independent: 11905, independent conditional: 0, independent unconditional: 11905, dependent: 704, dependent conditional: 0, dependent unconditional: 704, unknown: 22560, unknown conditional: 0, unknown unconditional: 22560] , Statistics on independence cache: Total cache size (in pairs): 579, Positive cache size: 509, Positive conditional cache size: 0, Positive unconditional cache size: 509, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.6s, 352 PlacesBefore, 122 PlacesAfterwards, 400 TransitionsBefore, 165 TransitionsAfterwards, 90792 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 207 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 5 ChoiceCompositions, 287 TotalNumberOfCompositions, 213925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 64906, independent: 63770, independent conditional: 0, independent unconditional: 63770, dependent: 1136, dependent conditional: 0, dependent unconditional: 1136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41877, independent: 41662, independent conditional: 0, independent unconditional: 41662, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64906, independent: 22108, independent conditional: 0, independent unconditional: 22108, dependent: 921, dependent conditional: 0, dependent unconditional: 921, unknown: 41877, unknown conditional: 0, unknown unconditional: 41877] , Statistics on independence cache: Total cache size (in pairs): 1054, Positive cache size: 958, Positive conditional cache size: 0, Positive unconditional cache size: 958, Negative cache size: 96, Negative conditional cache size: 0, Negative unconditional cache size: 96, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1235]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1240] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1241-L1244] 0 struct s { int datum; struct s *next; } *A; [L1253] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1254] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1267] 0 struct s *p; [L1268] 0 A = malloc(sizeof(struct s)) [L1269] EXPR 0 \read(*A) [L1269] CALL 0 init(A,3) [L1246] 0 p -> datum = x [L1247] 0 p -> next = ((void *)0) [L1269] RET 0 init(A,3) [L1270] 0 pthread_t t_ids[10000]; [L1270] 0 int i=0; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={11:0}] [L1270] COND TRUE 0 i<10000 [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=-1, t_ids={11:0}] [L1256] 1 struct s *p = malloc(sizeof(struct s)); [L1257] CALL 1 init(p,7) [L1246] 1 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(x)=3, \old(x)=7, __global_lock={3:0}, p={-2:0}, p={-2:0}, p={9:0}, p={9:0}, x=3, x=7] [L1247] 1 p -> next = ((void *)0) [L1257] RET 1 init(p,7) [L1259] CALL 1 insert(p, &A) [L1250] EXPR 1 \read(**list) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \read(**list)={-2:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1250] 1 p->next = *list [L1251] 1 *list = p VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1259] RET 1 insert(p, &A) [L1262] COND FALSE 1 !(__VERIFIER_nondet_int()) [L1262] EXPR 1 p->datum [L1262] CALL 1 __VERIFIER_assert((p->datum) == 0) [L1235] COND TRUE 1 !(cond) [L1235] 1 reach_error() VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] - UnprovableResult [Line: 1235]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1270]: 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, 279 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.9s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 346 locations, 5 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: 10.3s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 413 locations, 6 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: 12.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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! [2023-01-27 19:34:09,417 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...