/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-0612a5f-m [2022-09-20 20:45:05,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 20:45:05,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 20:45:05,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 20:45:05,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 20:45:05,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 20:45:05,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 20:45:05,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 20:45:05,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 20:45:05,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 20:45:05,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 20:45:05,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 20:45:05,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 20:45:05,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 20:45:05,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 20:45:05,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 20:45:05,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 20:45:05,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 20:45:05,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 20:45:05,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 20:45:05,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 20:45:05,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 20:45:05,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 20:45:05,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 20:45:05,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-20 20:45:05,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-20 20:45:05,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-20 20:45:05,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-20 20:45:05,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-20 20:45:05,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-20 20:45:05,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 20:45:05,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 20:45:05,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 20:45:05,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 20:45:05,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 20:45:05,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 20:45:05,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 20:45:05,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 20:45:05,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 20:45:05,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 20:45:05,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 20:45:05,144 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-NoLbe.epf [2022-09-20 20:45:05,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 20:45:05,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 20:45:05,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 20:45:05,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 20:45:05,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 20:45:05,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 20:45:05,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 20:45:05,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 20:45:05,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:45:05,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 20:45:05,176 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 20:45:05,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 20:45:05,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 20:45:05,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 20:45:05,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 20:45:05,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 20:45:05,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 20:45:05,381 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 20:45:05,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-09-20 20:45:05,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6c5d8a7/d7fb4467b0ed4e74aa1cae50a26445e0/FLAG68b65162e [2022-09-20 20:45:05,898 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 20:45:05,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-09-20 20:45:05,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6c5d8a7/d7fb4467b0ed4e74aa1cae50a26445e0/FLAG68b65162e [2022-09-20 20:45:05,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6c5d8a7/d7fb4467b0ed4e74aa1cae50a26445e0 [2022-09-20 20:45:05,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 20:45:05,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 20:45:05,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 20:45:05,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 20:45:05,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 20:45:05,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:45:05" (1/1) ... [2022-09-20 20:45:05,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e6bdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:05, skipping insertion in model container [2022-09-20 20:45:05,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:45:05" (1/1) ... [2022-09-20 20:45:05,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 20:45:05,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 20:45:06,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-09-20 20:45:06,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:45:06,268 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 20:45:06,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-09-20 20:45:06,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:45:06,332 INFO L208 MainTranslator]: Completed translation [2022-09-20 20:45:06,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06 WrapperNode [2022-09-20 20:45:06,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 20:45:06,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 20:45:06,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 20:45:06,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 20:45:06,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,380 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-09-20 20:45:06,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 20:45:06,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 20:45:06,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 20:45:06,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 20:45:06,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 20:45:06,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 20:45:06,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 20:45:06,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 20:45:06,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (1/1) ... [2022-09-20 20:45:06,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:45:06,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 20:45:06,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-20 20:45:06,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-20 20:45:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 20:45:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 20:45:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-20 20:45:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 20:45:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 20:45:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-20 20:45:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-20 20:45:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 20:45:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 20:45:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 20:45:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 20:45:06,484 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 20:45:06,583 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 20:45:06,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 20:45:06,710 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 20:45:06,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 20:45:06,716 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 20:45:06,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:45:06 BoogieIcfgContainer [2022-09-20 20:45:06,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 20:45:06,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 20:45:06,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 20:45:06,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 20:45:06,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 08:45:05" (1/3) ... [2022-09-20 20:45:06,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6b35ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:45:06, skipping insertion in model container [2022-09-20 20:45:06,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:06" (2/3) ... [2022-09-20 20:45:06,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6b35ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:45:06, skipping insertion in model container [2022-09-20 20:45:06,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:45:06" (3/3) ... [2022-09-20 20:45:06,741 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-09-20 20:45:06,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 20:45:06,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 20:45:06,767 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 20:45:06,853 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-20 20:45:06,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-09-20 20:45:06,963 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-09-20 20:45:06,964 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-20 20:45:06,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-20 20:45:06,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-09-20 20:45:06,973 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-09-20 20:45:06,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 20:45:06,999 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;@31bbab12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 20:45:06,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-20 20:45:07,028 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-09-20 20:45:07,028 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-20 20:45:07,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 20:45:07,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 20:45:07,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 20:45:07,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 20:45:07,035 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-09-20 20:45:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 20:45:07,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431026115] [2022-09-20 20:45:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 20:45:07,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 20:45:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 20:45:07,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-20 20:45:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 20:45:07,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-20 20:45:07,292 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-09-20 20:45:07,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-09-20 20:45:07,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-09-20 20:45:07,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 20:45:07,295 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-09-20 20:45:07,301 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 20:45:07,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 20:45:07,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 08:45:07 BasicIcfg [2022-09-20 20:45:07,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 20:45:07,349 INFO L158 Benchmark]: Toolchain (without parser) took 1411.40ms. Allocated memory was 175.1MB in the beginning and 239.1MB in the end (delta: 64.0MB). Free memory was 143.0MB in the beginning and 159.2MB in the end (delta: -16.3MB). Peak memory consumption was 46.6MB. Max. memory is 8.0GB. [2022-09-20 20:45:07,349 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 175.1MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 20:45:07,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.14ms. Allocated memory was 175.1MB in the beginning and 239.1MB in the end (delta: 64.0MB). Free memory was 142.7MB in the beginning and 200.5MB in the end (delta: -57.8MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-09-20 20:45:07,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.24ms. Allocated memory is still 239.1MB. Free memory was 200.5MB in the beginning and 198.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-20 20:45:07,351 INFO L158 Benchmark]: Boogie Preprocessor took 29.93ms. Allocated memory is still 239.1MB. Free memory was 198.7MB in the beginning and 197.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 20:45:07,351 INFO L158 Benchmark]: RCFGBuilder took 305.84ms. Allocated memory is still 239.1MB. Free memory was 197.3MB in the beginning and 185.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-09-20 20:45:07,352 INFO L158 Benchmark]: TraceAbstraction took 628.05ms. Allocated memory is still 239.1MB. Free memory was 184.7MB in the beginning and 159.2MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-09-20 20:45:07,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 175.1MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.14ms. Allocated memory was 175.1MB in the beginning and 239.1MB in the end (delta: 64.0MB). Free memory was 142.7MB in the beginning and 200.5MB in the end (delta: -57.8MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.24ms. Allocated memory is still 239.1MB. Free memory was 200.5MB in the beginning and 198.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.93ms. Allocated memory is still 239.1MB. Free memory was 198.7MB in the beginning and 197.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 305.84ms. Allocated memory is still 239.1MB. Free memory was 197.3MB in the beginning and 185.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 628.05ms. Allocated memory is still 239.1MB. Free memory was 184.7MB in the beginning and 159.2MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [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, 87 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-09-20 20:45:07,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...