/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/goblint-regression/13-privatized_20-publish-regression_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:40:05,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:40:05,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:40:05,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:40:05,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:40:05,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:40:05,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:40:05,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:40:05,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:40:05,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:40:05,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:40:05,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:40:05,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:40:05,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:40:05,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:40:05,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:40:05,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:40:05,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:40:05,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:40:05,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:40:05,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:40:05,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:40:05,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:40:05,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:40:05,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:40:05,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:40:05,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:40:05,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:40:05,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:40:05,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:40:05,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:40:05,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:40:05,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:40:05,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:40:05,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:40:05,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:40:05,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:40:05,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:40:05,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:40:05,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:40:05,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:40:05,559 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 01:40:05,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:40:05,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:40:05,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:40:05,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:40:05,593 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:40:05,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:40:05,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:40:05,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:40:05,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:40:05,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:40:05,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:40:05,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:40:05,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:40:05,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:40:05,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:40:05,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:40:05,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:40:05,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:40:05,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:40:05,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:40:05,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:40:05,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:40:05,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:40:05,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:40:05,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:40:05,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:40:05,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:40:05,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:40:05,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:40:05,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:40:05,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:40:05,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:40:05,945 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:40:05,945 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:40:05,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-06 01:40:07,120 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:40:07,381 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:40:07,381 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-06 01:40:07,393 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c2b0ab0/b8b0008937104c3c8ba34211a74be876/FLAG91d4f45f8 [2022-12-06 01:40:07,404 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c2b0ab0/b8b0008937104c3c8ba34211a74be876 [2022-12-06 01:40:07,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:40:07,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:40:07,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:40:07,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:40:07,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:40:07,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae28dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07, skipping insertion in model container [2022-12-06 01:40:07,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:40:07,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:40:07,586 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_20-publish-regression_true.i[1095,1108] [2022-12-06 01:40:07,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:40:07,744 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:40:07,756 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_20-publish-regression_true.i[1095,1108] [2022-12-06 01:40:07,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:40:07,835 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:40:07,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07 WrapperNode [2022-12-06 01:40:07,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:40:07,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:40:07,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:40:07,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:40:07,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,896 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-12-06 01:40:07,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:40:07,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:40:07,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:40:07,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:40:07,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:40:07,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:40:07,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:40:07,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:40:07,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (1/1) ... [2022-12-06 01:40:07,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:40:07,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:40:07,964 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 01:40:07,972 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 01:40:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 01:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:40:08,012 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 01:40:08,188 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:40:08,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:40:08,310 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:40:08,316 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:40:08,317 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:40:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:08 BoogieIcfgContainer [2022-12-06 01:40:08,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:40:08,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:40:08,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:40:08,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:40:08,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:40:07" (1/3) ... [2022-12-06 01:40:08,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce1f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:40:08, skipping insertion in model container [2022-12-06 01:40:08,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:07" (2/3) ... [2022-12-06 01:40:08,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce1f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:40:08, skipping insertion in model container [2022-12-06 01:40:08,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:08" (3/3) ... [2022-12-06 01:40:08,325 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-12-06 01:40:08,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:40:08,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-06 01:40:08,342 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:40:08,381 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 01:40:08,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 170 flow [2022-12-06 01:40:08,453 INFO L130 PetriNetUnfolder]: 3/80 cut-off events. [2022-12-06 01:40:08,454 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:40:08,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 3/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-06 01:40:08,458 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 81 transitions, 170 flow [2022-12-06 01:40:08,462 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 73 transitions, 149 flow [2022-12-06 01:40:08,463 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:40:08,478 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 73 transitions, 149 flow [2022-12-06 01:40:08,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 73 transitions, 149 flow [2022-12-06 01:40:08,500 INFO L130 PetriNetUnfolder]: 3/73 cut-off events. [2022-12-06 01:40:08,500 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:08,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 3/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-06 01:40:08,502 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 73 transitions, 149 flow [2022-12-06 01:40:08,502 INFO L188 LiptonReduction]: Number of co-enabled transitions 616 [2022-12-06 01:40:11,822 INFO L203 LiptonReduction]: Total number of compositions: 64 [2022-12-06 01:40:11,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:40:11,842 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;@b23408d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:40:11,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 01:40:11,844 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 01:40:11,844 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:11,844 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:40:11,844 INFO L213 CegarLoopForPetriNet]: trace histogram [1] [2022-12-06 01:40:11,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:40:11,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:40:11,849 INFO L85 PathProgramCache]: Analyzing trace with hash 313, now seen corresponding path program 1 times [2022-12-06 01:40:11,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:40:11,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106926128] [2022-12-06 01:40:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:40:11,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:40:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:40:11,938 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 01:40:11,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:40:11,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106926128] [2022-12-06 01:40:11,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106926128] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:40:11,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:40:11,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-06 01:40:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117239901] [2022-12-06 01:40:11,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:40:11,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 01:40:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:40:11,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 01:40:11,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 01:40:11,967 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 22 [2022-12-06 01:40:11,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 22 transitions, 47 flow. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 01:40:11,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:40:11,969 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 22 [2022-12-06 01:40:11,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:40:12,014 INFO L130 PetriNetUnfolder]: 30/90 cut-off events. [2022-12-06 01:40:12,015 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:12,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 90 events. 30/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 279 event pairs, 30 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 159. Up to 74 conditions per place. [2022-12-06 01:40:12,016 INFO L137 encePairwiseOnDemand]: 17/22 looper letters, 13 selfloop transitions, 0 changer transitions 0/17 dead transitions. [2022-12-06 01:40:12,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 17 transitions, 63 flow [2022-12-06 01:40:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 01:40:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 01:40:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 26 transitions. [2022-12-06 01:40:12,027 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5909090909090909 [2022-12-06 01:40:12,030 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2022-12-06 01:40:12,031 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:40:12,031 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 63 flow [2022-12-06 01:40:12,034 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 63 flow [2022-12-06 01:40:12,034 INFO L188 LiptonReduction]: Number of co-enabled transitions 40 [2022-12-06 01:40:12,133 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 01:40:12,137 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 107 [2022-12-06 01:40:12,139 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 14 transitions, 57 flow [2022-12-06 01:40:12,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 01:40:12,140 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:40:12,140 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 01:40:12,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:40:12,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:40:12,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:40:12,142 INFO L85 PathProgramCache]: Analyzing trace with hash 9554098, now seen corresponding path program 1 times [2022-12-06 01:40:12,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:40:12,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299663756] [2022-12-06 01:40:12,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:40:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:40:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:40:12,346 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 01:40:12,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:40:12,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299663756] [2022-12-06 01:40:12,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299663756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:40:12,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:40:12,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:40:12,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501889933] [2022-12-06 01:40:12,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:40:12,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:40:12,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:40:12,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:40:12,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:40:12,352 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 14 [2022-12-06 01:40:12,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 14 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 01:40:12,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:40:12,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 14 [2022-12-06 01:40:12,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:40:12,392 INFO L130 PetriNetUnfolder]: 20/55 cut-off events. [2022-12-06 01:40:12,393 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:12,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 55 events. 20/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 16 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 157. Up to 55 conditions per place. [2022-12-06 01:40:12,396 INFO L137 encePairwiseOnDemand]: 9/14 looper letters, 7 selfloop transitions, 3 changer transitions 7/17 dead transitions. [2022-12-06 01:40:12,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 17 transitions, 101 flow [2022-12-06 01:40:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:40:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:40:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2022-12-06 01:40:12,403 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 01:40:12,403 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, -4 predicate places. [2022-12-06 01:40:12,404 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:40:12,404 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 17 transitions, 101 flow [2022-12-06 01:40:12,407 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 17 transitions, 101 flow [2022-12-06 01:40:12,407 INFO L188 LiptonReduction]: Number of co-enabled transitions 8 [2022-12-06 01:40:12,407 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:40:12,409 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 01:40:12,409 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 101 flow [2022-12-06 01:40:12,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 01:40:12,409 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:40:12,409 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:40:12,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:40:12,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:40:12,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:40:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1157846937, now seen corresponding path program 1 times [2022-12-06 01:40:12,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:40:12,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371521855] [2022-12-06 01:40:12,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:40:12,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:40:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:40:12,553 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 01:40:12,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:40:12,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371521855] [2022-12-06 01:40:12,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371521855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:40:12,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:40:12,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:40:12,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178814495] [2022-12-06 01:40:12,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:40:12,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:40:12,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:40:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:40:12,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:40:12,555 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 13 [2022-12-06 01:40:12,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:40:12,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:40:12,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 13 [2022-12-06 01:40:12,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:40:12,579 INFO L130 PetriNetUnfolder]: 6/30 cut-off events. [2022-12-06 01:40:12,579 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:12,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 30 events. 6/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 2 based on Foata normal form. 2/30 useless extension candidates. Maximal degree in co-relation 109. Up to 30 conditions per place. [2022-12-06 01:40:12,580 INFO L137 encePairwiseOnDemand]: 9/13 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2022-12-06 01:40:12,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 14 transitions, 109 flow [2022-12-06 01:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:40:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:40:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-12-06 01:40:12,581 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4358974358974359 [2022-12-06 01:40:12,581 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2022-12-06 01:40:12,582 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:40:12,582 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 14 transitions, 109 flow [2022-12-06 01:40:12,582 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 14 transitions, 109 flow [2022-12-06 01:40:12,583 INFO L188 LiptonReduction]: Number of co-enabled transitions 8 [2022-12-06 01:40:12,655 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:40:12,656 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 74 [2022-12-06 01:40:12,656 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 12 transitions, 93 flow [2022-12-06 01:40:12,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:40:12,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 01:40:12,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 01:40:12,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 01:40:12,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-12-06 01:40:12,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-06 01:40:12,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:40:12,659 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 01:40:12,663 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:40:12,664 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:40:12,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:40:12 BasicIcfg [2022-12-06 01:40:12,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:40:12,667 INFO L158 Benchmark]: Toolchain (without parser) took 5259.73ms. Allocated memory was 178.3MB in the beginning and 223.3MB in the end (delta: 45.1MB). Free memory was 154.0MB in the beginning and 196.7MB in the end (delta: -42.7MB). Peak memory consumption was 122.5MB. Max. memory is 8.0GB. [2022-12-06 01:40:12,667 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:40:12,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.87ms. Allocated memory is still 178.3MB. Free memory was 154.0MB in the beginning and 135.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 01:40:12,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.37ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:40:12,668 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 178.3MB. Free memory was 133.0MB in the beginning and 131.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 01:40:12,668 INFO L158 Benchmark]: RCFGBuilder took 388.13ms. Allocated memory is still 178.3MB. Free memory was 131.4MB in the beginning and 118.1MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 01:40:12,668 INFO L158 Benchmark]: TraceAbstraction took 4345.99ms. Allocated memory was 178.3MB in the beginning and 223.3MB in the end (delta: 45.1MB). Free memory was 117.3MB in the beginning and 196.7MB in the end (delta: -79.4MB). Peak memory consumption was 85.8MB. Max. memory is 8.0GB. [2022-12-06 01:40:12,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.87ms. Allocated memory is still 178.3MB. Free memory was 154.0MB in the beginning and 135.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.37ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 178.3MB. Free memory was 133.0MB in the beginning and 131.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 388.13ms. Allocated memory is still 178.3MB. Free memory was 131.4MB in the beginning and 118.1MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4345.99ms. Allocated memory was 178.3MB in the beginning and 223.3MB in the end (delta: 45.1MB). Free memory was 117.3MB in the beginning and 196.7MB in the end (delta: -79.4MB). Peak memory consumption was 85.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 74 PlacesBefore, 24 PlacesAfterwards, 73 TransitionsBefore, 22 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 6 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 33 TrivialYvCompositions, 21 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1306, independent: 1153, independent conditional: 1153, independent unconditional: 0, dependent: 153, dependent conditional: 153, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1306, independent: 1153, independent conditional: 0, independent unconditional: 1153, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1306, independent: 1153, independent conditional: 0, independent unconditional: 1153, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1306, independent: 1153, independent conditional: 0, independent unconditional: 1153, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 514, independent conditional: 0, independent unconditional: 514, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1306, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 549, unknown conditional: 0, unknown unconditional: 549] , Statistics on independence cache: Total cache size (in pairs): 1408, Positive cache size: 1373, Positive conditional cache size: 0, Positive unconditional cache size: 1373, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, 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: 0.1s, 22 PlacesBefore, 19 PlacesAfterwards, 17 TransitionsBefore, 14 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 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, 20 PlacesBefore, 20 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 8 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 21 PlacesBefore, 19 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 102 locations, 5 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: 4.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:40:12,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...