/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 22:00:24,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 22:00:24,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 22:00:24,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 22:00:24,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 22:00:24,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 22:00:24,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 22:00:24,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 22:00:24,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 22:00:24,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 22:00:24,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 22:00:24,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 22:00:24,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 22:00:24,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 22:00:24,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 22:00:24,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 22:00:24,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 22:00:24,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 22:00:24,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 22:00:24,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 22:00:24,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 22:00:24,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 22:00:24,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 22:00:24,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 22:00:24,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 22:00:24,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 22:00:24,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 22:00:24,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 22:00:24,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 22:00:24,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 22:00:24,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 22:00:24,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 22:00:24,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 22:00:24,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 22:00:24,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 22:00:24,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 22:00:24,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 22:00:24,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 22:00:24,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 22:00:24,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 22:00:24,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 22:00:24,933 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-NoLbe.epf [2022-12-11 22:00:24,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 22:00:24,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 22:00:24,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 22:00:24,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 22:00:24,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 22:00:24,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 22:00:24,963 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 22:00:24,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 22:00:24,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 22:00:24,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 22:00:24,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 22:00:24,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 22:00:24,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 22:00:24,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 22:00:24,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 22:00:24,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 22:00:24,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 22:00:24,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 22:00:24,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 22:00:24,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 22:00:24,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 22:00:24,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 22:00:24,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 22:00:24,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 22:00:24,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 22:00:24,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 22:00:24,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 22:00:24,966 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 22:00:24,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 22:00:24,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 22:00:24,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 22:00:24,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 22:00:25,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 22:00:25,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 22:00:25,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 22:00:25,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 22:00:25,311 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 22:00:25,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-12-11 22:00:26,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 22:00:26,577 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 22:00:26,577 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-12-11 22:00:26,582 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe45378a/e3a22b1fff39488899765edf22f85aad/FLAG642238a81 [2022-12-11 22:00:26,592 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe45378a/e3a22b1fff39488899765edf22f85aad [2022-12-11 22:00:26,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 22:00:26,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 22:00:26,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 22:00:26,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 22:00:26,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 22:00:26,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0cc1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26, skipping insertion in model container [2022-12-11 22:00:26,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 22:00:26,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 22:00:26,760 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-12-11 22:00:26,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 22:00:26,793 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 22:00:26,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-12-11 22:00:26,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 22:00:26,847 INFO L208 MainTranslator]: Completed translation [2022-12-11 22:00:26,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26 WrapperNode [2022-12-11 22:00:26,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 22:00:26,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 22:00:26,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 22:00:26,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 22:00:26,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,912 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 271 [2022-12-11 22:00:26,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 22:00:26,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 22:00:26,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 22:00:26,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 22:00:26,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 22:00:26,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 22:00:26,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 22:00:26,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 22:00:26,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (1/1) ... [2022-12-11 22:00:26,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 22:00:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 22:00:26,972 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) [2022-12-11 22:00:26,997 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 [2022-12-11 22:00:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 22:00:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 22:00:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 22:00:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 22:00:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-11 22:00:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-11 22:00:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-11 22:00:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-11 22:00:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-11 22:00:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-11 22:00:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 22:00:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-11 22:00:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 22:00:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 22:00:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 22:00:27,014 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 22:00:27,149 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 22:00:27,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 22:00:27,567 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 22:00:27,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 22:00:27,577 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-11 22:00:27,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 10:00:27 BoogieIcfgContainer [2022-12-11 22:00:27,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 22:00:27,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 22:00:27,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 22:00:27,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 22:00:27,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 10:00:26" (1/3) ... [2022-12-11 22:00:27,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 10:00:27, skipping insertion in model container [2022-12-11 22:00:27,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 10:00:26" (2/3) ... [2022-12-11 22:00:27,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 10:00:27, skipping insertion in model container [2022-12-11 22:00:27,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 10:00:27" (3/3) ... [2022-12-11 22:00:27,586 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2022-12-11 22:00:27,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 22:00:27,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 22:00:27,603 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 22:00:27,739 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-11 22:00:27,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 317 transitions, 658 flow [2022-12-11 22:00:27,908 INFO L130 PetriNetUnfolder]: 29/314 cut-off events. [2022-12-11 22:00:27,908 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 22:00:27,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 314 events. 29/314 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 427 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-12-11 22:00:27,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 317 transitions, 658 flow [2022-12-11 22:00:27,926 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 285 places, 304 transitions, 626 flow [2022-12-11 22:00:27,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 22:00:27,962 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@297b7237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 22:00:27,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-11 22:00:28,053 INFO L130 PetriNetUnfolder]: 28/300 cut-off events. [2022-12-11 22:00:28,053 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 22:00:28,054 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:28,054 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:28,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:28,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:28,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1251909400, now seen corresponding path program 1 times [2022-12-11 22:00:28,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:28,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937825531] [2022-12-11 22:00:28,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:28,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 22:00:29,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:29,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937825531] [2022-12-11 22:00:29,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937825531] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 22:00:29,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 22:00:29,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-11 22:00:29,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93695941] [2022-12-11 22:00:29,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:29,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-11 22:00:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:29,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-11 22:00:29,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-11 22:00:29,277 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 317 [2022-12-11 22:00:29,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 304 transitions, 626 flow. Second operand has 12 states, 12 states have (on average 227.58333333333334) internal successors, (2731), 12 states have internal predecessors, (2731), 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) [2022-12-11 22:00:29,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:29,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 317 [2022-12-11 22:00:29,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:30,223 INFO L130 PetriNetUnfolder]: 189/2026 cut-off events. [2022-12-11 22:00:30,223 INFO L131 PetriNetUnfolder]: For 145/145 co-relation queries the response was YES. [2022-12-11 22:00:30,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2526 conditions, 2026 events. 189/2026 cut-off events. For 145/145 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14833 event pairs, 46 based on Foata normal form. 393/2209 useless extension candidates. Maximal degree in co-relation 1906. Up to 155 conditions per place. [2022-12-11 22:00:30,245 INFO L137 encePairwiseOnDemand]: 271/317 looper letters, 123 selfloop transitions, 9 changer transitions 38/381 dead transitions. [2022-12-11 22:00:30,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 381 transitions, 1156 flow [2022-12-11 22:00:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-11 22:00:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-11 22:00:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4027 transitions. [2022-12-11 22:00:30,267 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7472629430321024 [2022-12-11 22:00:30,271 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 16 predicate places. [2022-12-11 22:00:30,272 INFO L82 GeneralOperation]: Start removeDead. Operand has 301 places, 381 transitions, 1156 flow [2022-12-11 22:00:30,284 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 343 transitions, 1001 flow [2022-12-11 22:00:30,285 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 343 transitions, 1001 flow [2022-12-11 22:00:30,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 227.58333333333334) internal successors, (2731), 12 states have internal predecessors, (2731), 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) [2022-12-11 22:00:30,287 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:30,288 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:30,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 22:00:30,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:30,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:30,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1687444983, now seen corresponding path program 1 times [2022-12-11 22:00:30,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:30,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924803205] [2022-12-11 22:00:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 22:00:30,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:30,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924803205] [2022-12-11 22:00:30,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924803205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 22:00:30,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 22:00:30,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 22:00:30,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215546289] [2022-12-11 22:00:30,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:30,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 22:00:30,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:30,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 22:00:30,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-11 22:00:30,524 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 317 [2022-12-11 22:00:30,526 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 343 transitions, 1001 flow. Second operand has 7 states, 7 states have (on average 244.71428571428572) internal successors, (1713), 7 states have internal predecessors, (1713), 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) [2022-12-11 22:00:30,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:30,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 317 [2022-12-11 22:00:30,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:31,628 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([790] L50-2-->L50-3: Formula: (= |v_thread1Thread1of1ForFork0_#t~post1#1_1| |v_thread1Thread1of1ForFork0_~i~0#1_9|) InVars {thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} OutVars{thread1Thread1of1ForFork0_#t~post1#1=|v_thread1Thread1of1ForFork0_#t~post1#1_1|, thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1#1][320], [thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 192#L50-3true, 66#L59true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true]) [2022-12-11 22:00:31,629 INFO L382 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,629 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,629 INFO L385 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,630 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,630 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([790] L50-2-->L50-3: Formula: (= |v_thread1Thread1of1ForFork0_#t~post1#1_1| |v_thread1Thread1of1ForFork0_~i~0#1_9|) InVars {thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} OutVars{thread1Thread1of1ForFork0_#t~post1#1=|v_thread1Thread1of1ForFork0_#t~post1#1_1|, thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1#1][320], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 192#L50-3true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true]) [2022-12-11 22:00:31,630 INFO L382 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,631 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,631 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,634 INFO L385 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,634 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([790] L50-2-->L50-3: Formula: (= |v_thread1Thread1of1ForFork0_#t~post1#1_1| |v_thread1Thread1of1ForFork0_~i~0#1_9|) InVars {thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} OutVars{thread1Thread1of1ForFork0_#t~post1#1=|v_thread1Thread1of1ForFork0_#t~post1#1_1|, thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1#1][320], [34#L58-6true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 68#L67true, 202#L85-4true]) [2022-12-11 22:00:31,639 INFO L382 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,639 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,639 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,639 INFO L385 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,640 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([790] L50-2-->L50-3: Formula: (= |v_thread1Thread1of1ForFork0_#t~post1#1_1| |v_thread1Thread1of1ForFork0_~i~0#1_9|) InVars {thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} OutVars{thread1Thread1of1ForFork0_#t~post1#1=|v_thread1Thread1of1ForFork0_#t~post1#1_1|, thread1Thread1of1ForFork0_~i~0#1=|v_thread1Thread1of1ForFork0_~i~0#1_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1#1][320], [69#L66-6true, 34#L58-6true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true]) [2022-12-11 22:00:31,640 INFO L382 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,640 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,640 INFO L385 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-12-11 22:00:31,640 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:31,957 INFO L130 PetriNetUnfolder]: 1653/8521 cut-off events. [2022-12-11 22:00:31,958 INFO L131 PetriNetUnfolder]: For 2202/2506 co-relation queries the response was YES. [2022-12-11 22:00:32,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12469 conditions, 8521 events. 1653/8521 cut-off events. For 2202/2506 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 86496 event pairs, 582 based on Foata normal form. 12/7173 useless extension candidates. Maximal degree in co-relation 6443. Up to 1162 conditions per place. [2022-12-11 22:00:32,036 INFO L137 encePairwiseOnDemand]: 298/317 looper letters, 138 selfloop transitions, 28 changer transitions 0/444 dead transitions. [2022-12-11 22:00:32,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 444 transitions, 1693 flow [2022-12-11 22:00:32,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-11 22:00:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-11 22:00:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2772 transitions. [2022-12-11 22:00:32,043 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7949526813880127 [2022-12-11 22:00:32,043 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 5 predicate places. [2022-12-11 22:00:32,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 290 places, 444 transitions, 1693 flow [2022-12-11 22:00:32,128 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 444 transitions, 1693 flow [2022-12-11 22:00:32,128 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 444 transitions, 1693 flow [2022-12-11 22:00:32,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 244.71428571428572) internal successors, (1713), 7 states have internal predecessors, (1713), 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) [2022-12-11 22:00:32,130 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:32,130 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:32,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 22:00:32,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:32,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:32,131 INFO L85 PathProgramCache]: Analyzing trace with hash 544361881, now seen corresponding path program 1 times [2022-12-11 22:00:32,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:32,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588123533] [2022-12-11 22:00:32,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:32,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 22:00:32,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:32,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588123533] [2022-12-11 22:00:32,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588123533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 22:00:32,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 22:00:32,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 22:00:32,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307198675] [2022-12-11 22:00:32,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:32,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 22:00:32,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:32,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 22:00:32,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-11 22:00:32,333 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 317 [2022-12-11 22:00:32,335 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 444 transitions, 1693 flow. Second operand has 7 states, 7 states have (on average 244.71428571428572) internal successors, (1713), 7 states have internal predecessors, (1713), 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) [2022-12-11 22:00:32,335 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:32,335 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 317 [2022-12-11 22:00:32,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:33,569 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 192#L50-3true, thread3Thread1of1ForFork2InUse, 118#L58-5true, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,569 INFO L382 tUnfolder$Statistics]: this new event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,569 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L385 tUnfolder$Statistics]: existing Event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 192#L50-3true, thread3Thread1of1ForFork2InUse, 118#L58-5true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,570 INFO L382 tUnfolder$Statistics]: this new event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L385 tUnfolder$Statistics]: existing Event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,570 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 213#L50-4true, thread3Thread1of1ForFork2InUse, 118#L58-5true, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,571 INFO L382 tUnfolder$Statistics]: this new event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,571 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,571 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,571 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,571 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 213#L50-4true, thread3Thread1of1ForFork2InUse, 118#L58-5true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,571 INFO L382 tUnfolder$Statistics]: this new event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,571 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,571 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,572 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,575 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 221#L58-4true, 6#L50-5true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,575 INFO L382 tUnfolder$Statistics]: this new event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,575 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,575 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,575 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,575 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, 303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 221#L58-4true, 6#L50-5true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,575 INFO L382 tUnfolder$Statistics]: this new event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,575 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 6#L50-5true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 149#L58-3true, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,576 INFO L382 tUnfolder$Statistics]: this new event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L385 tUnfolder$Statistics]: existing Event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,576 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, 303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 6#L50-5true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 149#L58-3true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,577 INFO L382 tUnfolder$Statistics]: this new event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,577 INFO L385 tUnfolder$Statistics]: existing Event has 197 ancestors and is cut-off event [2022-12-11 22:00:33,577 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,577 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:33,615 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 213#L50-4true, 13#L59-1true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,615 INFO L382 tUnfolder$Statistics]: this new event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,615 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,615 INFO L385 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,615 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,615 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 213#L50-4true, 13#L59-1true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,616 INFO L382 tUnfolder$Statistics]: this new event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L385 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 192#L50-3true, 13#L59-1true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,616 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,616 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,617 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 192#L50-3true, 13#L59-1true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,617 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,617 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,617 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,617 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,619 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 3#L51-1true, thread2Thread1of1ForFork1InUse, 149#L58-3true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,619 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,619 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,619 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,619 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,619 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, 303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 3#L51-1true, thread2Thread1of1ForFork1InUse, 149#L58-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,619 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,619 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,620 INFO L385 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2022-12-11 22:00:33,620 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:33,620 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 3#L51-1true, 221#L58-4true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,620 INFO L382 tUnfolder$Statistics]: this new event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,620 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,621 INFO L385 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,624 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,625 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, 303#(= ~asum~0 0), thread1Thread1of1ForFork0InUse, 3#L51-1true, 221#L58-4true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,626 INFO L382 tUnfolder$Statistics]: this new event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,626 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,626 INFO L385 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2022-12-11 22:00:33,626 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:33,894 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, 221#L58-4true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,895 INFO L382 tUnfolder$Statistics]: this new event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,895 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,895 INFO L385 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,895 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,896 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, 221#L58-4true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,896 INFO L382 tUnfolder$Statistics]: this new event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,896 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,896 INFO L385 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,896 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, 221#L58-4true, thread2Thread1of1ForFork1InUse, 213#L50-4true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,897 INFO L382 tUnfolder$Statistics]: this new event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L385 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, 221#L58-4true, thread2Thread1of1ForFork1InUse, 213#L50-4true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,897 INFO L382 tUnfolder$Statistics]: this new event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L385 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,897 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 149#L58-3true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,898 INFO L382 tUnfolder$Statistics]: this new event has 219 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L385 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L385 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L385 tUnfolder$Statistics]: existing Event has 219 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 149#L58-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,898 INFO L382 tUnfolder$Statistics]: this new event has 219 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L385 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L385 tUnfolder$Statistics]: existing Event has 219 ancestors and is cut-off event [2022-12-11 22:00:33,898 INFO L385 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 213#L50-4true, 149#L58-3true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,899 INFO L382 tUnfolder$Statistics]: this new event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L385 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, thread2Thread1of1ForFork1InUse, 213#L50-4true, 149#L58-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,899 INFO L382 tUnfolder$Statistics]: this new event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L385 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-12-11 22:00:33,899 INFO L385 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-12-11 22:00:33,905 INFO L380 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 221#L58-4true, 301#true, 213#L50-4true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,905 INFO L382 tUnfolder$Statistics]: this new event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,905 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,905 INFO L385 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,905 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,905 INFO L385 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,905 INFO L380 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 221#L58-4true, 301#true, 213#L50-4true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,905 INFO L382 tUnfolder$Statistics]: this new event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,906 INFO L385 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,906 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,906 INFO L385 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-12-11 22:00:33,906 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:33,909 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 221#L58-4true, 3#L51-1true, 301#true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,909 INFO L382 tUnfolder$Statistics]: this new event has 224 ancestors and is cut-off event [2022-12-11 22:00:33,909 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:33,909 INFO L385 tUnfolder$Statistics]: existing Event has 224 ancestors and is cut-off event [2022-12-11 22:00:33,909 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:33,909 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 221#L58-4true, 3#L51-1true, 301#true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,909 INFO L382 tUnfolder$Statistics]: this new event has 224 ancestors and is cut-off event [2022-12-11 22:00:33,910 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:33,910 INFO L385 tUnfolder$Statistics]: existing Event has 224 ancestors and is cut-off event [2022-12-11 22:00:33,910 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:33,912 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([827] L66-5-->L67: Formula: (< |v_thread3Thread1of1ForFork2_~i~2#1_3| v_~N~0_6) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][283], [thread1Thread1of1ForFork0InUse, 301#true, 3#L51-1true, thread2Thread1of1ForFork1InUse, 149#L58-3true, thread3Thread1of1ForFork2InUse, 68#L67true, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,913 INFO L382 tUnfolder$Statistics]: this new event has 223 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L385 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L385 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L385 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([828] L66-5-->L66-6: Formula: (not (< |v_thread3Thread1of1ForFork2_~i~2#1_5| v_~N~0_5)) InVars {thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork2_~i~2#1=|v_thread3Thread1of1ForFork2_~i~2#1_5|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][284], [69#L66-6true, thread1Thread1of1ForFork0InUse, 301#true, 3#L51-1true, thread2Thread1of1ForFork1InUse, 149#L58-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:33,913 INFO L382 tUnfolder$Statistics]: this new event has 223 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L385 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L385 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-12-11 22:00:33,913 INFO L385 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-12-11 22:00:33,919 INFO L130 PetriNetUnfolder]: 1968/9327 cut-off events. [2022-12-11 22:00:33,919 INFO L131 PetriNetUnfolder]: For 4232/6191 co-relation queries the response was YES. [2022-12-11 22:00:33,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15642 conditions, 9327 events. 1968/9327 cut-off events. For 4232/6191 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 92703 event pairs, 932 based on Foata normal form. 3/7687 useless extension candidates. Maximal degree in co-relation 11714. Up to 1892 conditions per place. [2022-12-11 22:00:33,999 INFO L137 encePairwiseOnDemand]: 298/317 looper letters, 142 selfloop transitions, 28 changer transitions 0/450 dead transitions. [2022-12-11 22:00:33,999 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 450 transitions, 2043 flow [2022-12-11 22:00:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-11 22:00:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-11 22:00:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2768 transitions. [2022-12-11 22:00:34,005 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7938055635216519 [2022-12-11 22:00:34,006 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 15 predicate places. [2022-12-11 22:00:34,006 INFO L82 GeneralOperation]: Start removeDead. Operand has 300 places, 450 transitions, 2043 flow [2022-12-11 22:00:34,038 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 300 places, 450 transitions, 2043 flow [2022-12-11 22:00:34,038 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 450 transitions, 2043 flow [2022-12-11 22:00:34,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 244.71428571428572) internal successors, (1713), 7 states have internal predecessors, (1713), 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) [2022-12-11 22:00:34,040 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:34,040 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:34,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 22:00:34,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:34,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:34,041 INFO L85 PathProgramCache]: Analyzing trace with hash -785609613, now seen corresponding path program 1 times [2022-12-11 22:00:34,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:34,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531794401] [2022-12-11 22:00:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:34,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:34,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:34,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531794401] [2022-12-11 22:00:34,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531794401] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:34,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935091291] [2022-12-11 22:00:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:34,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 22:00:34,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 22:00:34,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-11 22:00:34,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-11 22:00:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:34,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-11 22:00:34,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 22:00:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:34,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 22:00:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:34,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935091291] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:34,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-11 22:00:34,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-12-11 22:00:34,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474920989] [2022-12-11 22:00:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:34,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 22:00:34,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 22:00:34,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-12-11 22:00:34,793 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 317 [2022-12-11 22:00:34,795 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 450 transitions, 2043 flow. Second operand has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 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) [2022-12-11 22:00:34,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:34,795 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 317 [2022-12-11 22:00:34,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:36,400 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][333], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 103#L67-7true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:36,400 INFO L382 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-12-11 22:00:36,400 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:36,400 INFO L385 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-12-11 22:00:36,400 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][334], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 34#L58-6true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 103#L67-7true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:36,401 INFO L382 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][333], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 10#L67-2true]) [2022-12-11 22:00:36,401 INFO L382 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][334], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 34#L58-6true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 10#L67-2true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:36,401 INFO L382 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-12-11 22:00:36,401 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][333], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 90#L68-1true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:36,402 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][334], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 34#L58-6true, 90#L68-1true, thread1Thread1of1ForFork0InUse, 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:36,402 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:36,402 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:36,403 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:37,334 INFO L130 PetriNetUnfolder]: 3941/17397 cut-off events. [2022-12-11 22:00:37,335 INFO L131 PetriNetUnfolder]: For 16541/18847 co-relation queries the response was YES. [2022-12-11 22:00:37,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33703 conditions, 17397 events. 3941/17397 cut-off events. For 16541/18847 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 196439 event pairs, 1337 based on Foata normal form. 69/14623 useless extension candidates. Maximal degree in co-relation 24093. Up to 3339 conditions per place. [2022-12-11 22:00:37,467 INFO L137 encePairwiseOnDemand]: 301/317 looper letters, 236 selfloop transitions, 28 changer transitions 0/543 dead transitions. [2022-12-11 22:00:37,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 543 transitions, 3305 flow [2022-12-11 22:00:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-11 22:00:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-11 22:00:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1994 transitions. [2022-12-11 22:00:37,472 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7862776025236593 [2022-12-11 22:00:37,474 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 22 predicate places. [2022-12-11 22:00:37,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 543 transitions, 3305 flow [2022-12-11 22:00:37,545 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 307 places, 543 transitions, 3305 flow [2022-12-11 22:00:37,545 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 543 transitions, 3305 flow [2022-12-11 22:00:37,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 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) [2022-12-11 22:00:37,547 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:37,547 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:37,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-11 22:00:37,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 22:00:37,755 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:37,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:37,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1040634030, now seen corresponding path program 1 times [2022-12-11 22:00:37,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:37,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38276029] [2022-12-11 22:00:37,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:37,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 22:00:37,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:37,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38276029] [2022-12-11 22:00:37,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38276029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 22:00:37,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 22:00:37,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 22:00:37,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207874108] [2022-12-11 22:00:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:37,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 22:00:37,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 22:00:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-11 22:00:37,957 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 317 [2022-12-11 22:00:37,959 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 543 transitions, 3305 flow. Second operand has 7 states, 7 states have (on average 242.14285714285714) internal successors, (1695), 7 states have internal predecessors, (1695), 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) [2022-12-11 22:00:37,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:37,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 317 [2022-12-11 22:00:37,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:39,179 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][299], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 192#L50-3true, thread2Thread1of1ForFork1InUse, 103#L67-7true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:39,179 INFO L382 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L385 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][300], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 34#L58-6true, thread1Thread1of1ForFork0InUse, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 192#L50-3true, thread2Thread1of1ForFork1InUse, 103#L67-7true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:39,179 INFO L382 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L385 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-12-11 22:00:39,179 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][299], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 10#L67-2true]) [2022-12-11 22:00:39,180 INFO L382 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][300], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 34#L58-6true, thread1Thread1of1ForFork0InUse, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 10#L67-2true]) [2022-12-11 22:00:39,180 INFO L382 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L385 tUnfolder$Statistics]: existing Event has 154 ancestors and is cut-off event [2022-12-11 22:00:39,180 INFO L385 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-12-11 22:00:39,182 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][299], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 90#L68-1true, thread1Thread1of1ForFork0InUse, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 192#L50-3true, thread2Thread1of1ForFork1InUse, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:39,182 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:39,182 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:39,182 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:39,182 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:39,183 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][300], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), 34#L58-6true, 90#L68-1true, thread1Thread1of1ForFork0InUse, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 192#L50-3true, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true, 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2022-12-11 22:00:39,183 INFO L382 tUnfolder$Statistics]: this new event has 199 ancestors and is cut-off event [2022-12-11 22:00:39,183 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:39,183 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:39,183 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:39,970 INFO L130 PetriNetUnfolder]: 3451/13916 cut-off events. [2022-12-11 22:00:39,971 INFO L131 PetriNetUnfolder]: For 18323/21479 co-relation queries the response was YES. [2022-12-11 22:00:40,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31910 conditions, 13916 events. 3451/13916 cut-off events. For 18323/21479 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 147904 event pairs, 1271 based on Foata normal form. 78/11361 useless extension candidates. Maximal degree in co-relation 28922. Up to 3880 conditions per place. [2022-12-11 22:00:40,089 INFO L137 encePairwiseOnDemand]: 298/317 looper letters, 79 selfloop transitions, 14 changer transitions 122/490 dead transitions. [2022-12-11 22:00:40,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 490 transitions, 3214 flow [2022-12-11 22:00:40,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-11 22:00:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-11 22:00:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2731 transitions. [2022-12-11 22:00:40,101 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7831947232578147 [2022-12-11 22:00:40,104 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 31 predicate places. [2022-12-11 22:00:40,104 INFO L82 GeneralOperation]: Start removeDead. Operand has 316 places, 490 transitions, 3214 flow [2022-12-11 22:00:40,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 368 transitions, 1823 flow [2022-12-11 22:00:40,160 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 368 transitions, 1823 flow [2022-12-11 22:00:40,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 242.14285714285714) internal successors, (1695), 7 states have internal predecessors, (1695), 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) [2022-12-11 22:00:40,161 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:40,161 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:40,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 22:00:40,162 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:40,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:40,162 INFO L85 PathProgramCache]: Analyzing trace with hash -912801734, now seen corresponding path program 1 times [2022-12-11 22:00:40,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:40,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607222350] [2022-12-11 22:00:40,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:40,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:40,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:40,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607222350] [2022-12-11 22:00:40,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607222350] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:40,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975599126] [2022-12-11 22:00:40,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:40,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 22:00:40,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 22:00:40,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-11 22:00:40,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-11 22:00:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:40,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-11 22:00:40,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 22:00:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:40,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 22:00:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:40,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975599126] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:40,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-11 22:00:40,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-12-11 22:00:40,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196149858] [2022-12-11 22:00:40,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:40,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 22:00:40,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:40,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 22:00:40,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-12-11 22:00:40,878 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 317 [2022-12-11 22:00:40,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 368 transitions, 1823 flow. Second operand has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 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) [2022-12-11 22:00:40,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:40,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 317 [2022-12-11 22:00:40,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:41,582 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][170], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 2887#(and (<= 1 ~N~0) (< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)), thread2Thread1of1ForFork1InUse, 192#L50-3true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 27#L66-5true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 202#L85-4true]) [2022-12-11 22:00:41,582 INFO L382 tUnfolder$Statistics]: this new event has 175 ancestors and is cut-off event [2022-12-11 22:00:41,582 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:41,582 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:41,583 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:41,583 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][171], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 2887#(and (<= 1 ~N~0) (< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)), thread2Thread1of1ForFork1InUse, 192#L50-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 34#L58-6true, 27#L66-5true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 202#L85-4true]) [2022-12-11 22:00:41,583 INFO L382 tUnfolder$Statistics]: this new event has 175 ancestors and is cut-off event [2022-12-11 22:00:41,583 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:41,583 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:41,583 INFO L385 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-12-11 22:00:41,607 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][168], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, thread2Thread1of1ForFork1InUse, 213#L50-4true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 27#L66-5true, 1584#(<= 1 ~N~0), 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 202#L85-4true]) [2022-12-11 22:00:41,607 INFO L382 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-12-11 22:00:41,607 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:41,607 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:41,607 INFO L385 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-12-11 22:00:41,607 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][169], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, thread2Thread1of1ForFork1InUse, 213#L50-4true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 34#L58-6true, 27#L66-5true, 1584#(<= 1 ~N~0), 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 202#L85-4true]) [2022-12-11 22:00:41,607 INFO L382 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-12-11 22:00:41,607 INFO L385 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-12-11 22:00:41,608 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:41,608 INFO L385 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2022-12-11 22:00:42,193 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][170], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 2887#(and (<= 1 ~N~0) (< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)), thread2Thread1of1ForFork1InUse, 192#L50-3true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 103#L67-7true, 202#L85-4true]) [2022-12-11 22:00:42,193 INFO L382 tUnfolder$Statistics]: this new event has 219 ancestors and is cut-off event [2022-12-11 22:00:42,193 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:42,193 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:42,193 INFO L385 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-12-11 22:00:42,193 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][171], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 2887#(and (<= 1 ~N~0) (< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)), thread2Thread1of1ForFork1InUse, 192#L50-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 34#L58-6true, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 103#L67-7true, 202#L85-4true]) [2022-12-11 22:00:42,193 INFO L382 tUnfolder$Statistics]: this new event has 219 ancestors and is cut-off event [2022-12-11 22:00:42,193 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:42,194 INFO L385 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-12-11 22:00:42,194 INFO L385 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-12-11 22:00:42,213 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][170], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 2887#(and (<= 1 ~N~0) (< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)), thread2Thread1of1ForFork1InUse, 192#L50-3true, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 90#L68-1true, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true]) [2022-12-11 22:00:42,213 INFO L382 tUnfolder$Statistics]: this new event has 223 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][171], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, 2887#(and (<= 1 ~N~0) (< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)), thread2Thread1of1ForFork1InUse, 192#L50-3true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 34#L58-6true, 90#L68-1true, 301#true, 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 202#L85-4true]) [2022-12-11 22:00:42,214 INFO L382 tUnfolder$Statistics]: this new event has 223 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L385 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-12-11 22:00:42,214 INFO L385 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-12-11 22:00:42,221 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L58-5-->L59: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][168], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, thread2Thread1of1ForFork1InUse, 66#L59true, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 1584#(<= 1 ~N~0), 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 226#L50-6true, 202#L85-4true, 258#L66-3true]) [2022-12-11 22:00:42,222 INFO L382 tUnfolder$Statistics]: this new event has 222 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L385 tUnfolder$Statistics]: existing Event has 222 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([795] L58-5-->L58-6: Formula: (not (< |v_thread2Thread1of1ForFork1_~i~1#1_5| v_~N~0_3)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_5|, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[][169], [1556#(and (< |thread3Thread1of1ForFork2_~i~2#1| ~N~0) (<= 1 ~N~0)), thread1Thread1of1ForFork0InUse, thread2Thread1of1ForFork1InUse, thread3Thread1of1ForFork2InUse, 343#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 364#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 34#L58-6true, 1584#(<= 1 ~N~0), 1565#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 301#true, 226#L50-6true, 202#L85-4true, 258#L66-3true]) [2022-12-11 22:00:42,222 INFO L382 tUnfolder$Statistics]: this new event has 222 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L385 tUnfolder$Statistics]: existing Event has 222 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:42,222 INFO L385 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2022-12-11 22:00:42,256 INFO L130 PetriNetUnfolder]: 2365/9965 cut-off events. [2022-12-11 22:00:42,257 INFO L131 PetriNetUnfolder]: For 16267/20549 co-relation queries the response was YES. [2022-12-11 22:00:42,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23730 conditions, 9965 events. 2365/9965 cut-off events. For 16267/20549 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 101212 event pairs, 558 based on Foata normal form. 146/8442 useless extension candidates. Maximal degree in co-relation 22872. Up to 2607 conditions per place. [2022-12-11 22:00:42,320 INFO L137 encePairwiseOnDemand]: 309/317 looper letters, 82 selfloop transitions, 8 changer transitions 0/326 dead transitions. [2022-12-11 22:00:42,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 326 transitions, 1790 flow [2022-12-11 22:00:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 22:00:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 22:00:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1736 transitions. [2022-12-11 22:00:42,324 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7823343848580442 [2022-12-11 22:00:42,325 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 22 predicate places. [2022-12-11 22:00:42,325 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 326 transitions, 1790 flow [2022-12-11 22:00:42,353 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 307 places, 326 transitions, 1790 flow [2022-12-11 22:00:42,353 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 326 transitions, 1790 flow [2022-12-11 22:00:42,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 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) [2022-12-11 22:00:42,354 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:42,355 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:42,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-11 22:00:42,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-11 22:00:42,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:42,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:42,561 INFO L85 PathProgramCache]: Analyzing trace with hash -769050557, now seen corresponding path program 1 times [2022-12-11 22:00:42,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:42,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206313800] [2022-12-11 22:00:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:42,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-11 22:00:42,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:42,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206313800] [2022-12-11 22:00:42,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206313800] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:42,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414960128] [2022-12-11 22:00:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:42,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 22:00:42,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 22:00:42,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-11 22:00:42,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-11 22:00:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:42,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-11 22:00:42,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 22:00:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-11 22:00:43,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 22:00:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-11 22:00:43,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414960128] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:43,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-11 22:00:43,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-12-11 22:00:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079937927] [2022-12-11 22:00:43,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 22:00:43,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 22:00:43,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:00:43,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 22:00:43,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-12-11 22:00:43,423 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 317 [2022-12-11 22:00:43,425 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 326 transitions, 1790 flow. Second operand has 7 states, 7 states have (on average 246.14285714285714) internal successors, (1723), 7 states have internal predecessors, (1723), 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) [2022-12-11 22:00:43,425 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:00:43,425 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 317 [2022-12-11 22:00:43,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 22:00:44,564 INFO L130 PetriNetUnfolder]: 2026/9721 cut-off events. [2022-12-11 22:00:44,565 INFO L131 PetriNetUnfolder]: For 18504/21472 co-relation queries the response was YES. [2022-12-11 22:00:44,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23476 conditions, 9721 events. 2026/9721 cut-off events. For 18504/21472 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 100228 event pairs, 465 based on Foata normal form. 124/8497 useless extension candidates. Maximal degree in co-relation 22534. Up to 2190 conditions per place. [2022-12-11 22:00:44,630 INFO L137 encePairwiseOnDemand]: 309/317 looper letters, 104 selfloop transitions, 10 changer transitions 0/350 dead transitions. [2022-12-11 22:00:44,630 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 350 transitions, 2346 flow [2022-12-11 22:00:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 22:00:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 22:00:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1736 transitions. [2022-12-11 22:00:44,634 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7823343848580442 [2022-12-11 22:00:44,635 INFO L295 CegarLoopForPetriNet]: 285 programPoint places, 28 predicate places. [2022-12-11 22:00:44,635 INFO L82 GeneralOperation]: Start removeDead. Operand has 313 places, 350 transitions, 2346 flow [2022-12-11 22:00:44,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 313 places, 350 transitions, 2346 flow [2022-12-11 22:00:44,668 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 350 transitions, 2346 flow [2022-12-11 22:00:44,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 246.14285714285714) internal successors, (1723), 7 states have internal predecessors, (1723), 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) [2022-12-11 22:00:44,670 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 22:00:44,670 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 22:00:44,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-11 22:00:44,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 22:00:44,871 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-11 22:00:44,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 22:00:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1231545508, now seen corresponding path program 1 times [2022-12-11 22:00:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 22:00:44,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014847117] [2022-12-11 22:00:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:44,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 22:00:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:00:49,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 22:00:49,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014847117] [2022-12-11 22:00:49,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014847117] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 22:00:49,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128795827] [2022-12-11 22:00:49,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 22:00:49,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 22:00:49,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 22:00:49,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-11 22:00:49,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-11 22:00:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 22:00:49,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 159 conjunts are in the unsatisfiable core [2022-12-11 22:00:49,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 22:00:49,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-11 22:00:49,792 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-11 22:00:49,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-11 22:00:50,136 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-11 22:00:50,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-12-11 22:00:50,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-11 22:00:51,341 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-11 22:00:51,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 37 [2022-12-11 22:00:51,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-11 22:00:52,934 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-11 22:00:52,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 33 [2022-12-11 22:00:53,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-11 22:00:53,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-11 22:00:53,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-11 22:00:54,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-11 22:00:56,858 INFO L321 Elim1Store]: treesize reduction 140, result has 24.3 percent of original size [2022-12-11 22:00:56,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 64 [2022-12-11 22:00:57,226 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-11 22:00:57,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 62 [2022-12-11 22:00:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 22:00:57,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 22:01:04,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-11 22:01:04,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-11 22:01:04,499 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-11 22:01:04,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 238 treesize of output 230 [2022-12-11 22:01:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-11 22:01:04,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128795827] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-11 22:01:04,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-11 22:01:04,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 65, 47] total 143 [2022-12-11 22:01:04,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279032947] [2022-12-11 22:01:04,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-11 22:01:04,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-12-11 22:01:04,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 22:01:04,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-12-11 22:01:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=19514, Unknown=1, NotChecked=0, Total=20306 [2022-12-11 22:01:04,696 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 317 [2022-12-11 22:01:04,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 350 transitions, 2346 flow. Second operand has 143 states, 143 states have (on average 91.4055944055944) internal successors, (13071), 143 states have internal predecessors, (13071), 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) [2022-12-11 22:01:04,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 22:01:04,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 317 [2022-12-11 22:01:04,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand