/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_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 07:42:13,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 07:42:13,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 07:42:13,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 07:42:13,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 07:42:13,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 07:42:13,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 07:42:13,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 07:42:13,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 07:42:13,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 07:42:13,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 07:42:13,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 07:42:13,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 07:42:13,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 07:42:13,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 07:42:13,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 07:42:13,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 07:42:13,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 07:42:13,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 07:42:13,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 07:42:13,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 07:42:13,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 07:42:13,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 07:42:13,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 07:42:13,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 07:42:13,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 07:42:13,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 07:42:13,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 07:42:13,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 07:42:13,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 07:42:13,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 07:42:13,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 07:42:13,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 07:42:13,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 07:42:13,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 07:42:13,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 07:42:13,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 07:42:13,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 07:42:13,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 07:42:13,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 07:42:13,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 07:42:13,567 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 07:42:13,594 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 07:42:13,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 07:42:13,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 07:42:13,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 07:42:13,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 07:42:13,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 07:42:13,597 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 07:42:13,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 07:42:13,597 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 07:42:13,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 07:42:13,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 07:42:13,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 07:42:13,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 07:42:13,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 07:42:13,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 07:42:13,598 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 07:42:13,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 07:42:13,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:42:13,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 07:42:13,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 07:42:13,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 07:42:13,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 07:42:13,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 07:42:13,600 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 07:42:13,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 07:42:13,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 07:42:13,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 07:42:13,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 07:42:13,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 07:42:13,837 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 07:42:13,837 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 07:42:13,838 INFO L432 ainManager$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 [2023-01-28 07:42:14,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 07:42:15,165 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 07:42:15,165 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2023-01-28 07:42:15,174 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ac7e65d/41012e329ffb48bfb3ec7e89a8535c0a/FLAGc6f884d05 [2023-01-28 07:42:15,184 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ac7e65d/41012e329ffb48bfb3ec7e89a8535c0a [2023-01-28 07:42:15,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 07:42:15,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 07:42:15,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 07:42:15,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 07:42:15,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 07:42:15,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62264e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15, skipping insertion in model container [2023-01-28 07:42:15,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 07:42:15,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 07:42:15,333 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_1_neg.i[1103,1116] [2023-01-28 07:42:15,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:42:15,505 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 07:42:15,522 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_1_neg.i[1103,1116] [2023-01-28 07:42:15,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:42:15,585 INFO L208 MainTranslator]: Completed translation [2023-01-28 07:42:15,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15 WrapperNode [2023-01-28 07:42:15,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 07:42:15,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 07:42:15,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 07:42:15,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 07:42:15,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,645 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-01-28 07:42:15,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 07:42:15,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 07:42:15,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 07:42:15,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 07:42:15,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 07:42:15,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 07:42:15,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 07:42:15,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 07:42:15,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (1/1) ... [2023-01-28 07:42:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:42:15,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 07:42:15,714 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 07:42:15,733 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 07:42:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 07:42:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 07:42:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 07:42:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 07:42:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 07:42:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-28 07:42:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-28 07:42:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 07:42:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 07:42:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 07:42:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 07:42:15,750 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 07:42:15,928 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 07:42:15,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 07:42:16,088 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 07:42:16,093 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 07:42:16,093 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 07:42:16,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:42:16 BoogieIcfgContainer [2023-01-28 07:42:16,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 07:42:16,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 07:42:16,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 07:42:16,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 07:42:16,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 07:42:15" (1/3) ... [2023-01-28 07:42:16,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548a93e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:42:16, skipping insertion in model container [2023-01-28 07:42:16,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:42:15" (2/3) ... [2023-01-28 07:42:16,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548a93e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:42:16, skipping insertion in model container [2023-01-28 07:42:16,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:42:16" (3/3) ... [2023-01-28 07:42:16,101 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2023-01-28 07:42:16,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 07:42:16,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 07:42:16,115 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 07:42:16,168 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-01-28 07:42:16,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2023-01-28 07:42:16,226 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2023-01-28 07:42:16,226 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-28 07:42:16,229 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 07:42:16,230 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2023-01-28 07:42:16,233 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:16,235 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 07:42:16,242 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:16,244 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:16,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2023-01-28 07:42:16,258 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2023-01-28 07:42:16,258 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:42:16,258 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 07:42:16,259 INFO L119 LiptonReduction]: Number of co-enabled transitions 252 [2023-01-28 07:42:18,323 INFO L134 LiptonReduction]: Checked pairs total: 530 [2023-01-28 07:42:18,323 INFO L136 LiptonReduction]: Total number of compositions: 40 [2023-01-28 07:42:18,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 07:42:18,343 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;@356d4337, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 07:42:18,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-01-28 07:42:18,346 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-01-28 07:42:18,346 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:42:18,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 07:42:18,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-01-28 07:42:18,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 07:42:18,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 07:42:18,351 INFO L85 PathProgramCache]: Analyzing trace with hash 6763455, now seen corresponding path program 1 times [2023-01-28 07:42:18,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 07:42:18,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800154304] [2023-01-28 07:42:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 07:42:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 07:42:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 07:42:18,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 07:42:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 07:42:18,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 07:42:18,520 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 07:42:18,521 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-01-28 07:42:18,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-01-28 07:42:18,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 07:42:18,524 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 07:42:18,534 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 07:42:18,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 07:42:18,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 07:42:18 BasicIcfg [2023-01-28 07:42:18,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 07:42:18,555 INFO L158 Benchmark]: Toolchain (without parser) took 3367.84ms. Allocated memory is still 350.2MB. Free memory was 294.5MB in the beginning and 281.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-01-28 07:42:18,556 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 255.9MB. Free memory was 212.7MB in the beginning and 212.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 07:42:18,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.03ms. Allocated memory is still 350.2MB. Free memory was 294.3MB in the beginning and 319.5MB in the end (delta: -25.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.0GB. [2023-01-28 07:42:18,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 350.2MB. Free memory was 319.5MB in the beginning and 317.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 07:42:18,557 INFO L158 Benchmark]: Boogie Preprocessor took 32.17ms. Allocated memory is still 350.2MB. Free memory was 317.4MB in the beginning and 315.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 07:42:18,557 INFO L158 Benchmark]: RCFGBuilder took 416.36ms. Allocated memory is still 350.2MB. Free memory was 315.9MB in the beginning and 303.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-28 07:42:18,558 INFO L158 Benchmark]: TraceAbstraction took 2457.84ms. Allocated memory is still 350.2MB. Free memory was 302.7MB in the beginning and 281.4MB in the end (delta: 21.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.0GB. [2023-01-28 07:42:18,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 255.9MB. Free memory was 212.7MB in the beginning and 212.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 398.03ms. Allocated memory is still 350.2MB. Free memory was 294.3MB in the beginning and 319.5MB in the end (delta: -25.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 350.2MB. Free memory was 319.5MB in the beginning and 317.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.17ms. Allocated memory is still 350.2MB. Free memory was 317.4MB in the beginning and 315.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 416.36ms. Allocated memory is still 350.2MB. Free memory was 315.9MB in the beginning and 303.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2457.84ms. Allocated memory is still 350.2MB. Free memory was 302.7MB in the beginning and 281.4MB in the end (delta: 21.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 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={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-01-28 07:42:18,585 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...