/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 00:56:50,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 00:56:50,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 00:56:50,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 00:56:50,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 00:56:50,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 00:56:50,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 00:56:50,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 00:56:50,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 00:56:50,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 00:56:50,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 00:56:50,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 00:56:50,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 00:56:50,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 00:56:50,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 00:56:50,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 00:56:50,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 00:56:50,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 00:56:50,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 00:56:50,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 00:56:50,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 00:56:50,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 00:56:50,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 00:56:50,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 00:56:50,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 00:56:50,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 00:56:50,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 00:56:50,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 00:56:50,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 00:56:50,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 00:56:50,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 00:56:50,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 00:56:50,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 00:56:50,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 00:56:50,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 00:56:50,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 00:56:50,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 00:56:50,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 00:56:50,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 00:56:50,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 00:56:50,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 00:56:50,501 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 [2022-12-06 00:56:50,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 00:56:50,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 00:56:50,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 00:56:50,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 00:56:50,544 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 00:56:50,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 00:56:50,544 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 00:56:50,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 00:56:50,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 00:56:50,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 00:56:50,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 00:56:50,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 00:56:50,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 00:56:50,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 00:56:50,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:56:50,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 00:56:50,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 00:56:50,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 00:56:50,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 00:56:50,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 00:56:50,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 00:56:50,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 00:56:50,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 00:56:50,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 00:56:50,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 00:56:50,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 00:56:50,833 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 00:56:50,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2022-12-06 00:56:51,839 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 00:56:52,079 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 00:56:52,079 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2022-12-06 00:56:52,096 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3123a57/a46b89e3bcbb47eba21af578a55e31d8/FLAG25f4e1148 [2022-12-06 00:56:52,108 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3123a57/a46b89e3bcbb47eba21af578a55e31d8 [2022-12-06 00:56:52,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 00:56:52,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 00:56:52,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 00:56:52,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 00:56:52,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 00:56:52,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389abaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52, skipping insertion in model container [2022-12-06 00:56:52,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 00:56:52,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 00:56:52,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2022-12-06 00:56:52,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:56:52,401 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 00:56:52,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2022-12-06 00:56:52,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:56:52,480 INFO L208 MainTranslator]: Completed translation [2022-12-06 00:56:52,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52 WrapperNode [2022-12-06 00:56:52,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 00:56:52,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 00:56:52,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 00:56:52,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 00:56:52,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,526 INFO L138 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-12-06 00:56:52,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 00:56:52,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 00:56:52,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 00:56:52,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 00:56:52,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 00:56:52,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 00:56:52,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 00:56:52,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 00:56:52,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (1/1) ... [2022-12-06 00:56:52,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:56:52,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 00:56:52,588 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) [2022-12-06 00:56:52,607 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 [2022-12-06 00:56:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 00:56:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 00:56:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 00:56:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 00:56:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 00:56:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 00:56:52,624 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 00:56:52,755 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 00:56:52,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 00:56:52,986 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 00:56:52,992 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 00:56:52,993 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 00:56:52,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:52 BoogieIcfgContainer [2022-12-06 00:56:52,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 00:56:52,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 00:56:52,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 00:56:52,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 00:56:53,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 12:56:52" (1/3) ... [2022-12-06 00:56:53,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1f946b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:56:53, skipping insertion in model container [2022-12-06 00:56:53,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52" (2/3) ... [2022-12-06 00:56:53,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1f946b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:56:53, skipping insertion in model container [2022-12-06 00:56:53,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:52" (3/3) ... [2022-12-06 00:56:53,002 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2022-12-06 00:56:53,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 00:56:53,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 00:56:53,026 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 00:56:53,103 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 00:56:53,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 89 transitions, 194 flow [2022-12-06 00:56:53,197 INFO L130 PetriNetUnfolder]: 1/87 cut-off events. [2022-12-06 00:56:53,197 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:56:53,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 87 events. 1/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-06 00:56:53,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 89 transitions, 194 flow [2022-12-06 00:56:53,205 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 77 transitions, 166 flow [2022-12-06 00:56:53,207 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:56:53,228 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 77 transitions, 166 flow [2022-12-06 00:56:53,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 77 transitions, 166 flow [2022-12-06 00:56:53,261 INFO L130 PetriNetUnfolder]: 0/77 cut-off events. [2022-12-06 00:56:53,262 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:56:53,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 77 events. 0/77 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 00:56:53,264 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 77 transitions, 166 flow [2022-12-06 00:56:53,264 INFO L188 LiptonReduction]: Number of co-enabled transitions 732 [2022-12-06 00:56:56,552 INFO L203 LiptonReduction]: Total number of compositions: 54 [2022-12-06 00:56:56,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 00:56:56,567 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;@58d32d0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 00:56:56,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 00:56:56,572 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-12-06 00:56:56,572 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:56:56,572 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:56:56,572 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:56:56,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:56:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:56:56,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1235596550, now seen corresponding path program 1 times [2022-12-06 00:56:56,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:56:56,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800019956] [2022-12-06 00:56:56,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:56:56,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:56:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:56:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:56:56,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:56:56,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800019956] [2022-12-06 00:56:56,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800019956] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:56:56,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:56:56,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 00:56:56,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946900467] [2022-12-06 00:56:56,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:56:56,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 00:56:56,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:56:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 00:56:56,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 00:56:56,978 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 23 [2022-12-06 00:56:56,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 23 transitions, 58 flow. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-12-06 00:56:56,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:56:56,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 23 [2022-12-06 00:56:56,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:56:57,129 INFO L130 PetriNetUnfolder]: 113/289 cut-off events. [2022-12-06 00:56:57,130 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-06 00:56:57,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 289 events. 113/289 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1323 event pairs, 31 based on Foata normal form. 1/288 useless extension candidates. Maximal degree in co-relation 464. Up to 102 conditions per place. [2022-12-06 00:56:57,133 INFO L137 encePairwiseOnDemand]: 18/23 looper letters, 23 selfloop transitions, 4 changer transitions 14/46 dead transitions. [2022-12-06 00:56:57,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 46 transitions, 195 flow [2022-12-06 00:56:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 00:56:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 00:56:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 72 transitions. [2022-12-06 00:56:57,141 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2022-12-06 00:56:57,144 INFO L294 CegarLoopForPetriNet]: 30 programPoint places, 5 predicate places. [2022-12-06 00:56:57,145 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:56:57,145 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 46 transitions, 195 flow [2022-12-06 00:56:57,148 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 46 transitions, 195 flow [2022-12-06 00:56:57,148 INFO L188 LiptonReduction]: Number of co-enabled transitions 136 [2022-12-06 00:56:57,388 INFO L203 LiptonReduction]: Total number of compositions: 5 [2022-12-06 00:56:57,390 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 246 [2022-12-06 00:56:57,390 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 42 transitions, 187 flow [2022-12-06 00:56:57,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-12-06 00:56:57,390 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:56:57,390 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:56:57,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 00:56:57,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:56:57,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:56:57,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1994597567, now seen corresponding path program 1 times [2022-12-06 00:56:57,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:56:57,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073854254] [2022-12-06 00:56:57,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:56:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:56:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:56:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:56:57,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:56:57,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073854254] [2022-12-06 00:56:57,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073854254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:56:57,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:56:57,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:56:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191356938] [2022-12-06 00:56:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:56:57,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:56:57,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:56:57,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:56:57,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:56:57,496 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 24 [2022-12-06 00:56:57,496 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 42 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-06 00:56:57,496 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:56:57,496 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 24 [2022-12-06 00:56:57,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:56:57,531 INFO L130 PetriNetUnfolder]: 36/108 cut-off events. [2022-12-06 00:56:57,531 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-06 00:56:57,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 108 events. 36/108 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 302 event pairs, 2 based on Foata normal form. 14/122 useless extension candidates. Maximal degree in co-relation 237. Up to 58 conditions per place. [2022-12-06 00:56:57,532 INFO L137 encePairwiseOnDemand]: 19/24 looper letters, 23 selfloop transitions, 4 changer transitions 17/47 dead transitions. [2022-12-06 00:56:57,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 47 transitions, 300 flow [2022-12-06 00:56:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:56:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:56:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-06 00:56:57,534 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4861111111111111 [2022-12-06 00:56:57,535 INFO L294 CegarLoopForPetriNet]: 30 programPoint places, 3 predicate places. [2022-12-06 00:56:57,535 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:56:57,535 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 47 transitions, 300 flow [2022-12-06 00:56:57,536 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 47 transitions, 300 flow [2022-12-06 00:56:57,536 INFO L188 LiptonReduction]: Number of co-enabled transitions 8 [2022-12-06 00:56:57,575 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 00:56:57,576 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 41 [2022-12-06 00:56:57,577 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 46 transitions, 298 flow [2022-12-06 00:56:57,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-06 00:56:57,577 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:56:57,577 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:56:57,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 00:56:57,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:56:57,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:56:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1634527430, now seen corresponding path program 1 times [2022-12-06 00:56:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:56:57,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059695812] [2022-12-06 00:56:57,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:56:57,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:56:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:56:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:56:57,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:56:57,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059695812] [2022-12-06 00:56:57,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059695812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:56:57,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:56:57,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 00:56:57,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147922158] [2022-12-06 00:56:57,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:56:57,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 00:56:57,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:56:57,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 00:56:57,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 00:56:57,739 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 00:56:57,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 46 transitions, 298 flow. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-12-06 00:56:57,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:56:57,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 00:56:57,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:56:57,842 INFO L130 PetriNetUnfolder]: 36/101 cut-off events. [2022-12-06 00:56:57,843 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-12-06 00:56:57,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 101 events. 36/101 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 270 event pairs, 0 based on Foata normal form. 1/102 useless extension candidates. Maximal degree in co-relation 310. Up to 58 conditions per place. [2022-12-06 00:56:57,843 INFO L137 encePairwiseOnDemand]: 17/22 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2022-12-06 00:56:57,844 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 54 transitions, 463 flow [2022-12-06 00:56:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 00:56:57,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 00:56:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2022-12-06 00:56:57,845 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.30303030303030304 [2022-12-06 00:56:57,845 INFO L294 CegarLoopForPetriNet]: 30 programPoint places, 6 predicate places. [2022-12-06 00:56:57,845 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:56:57,845 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 54 transitions, 463 flow [2022-12-06 00:56:57,846 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 54 transitions, 463 flow [2022-12-06 00:56:57,846 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 00:56:57,847 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:56:57,848 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-06 00:56:57,848 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 54 transitions, 463 flow [2022-12-06 00:56:57,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-12-06 00:56:57,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 00:56:57,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 00:56:57,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 00:56:57,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 00:56:57,850 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 00:56:57,853 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 00:56:57,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 00:56:57,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 12:56:57 BasicIcfg [2022-12-06 00:56:57,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 00:56:57,855 INFO L158 Benchmark]: Toolchain (without parser) took 5743.66ms. Allocated memory was 194.0MB in the beginning and 240.1MB in the end (delta: 46.1MB). Free memory was 168.5MB in the beginning and 183.1MB in the end (delta: -14.6MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. [2022-12-06 00:56:57,855 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 171.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:56:57,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.44ms. Allocated memory is still 194.0MB. Free memory was 168.5MB in the beginning and 149.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 00:56:57,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.55ms. Allocated memory is still 194.0MB. Free memory was 149.1MB in the beginning and 147.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 00:56:57,856 INFO L158 Benchmark]: Boogie Preprocessor took 33.64ms. Allocated memory is still 194.0MB. Free memory was 147.0MB in the beginning and 145.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 00:56:57,856 INFO L158 Benchmark]: RCFGBuilder took 433.17ms. Allocated memory is still 194.0MB. Free memory was 145.4MB in the beginning and 131.3MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 00:56:57,857 INFO L158 Benchmark]: TraceAbstraction took 4858.42ms. Allocated memory was 194.0MB in the beginning and 240.1MB in the end (delta: 46.1MB). Free memory was 130.8MB in the beginning and 183.1MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:56:57,857 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 194.0MB. Free memory is still 171.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 367.44ms. Allocated memory is still 194.0MB. Free memory was 168.5MB in the beginning and 149.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.55ms. Allocated memory is still 194.0MB. Free memory was 149.1MB in the beginning and 147.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.64ms. Allocated memory is still 194.0MB. Free memory was 147.0MB in the beginning and 145.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 433.17ms. Allocated memory is still 194.0MB. Free memory was 145.4MB in the beginning and 131.3MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4858.42ms. Allocated memory was 194.0MB in the beginning and 240.1MB in the end (delta: 46.1MB). Free memory was 130.8MB in the beginning and 183.1MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 84 PlacesBefore, 30 PlacesAfterwards, 77 TransitionsBefore, 23 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 35 TrivialYvCompositions, 19 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 603, independent: 546, independent conditional: 546, independent unconditional: 0, dependent: 57, dependent conditional: 57, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 603, independent: 546, independent conditional: 0, independent unconditional: 546, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 603, independent: 546, independent conditional: 0, independent unconditional: 546, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 603, independent: 546, independent conditional: 0, independent unconditional: 546, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 464, independent: 435, independent conditional: 0, independent unconditional: 435, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 464, independent: 415, independent conditional: 0, independent unconditional: 415, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 603, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 464, unknown conditional: 0, unknown unconditional: 464] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 566, Positive conditional cache size: 0, Positive unconditional cache size: 566, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, 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: 0.2s, 35 PlacesBefore, 31 PlacesAfterwards, 46 TransitionsBefore, 42 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 33 PlacesBefore, 32 PlacesAfterwards, 47 TransitionsBefore, 46 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 36 PlacesBefore, 36 PlacesAfterwards, 54 TransitionsBefore, 54 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: 727]: 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 5 procedures, 119 locations, 3 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: 4.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 315 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-12-06 00:56:57,898 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...