/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 BEFORE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 01:27:20,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 01:27:20,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 01:27:20,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 01:27:20,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 01:27:20,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 01:27:20,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 01:27:20,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 01:27:20,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 01:27:20,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 01:27:20,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 01:27:20,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 01:27:20,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 01:27:20,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 01:27:20,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 01:27:20,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 01:27:20,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 01:27:20,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 01:27:20,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 01:27:20,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 01:27:20,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 01:27:20,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 01:27:20,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 01:27:20,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 01:27:20,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 01:27:20,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 01:27:20,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 01:27:20,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 01:27:20,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 01:27:20,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 01:27:20,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 01:27:20,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 01:27:20,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 01:27:20,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 01:27:20,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 01:27:20,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 01:27:20,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 01:27:20,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 01:27:20,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 01:27:20,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 01:27:20,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 01:27:20,685 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 01:27:20,702 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 01:27:20,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 01:27:20,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 01:27:20,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 01:27:20,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 01:27:20,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 01:27:20,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 01:27:20,704 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 01:27:20,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 01:27:20,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 01:27:20,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 01:27:20,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 01:27:20,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 01:27:20,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 01:27:20,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 01:27:20,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 01:27:20,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 01:27:20,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 01:27:20,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 01:27:20,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 01:27:20,915 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 01:27:20,916 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 01:27:20,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-01-28 01:27:21,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 01:27:22,071 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 01:27:22,071 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-01-28 01:27:22,078 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51d8aa9b/2a17f69a217743d6bfa2dce561737b10/FLAG17f1fc30a [2023-01-28 01:27:22,086 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51d8aa9b/2a17f69a217743d6bfa2dce561737b10 [2023-01-28 01:27:22,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 01:27:22,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 01:27:22,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 01:27:22,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 01:27:22,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 01:27:22,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276d781a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22, skipping insertion in model container [2023-01-28 01:27:22,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 01:27:22,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 01:27:22,233 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_true.i[1094,1107] [2023-01-28 01:27:22,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 01:27:22,320 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 01:27:22,329 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_true.i[1094,1107] [2023-01-28 01:27:22,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 01:27:22,383 INFO L208 MainTranslator]: Completed translation [2023-01-28 01:27:22,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22 WrapperNode [2023-01-28 01:27:22,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 01:27:22,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 01:27:22,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 01:27:22,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 01:27:22,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,423 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2023-01-28 01:27:22,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 01:27:22,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 01:27:22,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 01:27:22,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 01:27:22,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 01:27:22,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 01:27:22,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 01:27:22,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 01:27:22,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (1/1) ... [2023-01-28 01:27:22,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 01:27:22,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 01:27:22,501 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 01:27:22,520 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 01:27:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 01:27:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 01:27:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 01:27:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 01:27:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 01:27:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-28 01:27:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-28 01:27:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 01:27:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 01:27:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 01:27:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 01:27:22,532 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 01:27:22,627 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 01:27:22,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 01:27:22,748 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 01:27:22,753 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 01:27:22,753 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 01:27:22,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 01:27:22 BoogieIcfgContainer [2023-01-28 01:27:22,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 01:27:22,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 01:27:22,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 01:27:22,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 01:27:22,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 01:27:22" (1/3) ... [2023-01-28 01:27:22,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d28253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 01:27:22, skipping insertion in model container [2023-01-28 01:27:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:27:22" (2/3) ... [2023-01-28 01:27:22,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d28253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 01:27:22, skipping insertion in model container [2023-01-28 01:27:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 01:27:22" (3/3) ... [2023-01-28 01:27:22,763 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2023-01-28 01:27:22,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 01:27:22,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-01-28 01:27:22,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 01:27:22,837 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-01-28 01:27:22,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 73 transitions, 154 flow [2023-01-28 01:27:22,902 INFO L130 PetriNetUnfolder]: 2/72 cut-off events. [2023-01-28 01:27:22,902 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-28 01:27:22,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 2/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2023-01-28 01:27:22,905 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 73 transitions, 154 flow [2023-01-28 01:27:22,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 57 transitions, 117 flow [2023-01-28 01:27:22,911 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 01:27:22,930 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 57 transitions, 117 flow [2023-01-28 01:27:22,932 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 57 transitions, 117 flow [2023-01-28 01:27:22,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 57 transitions, 117 flow [2023-01-28 01:27:22,941 INFO L130 PetriNetUnfolder]: 1/57 cut-off events. [2023-01-28 01:27:22,941 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:27:22,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 1/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2023-01-28 01:27:22,942 INFO L119 LiptonReduction]: Number of co-enabled transitions 168 [2023-01-28 01:27:24,872 INFO L134 LiptonReduction]: Checked pairs total: 256 [2023-01-28 01:27:24,873 INFO L136 LiptonReduction]: Total number of compositions: 58 [2023-01-28 01:27:24,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 01:27:24,891 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;@27e2c995, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 01:27:24,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 01:27:24,892 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-01-28 01:27:24,892 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:27:24,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 01:27:24,892 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-01-28 01:27:24,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-01-28 01:27:24,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 01:27:24,898 INFO L85 PathProgramCache]: Analyzing trace with hash 268, now seen corresponding path program 1 times [2023-01-28 01:27:24,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 01:27:24,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437856284] [2023-01-28 01:27:24,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 01:27:24,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 01:27:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 01:27:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 01:27:24,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 01:27:24,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437856284] [2023-01-28 01:27:24,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437856284] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 01:27:24,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 01:27:24,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-01-28 01:27:24,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209247519] [2023-01-28 01:27:24,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 01:27:24,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-28 01:27:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 01:27:25,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-28 01:27:25,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-28 01:27:25,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 131 [2023-01-28 01:27:25,021 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 9 transitions, 21 flow. Second operand has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,021 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 01:27:25,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 131 [2023-01-28 01:27:25,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 01:27:25,049 INFO L130 PetriNetUnfolder]: 8/24 cut-off events. [2023-01-28 01:27:25,049 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:27:25,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 24 events. 8/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 8 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 44. Up to 25 conditions per place. [2023-01-28 01:27:25,050 INFO L137 encePairwiseOnDemand]: 130/131 looper letters, 8 selfloop transitions, 0 changer transitions 0/8 dead transitions. [2023-01-28 01:27:25,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 8 transitions, 35 flow [2023-01-28 01:27:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-28 01:27:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-01-28 01:27:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 143 transitions. [2023-01-28 01:27:25,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5458015267175572 [2023-01-28 01:27:25,060 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 143 transitions. [2023-01-28 01:27:25,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 143 transitions. [2023-01-28 01:27:25,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 01:27:25,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 143 transitions. [2023-01-28 01:27:25,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,072 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,073 INFO L175 Difference]: Start difference. First operand has 13 places, 9 transitions, 21 flow. Second operand 2 states and 143 transitions. [2023-01-28 01:27:25,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 8 transitions, 35 flow [2023-01-28 01:27:25,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-28 01:27:25,077 INFO L231 Difference]: Finished difference. Result has 12 places, 8 transitions, 18 flow [2023-01-28 01:27:25,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=18, PETRI_PLACES=12, PETRI_TRANSITIONS=8} [2023-01-28 01:27:25,081 INFO L281 CegarLoopForPetriNet]: 13 programPoint places, -1 predicate places. [2023-01-28 01:27:25,081 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 8 transitions, 18 flow [2023-01-28 01:27:25,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,081 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 01:27:25,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-01-28 01:27:25,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 01:27:25,082 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-01-28 01:27:25,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 01:27:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash -717423762, now seen corresponding path program 1 times [2023-01-28 01:27:25,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 01:27:25,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436494877] [2023-01-28 01:27:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 01:27:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 01:27:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 01:27:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 01:27:25,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 01:27:25,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436494877] [2023-01-28 01:27:25,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436494877] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 01:27:25,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 01:27:25,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-28 01:27:25,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303995293] [2023-01-28 01:27:25,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 01:27:25,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 01:27:25,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 01:27:25,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 01:27:25,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 01:27:25,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 131 [2023-01-28 01:27:25,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 8 transitions, 18 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 01:27:25,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 131 [2023-01-28 01:27:25,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 01:27:25,288 INFO L130 PetriNetUnfolder]: 6/19 cut-off events. [2023-01-28 01:27:25,288 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:27:25,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 19 events. 6/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 4 based on Foata normal form. 3/22 useless extension candidates. Maximal degree in co-relation 40. Up to 15 conditions per place. [2023-01-28 01:27:25,289 INFO L137 encePairwiseOnDemand]: 129/131 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2023-01-28 01:27:25,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 9 transitions, 38 flow [2023-01-28 01:27:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 01:27:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 01:27:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2023-01-28 01:27:25,290 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49872773536895676 [2023-01-28 01:27:25,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 196 transitions. [2023-01-28 01:27:25,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 196 transitions. [2023-01-28 01:27:25,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 01:27:25,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 196 transitions. [2023-01-28 01:27:25,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,292 INFO L175 Difference]: Start difference. First operand has 12 places, 8 transitions, 18 flow. Second operand 3 states and 196 transitions. [2023-01-28 01:27:25,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 9 transitions, 38 flow [2023-01-28 01:27:25,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-01-28 01:27:25,293 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-01-28 01:27:25,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-01-28 01:27:25,293 INFO L281 CegarLoopForPetriNet]: 13 programPoint places, 0 predicate places. [2023-01-28 01:27:25,294 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-01-28 01:27:25,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 01:27:25,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 01:27:25,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 01:27:25,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-01-28 01:27:25,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-01-28 01:27:25,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 01:27:25,296 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-01-28 01:27:25,300 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 01:27:25,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 01:27:25,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 01:27:25 BasicIcfg [2023-01-28 01:27:25,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 01:27:25,304 INFO L158 Benchmark]: Toolchain (without parser) took 3215.00ms. Allocated memory is still 631.2MB. Free memory was 590.5MB in the beginning and 526.3MB in the end (delta: 64.2MB). Peak memory consumption was 67.4MB. Max. memory is 16.0GB. [2023-01-28 01:27:25,304 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 373.3MB. Free memory is still 322.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 01:27:25,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.98ms. Allocated memory is still 631.2MB. Free memory was 590.1MB in the beginning and 571.6MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-01-28 01:27:25,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 631.2MB. Free memory was 571.2MB in the beginning and 569.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 01:27:25,305 INFO L158 Benchmark]: Boogie Preprocessor took 24.98ms. Allocated memory is still 631.2MB. Free memory was 569.5MB in the beginning and 567.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 01:27:25,306 INFO L158 Benchmark]: RCFGBuilder took 307.86ms. Allocated memory is still 631.2MB. Free memory was 567.9MB in the beginning and 554.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-28 01:27:25,306 INFO L158 Benchmark]: TraceAbstraction took 2544.53ms. Allocated memory is still 631.2MB. Free memory was 554.0MB in the beginning and 526.3MB in the end (delta: 27.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.0GB. [2023-01-28 01:27:25,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 373.3MB. Free memory is still 322.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 293.98ms. Allocated memory is still 631.2MB. Free memory was 590.1MB in the beginning and 571.6MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 631.2MB. Free memory was 571.2MB in the beginning and 569.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 24.98ms. Allocated memory is still 631.2MB. Free memory was 569.5MB in the beginning and 567.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 307.86ms. Allocated memory is still 631.2MB. Free memory was 567.9MB in the beginning and 554.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2544.53ms. Allocated memory is still 631.2MB. Free memory was 554.0MB in the beginning and 526.3MB in the end (delta: 27.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 60 PlacesBefore, 13 PlacesAfterwards, 57 TransitionsBefore, 9 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 153, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 89, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-01-28 01:27:25,324 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...