/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 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 07:42:22,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 07:42:22,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 07:42:22,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 07:42:22,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 07:42:22,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 07:42:22,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 07:42:22,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 07:42:22,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 07:42:22,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 07:42:22,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 07:42:22,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 07:42:22,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 07:42:22,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 07:42:22,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 07:42:22,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 07:42:22,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 07:42:22,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 07:42:22,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 07:42:22,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 07:42:22,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 07:42:22,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 07:42:22,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 07:42:22,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 07:42:22,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 07:42:22,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 07:42:22,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 07:42:22,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 07:42:22,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 07:42:22,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 07:42:22,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 07:42:22,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 07:42:22,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 07:42:22,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 07:42:22,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 07:42:22,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 07:42:22,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 07:42:22,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 07:42:22,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 07:42:22,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 07:42:22,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 07:42:22,117 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 [2023-01-28 07:42:22,141 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 07:42:22,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 07:42:22,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 07:42:22,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 07:42:22,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 07:42:22,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 07:42:22,143 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 07:42:22,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 07:42:22,143 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 07:42:22,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 07:42:22,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 07:42:22,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:42:22,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 07:42:22,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 07:42:22,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 07:42:22,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 07:42:22,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 07:42:22,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 07:42:22,336 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 07:42:22,337 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 07:42:22,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-01-28 07:42:23,329 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 07:42:23,480 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 07:42:23,480 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-01-28 07:42:23,488 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e30a32f6/65ce7218aea346aea6aaf7cd843f4b16/FLAGc27fe5411 [2023-01-28 07:42:23,501 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e30a32f6/65ce7218aea346aea6aaf7cd843f4b16 [2023-01-28 07:42:23,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 07:42:23,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 07:42:23,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 07:42:23,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 07:42:23,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 07:42:23,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5cf244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23, skipping insertion in model container [2023-01-28 07:42:23,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 07:42:23,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 07:42:23,631 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/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-01-28 07:42:23,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:42:23,716 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 07:42:23,724 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/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-01-28 07:42:23,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:42:23,770 INFO L208 MainTranslator]: Completed translation [2023-01-28 07:42:23,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23 WrapperNode [2023-01-28 07:42:23,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 07:42:23,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 07:42:23,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 07:42:23,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 07:42:23,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,825 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-01-28 07:42:23,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 07:42:23,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 07:42:23,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 07:42:23,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 07:42:23,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 07:42:23,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 07:42:23,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 07:42:23,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 07:42:23,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (1/1) ... [2023-01-28 07:42:23,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:42:23,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 07:42:23,877 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) [2023-01-28 07:42:23,879 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 [2023-01-28 07:42:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-28 07:42:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 07:42:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 07:42:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 07:42:23,901 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 07:42:23,995 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 07:42:23,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 07:42:24,169 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 07:42:24,173 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 07:42:24,173 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 07:42:24,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:42:24 BoogieIcfgContainer [2023-01-28 07:42:24,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 07:42:24,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 07:42:24,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 07:42:24,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 07:42:24,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 07:42:23" (1/3) ... [2023-01-28 07:42:24,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1243f236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:42:24, skipping insertion in model container [2023-01-28 07:42:24,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:23" (2/3) ... [2023-01-28 07:42:24,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1243f236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:42:24, skipping insertion in model container [2023-01-28 07:42:24,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:42:24" (3/3) ... [2023-01-28 07:42:24,187 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2023-01-28 07:42:24,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 07:42:24,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 07:42:24,216 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 07:42:24,266 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-01-28 07:42:24,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2023-01-28 07:42:24,355 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2023-01-28 07:42:24,355 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-28 07:42:24,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2023-01-28 07:42:24,358 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2023-01-28 07:42:24,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:24,365 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 07:42:24,382 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:24,388 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:24,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:24,404 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2023-01-28 07:42:24,405 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:42:24,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-01-28 07:42:24,405 INFO L119 LiptonReduction]: Number of co-enabled transitions 252 [2023-01-28 07:42:26,162 INFO L134 LiptonReduction]: Checked pairs total: 530 [2023-01-28 07:42:26,162 INFO L136 LiptonReduction]: Total number of compositions: 40 [2023-01-28 07:42:26,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 07:42:26,175 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;@4bd65653, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 07:42:26,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-01-28 07:42:26,177 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-01-28 07:42:26,178 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:42:26,178 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 07:42:26,178 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-01-28 07:42:26,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 07:42:26,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 07:42:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash 6763455, now seen corresponding path program 1 times [2023-01-28 07:42:26,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 07:42:26,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201836200] [2023-01-28 07:42:26,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 07:42:26,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 07:42:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 07:42:26,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 07:42:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 07:42:26,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 07:42:26,342 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 07:42:26,343 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-01-28 07:42:26,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-01-28 07:42:26,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 07:42:26,345 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 07:42:26,350 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 07:42:26,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 07:42:26,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 07:42:26 BasicIcfg [2023-01-28 07:42:26,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 07:42:26,365 INFO L158 Benchmark]: Toolchain (without parser) took 2861.33ms. Allocated memory was 341.8MB in the beginning and 555.7MB in the end (delta: 213.9MB). Free memory was 294.0MB in the beginning and 369.8MB in the end (delta: -75.8MB). Peak memory consumption was 141.2MB. Max. memory is 16.0GB. [2023-01-28 07:42:26,366 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 341.8MB. Free memory is still 287.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 07:42:26,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.24ms. Allocated memory is still 341.8MB. Free memory was 293.6MB in the beginning and 274.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-28 07:42:26,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.60ms. Allocated memory is still 341.8MB. Free memory was 274.7MB in the beginning and 273.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 07:42:26,367 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 341.8MB. Free memory was 273.0MB in the beginning and 271.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 07:42:26,367 INFO L158 Benchmark]: RCFGBuilder took 321.52ms. Allocated memory is still 341.8MB. Free memory was 271.3MB in the beginning and 258.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-28 07:42:26,368 INFO L158 Benchmark]: TraceAbstraction took 2188.45ms. Allocated memory was 341.8MB in the beginning and 555.7MB in the end (delta: 213.9MB). Free memory was 257.9MB in the beginning and 369.8MB in the end (delta: -111.9MB). Peak memory consumption was 103.5MB. Max. memory is 16.0GB. [2023-01-28 07:42:26,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 341.8MB. Free memory is still 287.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 266.24ms. Allocated memory is still 341.8MB. Free memory was 293.6MB in the beginning and 274.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 53.60ms. Allocated memory is still 341.8MB. Free memory was 274.7MB in the beginning and 273.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 27.25ms. Allocated memory is still 341.8MB. Free memory was 273.0MB in the beginning and 271.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 321.52ms. Allocated memory is still 341.8MB. Free memory was 271.3MB in the beginning and 258.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2188.45ms. Allocated memory was 341.8MB in the beginning and 555.7MB in the end (delta: 213.9MB). Free memory was 257.9MB in the beginning and 369.8MB in the end (delta: -111.9MB). Peak memory consumption was 103.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 56 PlacesBefore, 16 PlacesAfterwards, 52 TransitionsBefore, 12 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 40 TotalNumberOfCompositions, 530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 303, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 143, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 303, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 143, unknown conditional: 0, unknown unconditional: 143] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-01-28 07:42:26,395 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...