/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 01:15:55,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 01:15:55,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 01:15:55,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 01:15:55,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 01:15:55,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 01:15:55,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 01:15:55,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 01:15:55,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 01:15:55,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 01:15:55,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 01:15:55,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 01:15:55,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 01:15:55,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 01:15:55,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 01:15:55,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 01:15:55,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 01:15:55,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 01:15:55,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 01:15:55,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 01:15:55,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 01:15:55,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 01:15:55,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 01:15:55,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 01:15:55,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-13 01:15:55,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 01:15:55,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 01:15:55,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 01:15:55,515 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-RepeatedSemanticLbe.epf [2022-12-13 01:15:55,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 01:15:55,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 01:15:55,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 01:15:55,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 01:15:55,539 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 01:15:55,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 01:15:55,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 01:15:55,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 01:15:55,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 01:15:55,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 01:15:55,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 01:15:55,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 01:15:55,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 01:15:55,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 01:15:55,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 01:15:55,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:15:55,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 01:15:55,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 01:15:55,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 01:15:55,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 01:15:55,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 01:15:55,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 01:15:55,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 01:15:55,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 01:15:55,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 01:15:55,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 01:15:55,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 01:15:55,824 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 01:15:55,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i [2022-12-13 01:15:56,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 01:15:57,050 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 01:15:57,050 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i [2022-12-13 01:15:57,065 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430945787/d248831675da454a823671a5b372d885/FLAG026adcac1 [2022-12-13 01:15:57,080 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430945787/d248831675da454a823671a5b372d885 [2022-12-13 01:15:57,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 01:15:57,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 01:15:57,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 01:15:57,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 01:15:57,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 01:15:57,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a70d6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57, skipping insertion in model container [2022-12-13 01:15:57,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 01:15:57,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 01:15:57,255 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_66-mine-W-init_true.i[1088,1101] [2022-12-13 01:15:57,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:15:57,377 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 01:15:57,388 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_66-mine-W-init_true.i[1088,1101] [2022-12-13 01:15:57,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:15:57,440 INFO L208 MainTranslator]: Completed translation [2022-12-13 01:15:57,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57 WrapperNode [2022-12-13 01:15:57,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 01:15:57,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 01:15:57,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 01:15:57,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 01:15:57,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,479 INFO L138 Inliner]: procedures = 161, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2022-12-13 01:15:57,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 01:15:57,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 01:15:57,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 01:15:57,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 01:15:57,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 01:15:57,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 01:15:57,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 01:15:57,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 01:15:57,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (1/1) ... [2022-12-13 01:15:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:15:57,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 01:15:57,548 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) [2022-12-13 01:15:57,579 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 [2022-12-13 01:15:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 01:15:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 01:15:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 01:15:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 01:15:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 01:15:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 01:15:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 01:15:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 01:15:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 01:15:57,606 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 01:15:57,700 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 01:15:57,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 01:15:57,777 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 01:15:57,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 01:15:57,781 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 01:15:57,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:57 BoogieIcfgContainer [2022-12-13 01:15:57,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 01:15:57,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 01:15:57,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 01:15:57,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 01:15:57,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:15:57" (1/3) ... [2022-12-13 01:15:57,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc6c6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:57, skipping insertion in model container [2022-12-13 01:15:57,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:57" (2/3) ... [2022-12-13 01:15:57,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc6c6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:57, skipping insertion in model container [2022-12-13 01:15:57,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:57" (3/3) ... [2022-12-13 01:15:57,788 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_66-mine-W-init_true.i [2022-12-13 01:15:57,799 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 01:15:57,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 01:15:57,799 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 01:15:57,821 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 01:15:57,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 35 transitions, 75 flow [2022-12-13 01:15:57,869 INFO L130 PetriNetUnfolder]: 1/34 cut-off events. [2022-12-13 01:15:57,869 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:57,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 34 events. 1/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2022-12-13 01:15:57,872 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 35 transitions, 75 flow [2022-12-13 01:15:57,874 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 26 transitions, 55 flow [2022-12-13 01:15:57,875 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:57,885 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 26 transitions, 55 flow [2022-12-13 01:15:57,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 55 flow [2022-12-13 01:15:57,909 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-12-13 01:15:57,909 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:57,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 01:15:57,911 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 26 transitions, 55 flow [2022-12-13 01:15:57,911 INFO L226 LiptonReduction]: Number of co-enabled transitions 48 [2022-12-13 01:15:58,675 INFO L241 LiptonReduction]: Total number of compositions: 22 [2022-12-13 01:15:58,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 01:15:58,689 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=REPEATED_LIPTON_PN, 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;@49383b39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 01:15:58,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 01:15:58,691 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 01:15:58,691 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:58,691 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:58,692 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 01:15:58,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 01:15:58,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash 130360, now seen corresponding path program 1 times [2022-12-13 01:15:58,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:58,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516475566] [2022-12-13 01:15:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:58,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:58,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:58,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516475566] [2022-12-13 01:15:58,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516475566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:58,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:58,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 01:15:58,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500391523] [2022-12-13 01:15:58,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:58,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 01:15:58,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 01:15:58,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 01:15:58,814 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 6 [2022-12-13 01:15:58,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10 places, 6 transitions, 15 flow. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-13 01:15:58,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:58,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 6 [2022-12-13 01:15:58,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:58,823 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 01:15:58,824 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:58,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14 conditions, 5 events. 0/5 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 3 event pairs, 0 based on Foata normal form. 3/7 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-12-13 01:15:58,824 INFO L137 encePairwiseOnDemand]: 5/6 looper letters, 0 selfloop transitions, 0 changer transitions 5/5 dead transitions. [2022-12-13 01:15:58,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 5 transitions, 21 flow [2022-12-13 01:15:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 01:15:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 01:15:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-12-13 01:15:58,831 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2022-12-13 01:15:58,832 INFO L175 Difference]: Start difference. First operand has 10 places, 6 transitions, 15 flow. Second operand 2 states and 7 transitions. [2022-12-13 01:15:58,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 5 transitions, 21 flow [2022-12-13 01:15:58,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 9 places, 5 transitions, 20 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 01:15:58,834 INFO L231 Difference]: Finished difference. Result has 9 places, 0 transitions, 0 flow [2022-12-13 01:15:58,835 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=6, PETRI_DIFFERENCE_MINUEND_FLOW=12, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=9, PETRI_TRANSITIONS=0} [2022-12-13 01:15:58,838 INFO L295 CegarLoopForPetriNet]: 10 programPoint places, -1 predicate places. [2022-12-13 01:15:58,838 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:58,838 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 9 places, 0 transitions, 0 flow [2022-12-13 01:15:58,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 01:15:58,839 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 01:15:58,839 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:58,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 01:15:58,839 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 01:15:58,840 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 01:15:58,840 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:58,841 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-13 01:15:58,841 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 01:15:58,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-13 01:15:58,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 01:15:58,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 01:15:58,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 01:15:58,843 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 01:15:58,845 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 01:15:58,845 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 01:15:58,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:15:58 BasicIcfg [2022-12-13 01:15:58,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 01:15:58,848 INFO L158 Benchmark]: Toolchain (without parser) took 1765.23ms. Allocated memory was 178.3MB in the beginning and 259.0MB in the end (delta: 80.7MB). Free memory was 154.5MB in the beginning and 184.9MB in the end (delta: -30.4MB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. [2022-12-13 01:15:58,848 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 93.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 01:15:58,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.59ms. Allocated memory is still 178.3MB. Free memory was 154.3MB in the beginning and 136.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-12-13 01:15:58,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 134.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 01:15:58,849 INFO L158 Benchmark]: Boogie Preprocessor took 34.94ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 132.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 01:15:58,850 INFO L158 Benchmark]: RCFGBuilder took 266.60ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 122.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-13 01:15:58,850 INFO L158 Benchmark]: TraceAbstraction took 1063.67ms. Allocated memory was 178.3MB in the beginning and 259.0MB in the end (delta: 80.7MB). Free memory was 121.3MB in the beginning and 184.9MB in the end (delta: -63.6MB). Peak memory consumption was 17.1MB. Max. memory is 8.0GB. [2022-12-13 01:15:58,852 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 178.3MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 93.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 356.59ms. Allocated memory is still 178.3MB. Free memory was 154.3MB in the beginning and 136.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 134.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.94ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 132.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 266.60ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 122.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1063.67ms. Allocated memory was 178.3MB in the beginning and 259.0MB in the end (delta: 80.7MB). Free memory was 121.3MB in the beginning and 184.9MB in the end (delta: -63.6MB). Peak memory consumption was 17.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8s, 30 PlacesBefore, 10 PlacesAfterwards, 26 TransitionsBefore, 6 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 9 ConcurrentYvCompositions, 0 ChoiceCompositions, 22 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, independent: 35, independent conditional: 35, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 35, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 01:15:58,868 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...