/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:45:41,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:45:41,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:45:41,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:45:41,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:45:41,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:45:41,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:45:41,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:45:41,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:45:41,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:45:41,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:45:41,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:45:41,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:45:41,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:45:41,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:45:41,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:45:41,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:45:41,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:45:41,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:45:41,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:45:41,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:45:41,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:45:41,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:45:41,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:45:41,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 20:45:41,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:45:41,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:45:41,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:45:41,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:45:41,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:45:41,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:45:41,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:45:41,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:45:41,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:45:41,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:45:41,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:45:41,805 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-SemanticLbe.epf [2022-12-05 20:45:41,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:45:41,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:45:41,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:45:41,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:45:41,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:45:41,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:45:41,830 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:45:41,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:45:41,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:45:41,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:45:41,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:45:41,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:45:41,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:45:41,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:45:41,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:45:41,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:45:41,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:45:42,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:45:42,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:45:42,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:45:42,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:45:42,114 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:45:42,115 INFO L432 ainManager$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 [2022-12-05 20:45:42,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:45:43,175 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:45:43,175 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2022-12-05 20:45:43,183 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde5cb696/6a63ff42a0c04082a217aee899b350aa/FLAG0fe5eed07 [2022-12-05 20:45:43,197 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde5cb696/6a63ff42a0c04082a217aee899b350aa [2022-12-05 20:45:43,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:45:43,200 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:45:43,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:45:43,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:45:43,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:45:43,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2b81c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43, skipping insertion in model container [2022-12-05 20:45:43,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:45:43,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:45:43,321 WARN L237 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] [2022-12-05 20:45:43,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:45:43,404 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:45:43,414 WARN L237 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] [2022-12-05 20:45:43,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:45:43,464 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:45:43,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43 WrapperNode [2022-12-05 20:45:43,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:45:43,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:45:43,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:45:43,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:45:43,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,505 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2022-12-05 20:45:43,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:45:43,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:45:43,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:45:43,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:45:43,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:45:43,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:45:43,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:45:43,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:45:43,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (1/1) ... [2022-12-05 20:45:43,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:45:43,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:45:43,544 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) [2022-12-05 20:45:43,550 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 [2022-12-05 20:45:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:45:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:45:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 20:45:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:45:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:45:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 20:45:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 20:45:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:45:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:45:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:45:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:45:43,576 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:45:43,707 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:45:43,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:45:43,804 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:45:43,809 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:45:43,809 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:45:43,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:45:43 BoogieIcfgContainer [2022-12-05 20:45:43,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:45:43,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:45:43,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:45:43,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:45:43,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:45:43" (1/3) ... [2022-12-05 20:45:43,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0ab326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:45:43, skipping insertion in model container [2022-12-05 20:45:43,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:43" (2/3) ... [2022-12-05 20:45:43,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0ab326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:45:43, skipping insertion in model container [2022-12-05 20:45:43,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:45:43" (3/3) ... [2022-12-05 20:45:43,817 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2022-12-05 20:45:43,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:45:43,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 20:45:43,830 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:45:43,886 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 20:45:43,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 73 transitions, 154 flow [2022-12-05 20:45:43,929 INFO L130 PetriNetUnfolder]: 2/72 cut-off events. [2022-12-05 20:45:43,930 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:45:43,932 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. [2022-12-05 20:45:43,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 73 transitions, 154 flow [2022-12-05 20:45:43,935 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 57 transitions, 117 flow [2022-12-05 20:45:43,936 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:45:43,947 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 57 transitions, 117 flow [2022-12-05 20:45:43,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 57 transitions, 117 flow [2022-12-05 20:45:43,960 INFO L130 PetriNetUnfolder]: 1/57 cut-off events. [2022-12-05 20:45:43,960 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:45:43,960 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. [2022-12-05 20:45:43,961 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 57 transitions, 117 flow [2022-12-05 20:45:43,961 INFO L188 LiptonReduction]: Number of co-enabled transitions 168 [2022-12-05 20:45:46,459 INFO L203 LiptonReduction]: Total number of compositions: 48 [2022-12-05 20:45:46,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:45:46,478 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;@4b6760cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:45:46,478 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 20:45:46,479 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 20:45:46,479 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:45:46,479 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:45:46,479 INFO L213 CegarLoopForPetriNet]: trace histogram [1] [2022-12-05 20:45:46,480 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)] === [2022-12-05 20:45:46,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:45:46,483 INFO L85 PathProgramCache]: Analyzing trace with hash 268, now seen corresponding path program 1 times [2022-12-05 20:45:46,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:45:46,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646811857] [2022-12-05 20:45:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:45:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:45:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:45:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:45:46,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:45:46,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646811857] [2022-12-05 20:45:46,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646811857] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:45:46,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:45:46,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-05 20:45:46,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385971548] [2022-12-05 20:45:46,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:45:46,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:45:46,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:45:46,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:45:46,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:45:46,597 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 10 [2022-12-05 20:45:46,598 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 10 transitions, 23 flow. Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-12-05 20:45:46,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:45:46,598 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 10 [2022-12-05 20:45:46,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:45:46,636 INFO L130 PetriNetUnfolder]: 12/33 cut-off events. [2022-12-05 20:45:46,637 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:45:46,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 33 events. 12/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 12 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 62. Up to 34 conditions per place. [2022-12-05 20:45:46,638 INFO L137 encePairwiseOnDemand]: 9/10 looper letters, 9 selfloop transitions, 0 changer transitions 0/9 dead transitions. [2022-12-05 20:45:46,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 9 transitions, 39 flow [2022-12-05 20:45:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:45:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:45:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2022-12-05 20:45:46,647 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 20:45:46,648 INFO L175 Difference]: Start difference. First operand has 14 places, 10 transitions, 23 flow. Second operand 2 states and 10 transitions. [2022-12-05 20:45:46,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 9 transitions, 39 flow [2022-12-05 20:45:46,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:45:46,652 INFO L231 Difference]: Finished difference. Result has 13 places, 9 transitions, 20 flow [2022-12-05 20:45:46,653 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=20, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=20, PETRI_PLACES=13, PETRI_TRANSITIONS=9} [2022-12-05 20:45:46,655 INFO L294 CegarLoopForPetriNet]: 14 programPoint places, -1 predicate places. [2022-12-05 20:45:46,656 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 9 transitions, 20 flow [2022-12-05 20:45:46,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-12-05 20:45:46,656 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:45:46,656 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:45:46,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:45:46,656 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)] === [2022-12-05 20:45:46,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:45:46,657 INFO L85 PathProgramCache]: Analyzing trace with hash -716923178, now seen corresponding path program 1 times [2022-12-05 20:45:46,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:45:46,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340515324] [2022-12-05 20:45:46,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:45:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:45:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:45:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:45:46,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:45:46,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340515324] [2022-12-05 20:45:46,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340515324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:45:46,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:45:46,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:45:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556218264] [2022-12-05 20:45:46,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:45:46,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:45:46,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:45:46,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:45:46,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:45:46,832 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 10 [2022-12-05 20:45:46,832 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 9 transitions, 20 flow. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-05 20:45:46,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:45:46,833 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 10 [2022-12-05 20:45:46,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:45:46,852 INFO L130 PetriNetUnfolder]: 9/26 cut-off events. [2022-12-05 20:45:46,852 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:45:46,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 26 events. 9/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 6 based on Foata normal form. 4/26 useless extension candidates. Maximal degree in co-relation 54. Up to 20 conditions per place. [2022-12-05 20:45:46,852 INFO L137 encePairwiseOnDemand]: 8/10 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2022-12-05 20:45:46,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 46 flow [2022-12-05 20:45:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:45:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:45:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-12-05 20:45:46,853 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-05 20:45:46,853 INFO L175 Difference]: Start difference. First operand has 13 places, 9 transitions, 20 flow. Second operand 3 states and 12 transitions. [2022-12-05 20:45:46,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 46 flow [2022-12-05 20:45:46,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 11 transitions, 46 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:45:46,854 INFO L231 Difference]: Finished difference. Result has 14 places, 0 transitions, 0 flow [2022-12-05 20:45:46,854 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=12, 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=3, PETRI_FLOW=0, PETRI_PLACES=14, PETRI_TRANSITIONS=0} [2022-12-05 20:45:46,855 INFO L294 CegarLoopForPetriNet]: 14 programPoint places, 0 predicate places. [2022-12-05 20:45:46,855 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 0 transitions, 0 flow [2022-12-05 20:45:46,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-05 20:45:46,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 20:45:46,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 20:45:46,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-05 20:45:46,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-05 20:45:46,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:45:46,858 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-05 20:45:46,862 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:45:46,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:45:46,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:45:46 BasicIcfg [2022-12-05 20:45:46,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:45:46,865 INFO L158 Benchmark]: Toolchain (without parser) took 3664.93ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 169.4MB in the beginning and 150.9MB in the end (delta: 18.5MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. [2022-12-05 20:45:46,865 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 89.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:45:46,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.33ms. Allocated memory is still 194.0MB. Free memory was 169.4MB in the beginning and 150.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 20:45:46,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.16ms. Allocated memory is still 194.0MB. Free memory was 150.1MB in the beginning and 148.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 20:45:46,866 INFO L158 Benchmark]: Boogie Preprocessor took 16.99ms. Allocated memory is still 194.0MB. Free memory was 148.5MB in the beginning and 147.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 20:45:46,866 INFO L158 Benchmark]: RCFGBuilder took 287.17ms. Allocated memory is still 194.0MB. Free memory was 147.0MB in the beginning and 134.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 20:45:46,867 INFO L158 Benchmark]: TraceAbstraction took 3052.18ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 133.4MB in the beginning and 150.9MB in the end (delta: -17.6MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. [2022-12-05 20:45:46,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 89.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 264.33ms. Allocated memory is still 194.0MB. Free memory was 169.4MB in the beginning and 150.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.16ms. Allocated memory is still 194.0MB. Free memory was 150.1MB in the beginning and 148.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.99ms. Allocated memory is still 194.0MB. Free memory was 148.5MB in the beginning and 147.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 287.17ms. Allocated memory is still 194.0MB. Free memory was 147.0MB in the beginning and 134.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3052.18ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 133.4MB in the beginning and 150.9MB in the end (delta: -17.6MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 60 PlacesBefore, 14 PlacesAfterwards, 57 TransitionsBefore, 10 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 33 TrivialYvCompositions, 14 ConcurrentYvCompositions, 1 ChoiceCompositions, 48 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141, independent: 122, independent conditional: 122, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 141, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 141, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 141, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 141, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 115, unknown conditional: 0, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 184, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - 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: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 27 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=23occurred 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! [2022-12-05 20:45:46,895 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...