/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 10:44:11,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 10:44:11,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 10:44:11,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 10:44:11,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 10:44:11,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 10:44:11,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 10:44:11,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 10:44:11,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 10:44:11,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 10:44:11,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 10:44:11,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 10:44:11,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 10:44:11,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 10:44:11,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 10:44:11,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 10:44:11,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 10:44:11,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 10:44:11,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 10:44:11,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 10:44:11,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 10:44:11,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 10:44:11,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 10:44:11,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 10:44:11,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 10:44:11,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 10:44:11,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 10:44:11,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 10:44:11,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 10:44:11,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 10:44:11,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 10:44:11,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 10:44:11,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 10:44:11,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 10:44:11,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 10:44:11,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 10:44:11,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 10:44:11,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 10:44:11,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 10:44:11,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 10:44:11,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 10:44:11,374 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-VariableLbe.epf [2023-01-28 10:44:11,395 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 10:44:11,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 10:44:11,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 10:44:11,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 10:44:11,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 10:44:11,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 10:44:11,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 10:44:11,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 10:44:11,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 10:44:11,398 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 10:44:11,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 10:44:11,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 10:44:11,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 10:44:11,644 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 10:44:11,646 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 10:44:11,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-28 10:44:12,600 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 10:44:12,722 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 10:44:12,723 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-28 10:44:12,727 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ce0d0da/55ccab247889403abf0974e99df0c2ce/FLAG3e394ef15 [2023-01-28 10:44:12,736 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ce0d0da/55ccab247889403abf0974e99df0c2ce [2023-01-28 10:44:12,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 10:44:12,739 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 10:44:12,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 10:44:12,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 10:44:12,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 10:44:12,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2306e6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12, skipping insertion in model container [2023-01-28 10:44:12,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 10:44:12,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 10:44:12,858 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-01-28 10:44:12,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 10:44:12,871 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 10:44:12,887 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-01-28 10:44:12,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 10:44:12,895 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 10:44:12,895 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 10:44:12,900 INFO L208 MainTranslator]: Completed translation [2023-01-28 10:44:12,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12 WrapperNode [2023-01-28 10:44:12,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 10:44:12,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 10:44:12,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 10:44:12,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 10:44:12,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,930 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 284 [2023-01-28 10:44:12,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 10:44:12,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 10:44:12,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 10:44:12,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 10:44:12,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,951 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 10:44:12,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 10:44:12,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 10:44:12,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 10:44:12,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (1/1) ... [2023-01-28 10:44:12,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 10:44:12,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:44:12,984 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) [2023-01-28 10:44:12,998 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 [2023-01-28 10:44:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 10:44:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 10:44:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 10:44:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 10:44:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 10:44:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 10:44:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 10:44:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 10:44:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 10:44:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 10:44:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 10:44:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 10:44:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 10:44:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 10:44:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 10:44:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 10:44:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 10:44:13,080 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 10:44:13,205 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 10:44:13,207 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 10:44:13,571 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 10:44:13,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 10:44:13,695 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-01-28 10:44:13,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:44:13 BoogieIcfgContainer [2023-01-28 10:44:13,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 10:44:13,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 10:44:13,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 10:44:13,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 10:44:13,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:44:12" (1/3) ... [2023-01-28 10:44:13,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f65c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:44:13, skipping insertion in model container [2023-01-28 10:44:13,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:12" (2/3) ... [2023-01-28 10:44:13,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f65c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:44:13, skipping insertion in model container [2023-01-28 10:44:13,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:44:13" (3/3) ... [2023-01-28 10:44:13,702 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-01-28 10:44:13,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 10:44:13,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 10:44:13,714 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 10:44:13,757 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-28 10:44:13,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 183 transitions, 390 flow [2023-01-28 10:44:13,862 INFO L130 PetriNetUnfolder]: 16/180 cut-off events. [2023-01-28 10:44:13,862 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 10:44:13,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 180 events. 16/180 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 112 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 143. Up to 2 conditions per place. [2023-01-28 10:44:13,867 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 183 transitions, 390 flow [2023-01-28 10:44:13,870 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 170 transitions, 358 flow [2023-01-28 10:44:13,872 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 10:44:13,883 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 170 transitions, 358 flow [2023-01-28 10:44:13,886 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 170 transitions, 358 flow [2023-01-28 10:44:13,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 170 transitions, 358 flow [2023-01-28 10:44:13,926 INFO L130 PetriNetUnfolder]: 16/170 cut-off events. [2023-01-28 10:44:13,926 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 10:44:13,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 170 events. 16/170 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 111 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 143. Up to 2 conditions per place. [2023-01-28 10:44:13,929 INFO L119 LiptonReduction]: Number of co-enabled transitions 1518 [2023-01-28 10:44:18,546 INFO L134 LiptonReduction]: Checked pairs total: 2268 [2023-01-28 10:44:18,546 INFO L136 LiptonReduction]: Total number of compositions: 170 [2023-01-28 10:44:18,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 10:44:18,571 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;@9f4b939, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 10:44:18,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 10:44:18,582 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2023-01-28 10:44:18,583 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 10:44:18,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:44:18,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:44:18,584 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)] === [2023-01-28 10:44:18,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:44:18,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2134572771, now seen corresponding path program 1 times [2023-01-28 10:44:18,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:44:18,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403162055] [2023-01-28 10:44:18,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:44:18,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:44:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:44:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:44:19,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:44:19,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403162055] [2023-01-28 10:44:19,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403162055] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 10:44:19,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 10:44:19,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 10:44:19,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653902319] [2023-01-28 10:44:19,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 10:44:19,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-28 10:44:19,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:44:19,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-28 10:44:19,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-28 10:44:19,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 353 [2023-01-28 10:44:19,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2023-01-28 10:44:19,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:44:19,104 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 353 [2023-01-28 10:44:19,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:44:19,226 INFO L130 PetriNetUnfolder]: 531/736 cut-off events. [2023-01-28 10:44:19,227 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2023-01-28 10:44:19,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1531 conditions, 736 events. 531/736 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2525 event pairs, 185 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 1182. Up to 438 conditions per place. [2023-01-28 10:44:19,231 INFO L137 encePairwiseOnDemand]: 348/353 looper letters, 33 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2023-01-28 10:44:19,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 176 flow [2023-01-28 10:44:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 10:44:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 10:44:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 622 transitions. [2023-01-28 10:44:19,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4405099150141643 [2023-01-28 10:44:19,257 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 622 transitions. [2023-01-28 10:44:19,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 622 transitions. [2023-01-28 10:44:19,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:44:19,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 622 transitions. [2023-01-28 10:44:19,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 155.5) internal successors, (622), 4 states have internal predecessors, (622), 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) [2023-01-28 10:44:19,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 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) [2023-01-28 10:44:19,270 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 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) [2023-01-28 10:44:19,271 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 74 flow. Second operand 4 states and 622 transitions. [2023-01-28 10:44:19,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 176 flow [2023-01-28 10:44:19,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 160 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-01-28 10:44:19,275 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 83 flow [2023-01-28 10:44:19,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2023-01-28 10:44:19,290 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2023-01-28 10:44:19,290 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 83 flow [2023-01-28 10:44:19,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2023-01-28 10:44:19,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:44:19,291 INFO L208 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] [2023-01-28 10:44:19,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 10:44:19,292 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)] === [2023-01-28 10:44:19,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:44:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1985121884, now seen corresponding path program 1 times [2023-01-28 10:44:19,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:44:19,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719871803] [2023-01-28 10:44:19,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:44:19,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:44:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:44:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:44:19,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:44:19,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719871803] [2023-01-28 10:44:19,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719871803] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 10:44:19,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 10:44:19,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-28 10:44:19,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742410748] [2023-01-28 10:44:19,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 10:44:19,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-28 10:44:19,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:44:19,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-28 10:44:19,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-28 10:44:19,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 353 [2023-01-28 10:44:19,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 83 flow. Second operand has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 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) [2023-01-28 10:44:19,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:44:19,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 353 [2023-01-28 10:44:19,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:44:19,609 INFO L130 PetriNetUnfolder]: 532/741 cut-off events. [2023-01-28 10:44:19,609 INFO L131 PetriNetUnfolder]: For 185/185 co-relation queries the response was YES. [2023-01-28 10:44:19,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 741 events. 532/741 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2519 event pairs, 247 based on Foata normal form. 3/556 useless extension candidates. Maximal degree in co-relation 399. Up to 603 conditions per place. [2023-01-28 10:44:19,614 INFO L137 encePairwiseOnDemand]: 347/353 looper letters, 34 selfloop transitions, 5 changer transitions 3/44 dead transitions. [2023-01-28 10:44:19,614 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 199 flow [2023-01-28 10:44:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-28 10:44:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-01-28 10:44:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 788 transitions. [2023-01-28 10:44:19,618 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3720491029272899 [2023-01-28 10:44:19,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 788 transitions. [2023-01-28 10:44:19,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 788 transitions. [2023-01-28 10:44:19,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:44:19,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 788 transitions. [2023-01-28 10:44:19,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.33333333333334) internal successors, (788), 6 states have internal predecessors, (788), 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) [2023-01-28 10:44:19,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2023-01-28 10:44:19,626 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2023-01-28 10:44:19,626 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 83 flow. Second operand 6 states and 788 transitions. [2023-01-28 10:44:19,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 199 flow [2023-01-28 10:44:19,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 195 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-28 10:44:19,629 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 109 flow [2023-01-28 10:44:19,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2023-01-28 10:44:19,630 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2023-01-28 10:44:19,630 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 109 flow [2023-01-28 10:44:19,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 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) [2023-01-28 10:44:19,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:44:19,631 INFO L208 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] [2023-01-28 10:44:19,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 10:44:19,631 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)] === [2023-01-28 10:44:19,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:44:19,634 INFO L85 PathProgramCache]: Analyzing trace with hash 963886311, now seen corresponding path program 1 times [2023-01-28 10:44:19,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:44:19,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108380836] [2023-01-28 10:44:19,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:44:19,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:44:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:44:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:44:19,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:44:19,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108380836] [2023-01-28 10:44:19,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108380836] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:44:19,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697201090] [2023-01-28 10:44:19,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:44:19,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:44:19,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:44:19,769 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) [2023-01-28 10:44:19,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-01-28 10:44:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:44:19,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-28 10:44:19,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:44:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:44:19,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:44:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:44:19,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697201090] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-28 10:44:19,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-28 10:44:19,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-01-28 10:44:19,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360252184] [2023-01-28 10:44:19,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 10:44:19,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-28 10:44:19,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:44:19,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-28 10:44:19,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-01-28 10:44:19,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-28 10:44:19,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 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) [2023-01-28 10:44:19,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:44:19,921 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-28 10:44:19,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:44:20,014 INFO L130 PetriNetUnfolder]: 508/732 cut-off events. [2023-01-28 10:44:20,014 INFO L131 PetriNetUnfolder]: For 179/215 co-relation queries the response was YES. [2023-01-28 10:44:20,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1756 conditions, 732 events. 508/732 cut-off events. For 179/215 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2634 event pairs, 249 based on Foata normal form. 36/620 useless extension candidates. Maximal degree in co-relation 1721. Up to 571 conditions per place. [2023-01-28 10:44:20,018 INFO L137 encePairwiseOnDemand]: 348/353 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-01-28 10:44:20,018 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 44 transitions, 233 flow [2023-01-28 10:44:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-28 10:44:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-01-28 10:44:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 680 transitions. [2023-01-28 10:44:20,020 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38526912181303113 [2023-01-28 10:44:20,020 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 680 transitions. [2023-01-28 10:44:20,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 680 transitions. [2023-01-28 10:44:20,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:44:20,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 680 transitions. [2023-01-28 10:44:20,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2023-01-28 10:44:20,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 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) [2023-01-28 10:44:20,024 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 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) [2023-01-28 10:44:20,024 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 109 flow. Second operand 5 states and 680 transitions. [2023-01-28 10:44:20,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 44 transitions, 233 flow [2023-01-28 10:44:20,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 227 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-01-28 10:44:20,027 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 119 flow [2023-01-28 10:44:20,027 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=119, PETRI_PLACES=39, PETRI_TRANSITIONS=32} [2023-01-28 10:44:20,027 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-01-28 10:44:20,027 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 119 flow [2023-01-28 10:44:20,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 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) [2023-01-28 10:44:20,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:44:20,028 INFO L208 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] [2023-01-28 10:44:20,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-01-28 10:44:20,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:44:20,234 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)] === [2023-01-28 10:44:20,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:44:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1831077328, now seen corresponding path program 1 times [2023-01-28 10:44:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:44:20,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959674182] [2023-01-28 10:44:20,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:44:20,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:44:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:44:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:44:21,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:44:21,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959674182] [2023-01-28 10:44:21,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959674182] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:44:21,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724907568] [2023-01-28 10:44:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:44:21,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:44:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:44:21,853 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) [2023-01-28 10:44:21,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-28 10:44:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:44:21,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 81 conjunts are in the unsatisfiable core [2023-01-28 10:44:21,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:44:22,155 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 11 treesize of output 7 [2023-01-28 10:44:22,235 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 [2023-01-28 10:44:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 10:44:22,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 10:44:22,483 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-01-28 10:44:22,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-01-28 10:44:22,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 10:44:22,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 10:44:22,608 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-01-28 10:44:22,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-01-28 10:44:22,739 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:44:22,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:44:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:44:22,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:44:23,110 WARN L839 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_153 (Array Int Int)) (v_ArrVal_152 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (<= c_~N~0 ~M~0) (= (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_152) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_153)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)))) c_~res1~0))) is different from false [2023-01-28 10:44:23,537 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:44:23,537 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 70 [2023-01-28 10:44:23,628 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:44:23,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 614390 treesize of output 516154 [2023-01-28 10:44:24,041 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:44:24,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2006 treesize of output 1822 [2023-01-28 10:44:24,076 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:44:24,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1814 treesize of output 1438 [2023-01-28 10:44:24,139 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:44:24,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1430 treesize of output 1262 [2023-01-28 10:44:32,664 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:34,179 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:34,873 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:34,962 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:35,241 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:35,501 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:35,649 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:35,770 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:35,820 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:35,874 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:36,077 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:36,451 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:36,666 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:37,030 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:37,893 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:38,098 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:38,325 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:38,418 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:38,585 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:38,996 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:39,045 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:39,140 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:39,300 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:39,343 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:39,459 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:39,513 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:39,561 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:39,635 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:39,846 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:40,481 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:40,571 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:40,622 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:40,669 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:40,676 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:41,182 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:41,208 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:41,274 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:41,320 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:43,330 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:43,443 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:43,458 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:43,766 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:43,779 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:43,956 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:43,990 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:44,608 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:44,948 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:45,394 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:45,615 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:45,630 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:45,780 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:46,485 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:46,509 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:46,662 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:46,889 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:46,902 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:47,062 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:47,419 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:47,697 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:47,769 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:48,707 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:49,582 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:50,354 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:44:51,958 WARN L718 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2023-01-28 10:44:52,157 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:52,847 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:44:53,074 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:53,133 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:53,465 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:53,515 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:53,567 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:53,581 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:53,955 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:54,157 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:54,490 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:54,653 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:55,099 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:55,175 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:55,260 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:55,424 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:55,685 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:56,257 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:56,362 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:56,412 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:56,663 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:56,747 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:56,801 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:56,868 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:57,014 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:57,088 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:57,458 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:57,512 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:57,598 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:57,675 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:44:58,053 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:58,115 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:58,147 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:58,212 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:58,511 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:44:58,531 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:58,843 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:58,903 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:44:58,959 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:59,243 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:44:59,418 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:44:59,642 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:59,760 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:44:59,775 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:44:59,965 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:00,138 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:00,228 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:45:00,246 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:00,950 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:01,662 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:02,005 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:02,296 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:02,330 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:02,639 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:02,809 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:02,948 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:03,032 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:03,196 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:03,234 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:03,307 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:03,401 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:03,497 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:03,646 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:03,719 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:03,785 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:03,886 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:04,048 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:04,139 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:04,266 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:04,475 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:04,515 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:04,582 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:04,633 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:05,051 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:05,073 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:05,086 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:05,324 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:05,351 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:05,376 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:05,397 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:05,414 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:05,769 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:05,810 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:05,880 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:05,933 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:06,079 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:06,185 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:06,214 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:06,236 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:06,368 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:06,634 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:06,761 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:06,831 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,003 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:07,054 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,097 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:07,112 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,233 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,390 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:07,471 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,592 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:07,624 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,774 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:07,926 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:07,943 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:08,277 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:08,321 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:08,397 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:08,447 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:08,531 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:08,574 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:08,616 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:08,630 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:08,654 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:08,703 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:08,716 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:08,922 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:09,019 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:09,155 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:09,321 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:09,601 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:09,874 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:09,929 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:09,964 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:10,029 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:10,250 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:10,365 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:10,429 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:10,478 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:10,598 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:10,735 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:10,751 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:10,871 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:11,004 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:11,091 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:11,171 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:11,266 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,345 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:11,369 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,397 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,420 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:11,462 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,474 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:11,513 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:11,524 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:11,532 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:11,587 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,600 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:11,624 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:11,651 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:11,854 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,931 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:11,952 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:11,982 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:12,048 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:12,069 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:12,225 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:12,241 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:12,686 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:12,750 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:12,762 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:12,792 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:12,829 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:13,213 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,310 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,373 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:13,386 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,449 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:13,462 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,561 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,573 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:13,638 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:13,661 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,674 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:13,708 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:13,821 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:13,855 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:13,872 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:13,889 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:13,984 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:14,009 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:14,027 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:14,044 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:14,723 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:14,765 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:15,095 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:15,152 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:16,137 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:16,577 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:17,040 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:17,102 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:17,213 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:17,461 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:17,550 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:17,618 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:17,814 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:17,854 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:17,962 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:18,091 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:18,219 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:18,294 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:18,581 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:18,645 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:18,783 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:18,910 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:18,924 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:19,099 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:19,173 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:19,293 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:19,344 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:19,395 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:19,458 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:19,536 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:19,547 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:19,567 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:19,585 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:19,807 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:19,963 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:20,060 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:20,603 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:20,938 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:20,954 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:21,320 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:21,420 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:22,099 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:45:22,219 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:22,474 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:22,769 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:23,100 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:23,147 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:23,270 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:23,413 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:23,427 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:23,555 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:23,715 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:23,878 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:24,064 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:24,207 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:24,221 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:24,569 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:24,607 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:24,618 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:24,754 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:24,806 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:25,112 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:25,270 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:25,377 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:25,442 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:25,619 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:26,079 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:26,552 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:26,579 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:26,648 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:26,699 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:28,516 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:30,866 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:31,936 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:32,352 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:32,398 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:32,652 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:32,811 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:32,827 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:32,850 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:32,954 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:33,001 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:33,029 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:34,142 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:34,481 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:34,500 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:34,552 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:34,574 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:34,864 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:34,931 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:34,969 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:34,977 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:43,406 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:44,416 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:44,561 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:45,095 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:45,149 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:45,421 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:45,499 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:46,235 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:47,057 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:47,768 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:45:49,477 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:50,054 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:50,519 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:50,644 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:50,665 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:50,796 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:51,232 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:51,417 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:51,451 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:51,905 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:51,938 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:51,958 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:52,062 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:52,124 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:52,442 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:52,510 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:52,817 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:53,138 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:53,463 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:53,644 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:54,060 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:54,080 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:54,668 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:54,773 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:55,056 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:55,072 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:55,577 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:55,596 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:55,741 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:56,498 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:56,650 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:45:56,722 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:45:57,614 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:58,042 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:45:59,238 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:45:59,265 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:45:59,441 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:45:59,743 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:45:59,844 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:00,220 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:00,920 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:46:01,978 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:01,991 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:02,010 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:02,063 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:02,086 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:02,106 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:02,450 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:02,468 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:02,485 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:02,494 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:02,623 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:02,643 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:02,666 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:02,803 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:02,927 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:03,058 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:03,124 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:03,155 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:04,169 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:04,352 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:04,521 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:05,273 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:05,755 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:05,846 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:06,196 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:06,233 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:06,380 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:07,010 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:07,451 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:46:10,462 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:10,630 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:10,975 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:11,060 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:11,200 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:11,315 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:12,163 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:12,308 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:13,862 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:14,094 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:18,308 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:21,262 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:21,473 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:25,603 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:26,073 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:26,130 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:26,423 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:26,567 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:26,587 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:26,615 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:26,765 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:26,817 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:26,848 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:27,704 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:28,190 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:28,248 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:28,280 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:28,289 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:29,690 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:29,732 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:30,002 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:30,135 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:30,154 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:30,181 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:30,321 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:30,374 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:30,406 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:31,316 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:31,362 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:31,661 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:32,012 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:32,029 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:32,103 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:32,125 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:32,345 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:32,403 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:32,436 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:32,445 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:35,884 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:36,395 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:36,425 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:37,587 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:37,614 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:37,639 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:37,672 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:37,704 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:37,721 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:37,742 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:38,141 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:38,156 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:38,249 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:38,315 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:38,379 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:38,559 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:39,333 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:39,360 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:40,279 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:40,352 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:40,633 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:40,649 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:40,668 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:40,698 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:40,821 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:40,940 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:41,430 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:47,682 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:49,102 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:49,653 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:49,862 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:50,020 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:50,292 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:50,686 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:51,125 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:51,710 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:51,766 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:51,833 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:52,010 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:52,118 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:52,131 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:52,150 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:52,190 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:52,314 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:52,330 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:52,362 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:52,396 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:52,417 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:52,459 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:52,485 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:46:52,631 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:46:53,838 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:56,137 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:46:57,375 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:46:57,395 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:57,700 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:58,081 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 10:46:58,101 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:58,736 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:59,623 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:59,737 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:46:59,860 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:46:59,931 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:46:59,959 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:46:59,987 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:00,348 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:00,384 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:00,536 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:00,575 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:01,878 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:47:02,713 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:47:03,310 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:47:03,679 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:03,715 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:03,871 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:03,905 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:04,444 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:47:04,468 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:47:04,527 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:47:04,592 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:47:04,621 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:47:04,741 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:47:04,926 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:05,276 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:47:05,870 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:47:06,323 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 10:47:06,864 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 10:47:07,932 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:47:08,907 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:09,068 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:09,270 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:10,155 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:10,209 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:47:10,233 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 10:47:10,260 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 10:47:10,818 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:11,524 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:11,641 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:11,678 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:11,777 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:11,792 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:12,031 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:12,082 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 10:47:12,223 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:12,272 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:12,384 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 10:47:14,592 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:24,260 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:24,801 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 10:47:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:47:55,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724907568] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:47:55,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:47:55,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 13] total 35 [2023-01-28 10:47:55,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922768942] [2023-01-28 10:47:55,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:47:55,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-01-28 10:47:55,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:47:55,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-01-28 10:47:55,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1087, Unknown=39, NotChecked=68, Total=1332 [2023-01-28 10:47:55,141 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-28 10:47:55,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 119 flow. Second operand has 37 states, 37 states have (on average 83.70270270270271) internal successors, (3097), 37 states have internal predecessors, (3097), 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) [2023-01-28 10:47:55,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:47:55,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-28 10:47:55,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:47:58,283 INFO L130 PetriNetUnfolder]: 2209/3256 cut-off events. [2023-01-28 10:47:58,283 INFO L131 PetriNetUnfolder]: For 1486/1486 co-relation queries the response was YES. [2023-01-28 10:47:58,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8767 conditions, 3256 events. 2209/3256 cut-off events. For 1486/1486 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15116 event pairs, 48 based on Foata normal form. 2/2758 useless extension candidates. Maximal degree in co-relation 6027. Up to 1223 conditions per place. [2023-01-28 10:47:58,296 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 238 selfloop transitions, 101 changer transitions 9/348 dead transitions. [2023-01-28 10:47:58,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 348 transitions, 1765 flow [2023-01-28 10:47:58,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-01-28 10:47:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-01-28 10:47:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 3296 transitions. [2023-01-28 10:47:58,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25936418004406675 [2023-01-28 10:47:58,304 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 3296 transitions. [2023-01-28 10:47:58,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 3296 transitions. [2023-01-28 10:47:58,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:47:58,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 3296 transitions. [2023-01-28 10:47:58,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 91.55555555555556) internal successors, (3296), 36 states have internal predecessors, (3296), 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) [2023-01-28 10:47:58,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 353.0) internal successors, (13061), 37 states have internal predecessors, (13061), 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) [2023-01-28 10:47:58,322 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 353.0) internal successors, (13061), 37 states have internal predecessors, (13061), 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) [2023-01-28 10:47:58,322 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 119 flow. Second operand 36 states and 3296 transitions. [2023-01-28 10:47:58,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 348 transitions, 1765 flow [2023-01-28 10:47:58,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 348 transitions, 1737 flow, removed 7 selfloop flow, removed 2 redundant places. [2023-01-28 10:47:58,329 INFO L231 Difference]: Finished difference. Result has 89 places, 131 transitions, 856 flow [2023-01-28 10:47:58,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=856, PETRI_PLACES=89, PETRI_TRANSITIONS=131} [2023-01-28 10:47:58,330 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 56 predicate places. [2023-01-28 10:47:58,330 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 131 transitions, 856 flow [2023-01-28 10:47:58,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 83.70270270270271) internal successors, (3097), 37 states have internal predecessors, (3097), 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) [2023-01-28 10:47:58,331 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:47:58,331 INFO L208 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] [2023-01-28 10:47:58,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-28 10:47:58,536 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,SelfDestructingSolverStorable3 [2023-01-28 10:47:58,536 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)] === [2023-01-28 10:47:58,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:47:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash 550186672, now seen corresponding path program 2 times [2023-01-28 10:47:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:47:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438330321] [2023-01-28 10:47:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:47:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:47:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:47:59,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:47:59,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:47:59,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438330321] [2023-01-28 10:47:59,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438330321] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:47:59,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350381270] [2023-01-28 10:47:59,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 10:47:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:47:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:47:59,699 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) [2023-01-28 10:47:59,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-28 10:47:59,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:47:59,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:47:59,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 58 conjunts are in the unsatisfiable core [2023-01-28 10:47:59,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:00,073 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:48:00,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:48:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:48:00,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:00,220 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:00,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 10:48:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:48:00,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350381270] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:00,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:00,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 8] total 30 [2023-01-28 10:48:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706462969] [2023-01-28 10:48:00,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:00,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 10:48:00,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 10:48:00,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2023-01-28 10:48:00,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-28 10:48:00,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 131 transitions, 856 flow. Second operand has 32 states, 32 states have (on average 84.09375) internal successors, (2691), 32 states have internal predecessors, (2691), 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) [2023-01-28 10:48:00,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:00,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-28 10:48:00,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:02,263 INFO L130 PetriNetUnfolder]: 2579/3907 cut-off events. [2023-01-28 10:48:02,264 INFO L131 PetriNetUnfolder]: For 9109/9109 co-relation queries the response was YES. [2023-01-28 10:48:02,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15132 conditions, 3907 events. 2579/3907 cut-off events. For 9109/9109 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 19488 event pairs, 244 based on Foata normal form. 3/3910 useless extension candidates. Maximal degree in co-relation 15030. Up to 2645 conditions per place. [2023-01-28 10:48:02,288 INFO L137 encePairwiseOnDemand]: 337/353 looper letters, 172 selfloop transitions, 142 changer transitions 19/333 dead transitions. [2023-01-28 10:48:02,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 333 transitions, 2624 flow [2023-01-28 10:48:02,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-01-28 10:48:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2023-01-28 10:48:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2058 transitions. [2023-01-28 10:48:02,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2534794925483434 [2023-01-28 10:48:02,293 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2058 transitions. [2023-01-28 10:48:02,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2058 transitions. [2023-01-28 10:48:02,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:02,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2058 transitions. [2023-01-28 10:48:02,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 89.47826086956522) internal successors, (2058), 23 states have internal predecessors, (2058), 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) [2023-01-28 10:48:02,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 353.0) internal successors, (8472), 24 states have internal predecessors, (8472), 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) [2023-01-28 10:48:02,303 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 353.0) internal successors, (8472), 24 states have internal predecessors, (8472), 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) [2023-01-28 10:48:02,303 INFO L175 Difference]: Start difference. First operand has 89 places, 131 transitions, 856 flow. Second operand 23 states and 2058 transitions. [2023-01-28 10:48:02,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 333 transitions, 2624 flow [2023-01-28 10:48:02,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 333 transitions, 2592 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-01-28 10:48:02,354 INFO L231 Difference]: Finished difference. Result has 120 places, 223 transitions, 2088 flow [2023-01-28 10:48:02,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2088, PETRI_PLACES=120, PETRI_TRANSITIONS=223} [2023-01-28 10:48:02,355 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-01-28 10:48:02,355 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 223 transitions, 2088 flow [2023-01-28 10:48:02,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 84.09375) internal successors, (2691), 32 states have internal predecessors, (2691), 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) [2023-01-28 10:48:02,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:48:02,356 INFO L208 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] [2023-01-28 10:48:02,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-28 10:48:02,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:02,561 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)] === [2023-01-28 10:48:02,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:48:02,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1216314062, now seen corresponding path program 3 times [2023-01-28 10:48:02,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:48:02,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744457180] [2023-01-28 10:48:02,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:48:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:48:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:03,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:48:03,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744457180] [2023-01-28 10:48:03,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744457180] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:48:03,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003862323] [2023-01-28 10:48:03,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 10:48:03,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:03,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:48:03,204 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) [2023-01-28 10:48:03,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-28 10:48:03,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-28 10:48:03,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:48:03,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 10:48:03,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:03,619 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:48:03,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:48:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:03,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:03,785 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:03,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 10:48:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:04,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003862323] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:04,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:04,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2023-01-28 10:48:04,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678290628] [2023-01-28 10:48:04,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:04,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-01-28 10:48:04,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:04,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-01-28 10:48:04,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2023-01-28 10:48:04,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 353 [2023-01-28 10:48:04,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 223 transitions, 2088 flow. Second operand has 23 states, 23 states have (on average 105.21739130434783) internal successors, (2420), 23 states have internal predecessors, (2420), 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) [2023-01-28 10:48:04,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:04,114 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 353 [2023-01-28 10:48:04,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:05,892 INFO L130 PetriNetUnfolder]: 3615/5472 cut-off events. [2023-01-28 10:48:05,892 INFO L131 PetriNetUnfolder]: For 22962/23122 co-relation queries the response was YES. [2023-01-28 10:48:05,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25460 conditions, 5472 events. 3615/5472 cut-off events. For 22962/23122 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 30023 event pairs, 274 based on Foata normal form. 76/5496 useless extension candidates. Maximal degree in co-relation 25397. Up to 3022 conditions per place. [2023-01-28 10:48:05,938 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 226 selfloop transitions, 290 changer transitions 6/528 dead transitions. [2023-01-28 10:48:05,938 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 528 transitions, 5269 flow [2023-01-28 10:48:05,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-28 10:48:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-01-28 10:48:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3772 transitions. [2023-01-28 10:48:05,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3142809531744709 [2023-01-28 10:48:05,944 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3772 transitions. [2023-01-28 10:48:05,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3772 transitions. [2023-01-28 10:48:05,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:05,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3772 transitions. [2023-01-28 10:48:05,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 110.94117647058823) internal successors, (3772), 34 states have internal predecessors, (3772), 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) [2023-01-28 10:48:05,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 10:48:05,961 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 10:48:05,961 INFO L175 Difference]: Start difference. First operand has 120 places, 223 transitions, 2088 flow. Second operand 34 states and 3772 transitions. [2023-01-28 10:48:05,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 528 transitions, 5269 flow [2023-01-28 10:48:06,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 528 transitions, 5077 flow, removed 89 selfloop flow, removed 5 redundant places. [2023-01-28 10:48:06,115 INFO L231 Difference]: Finished difference. Result has 153 places, 371 transitions, 4141 flow [2023-01-28 10:48:06,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=2027, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=4141, PETRI_PLACES=153, PETRI_TRANSITIONS=371} [2023-01-28 10:48:06,115 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 120 predicate places. [2023-01-28 10:48:06,116 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 371 transitions, 4141 flow [2023-01-28 10:48:06,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 105.21739130434783) internal successors, (2420), 23 states have internal predecessors, (2420), 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) [2023-01-28 10:48:06,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:48:06,117 INFO L208 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] [2023-01-28 10:48:06,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-28 10:48:06,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:06,322 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)] === [2023-01-28 10:48:06,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:48:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552732, now seen corresponding path program 4 times [2023-01-28 10:48:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:48:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370457196] [2023-01-28 10:48:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:48:06,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:48:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:48:07,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:48:07,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370457196] [2023-01-28 10:48:07,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370457196] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:48:07,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53345685] [2023-01-28 10:48:07,299 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 10:48:07,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:48:07,301 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:48:07,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-28 10:48:07,388 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 10:48:07,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:48:07,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 60 conjunts are in the unsatisfiable core [2023-01-28 10:48:07,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:07,666 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:48:07,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:48:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:48:07,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:07,859 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:07,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 10:48:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:48:08,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53345685] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:08,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:08,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 8] total 29 [2023-01-28 10:48:08,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300205713] [2023-01-28 10:48:08,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:08,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-01-28 10:48:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:08,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-01-28 10:48:08,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2023-01-28 10:48:08,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:48:08,073 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 371 transitions, 4141 flow. Second operand has 31 states, 31 states have (on average 87.16129032258064) internal successors, (2702), 31 states have internal predecessors, (2702), 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) [2023-01-28 10:48:08,073 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:08,073 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:48:08,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:13,865 INFO L130 PetriNetUnfolder]: 6340/9484 cut-off events. [2023-01-28 10:48:13,865 INFO L131 PetriNetUnfolder]: For 50871/50871 co-relation queries the response was YES. [2023-01-28 10:48:13,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49984 conditions, 9484 events. 6340/9484 cut-off events. For 50871/50871 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 54542 event pairs, 531 based on Foata normal form. 3/9487 useless extension candidates. Maximal degree in co-relation 49823. Up to 5166 conditions per place. [2023-01-28 10:48:13,982 INFO L137 encePairwiseOnDemand]: 335/353 looper letters, 465 selfloop transitions, 718 changer transitions 10/1193 dead transitions. [2023-01-28 10:48:13,982 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 1193 transitions, 13522 flow [2023-01-28 10:48:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-28 10:48:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2023-01-28 10:48:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 6923 transitions. [2023-01-28 10:48:13,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26149197355996223 [2023-01-28 10:48:13,991 INFO L72 ComplementDD]: Start complementDD. Operand 75 states and 6923 transitions. [2023-01-28 10:48:13,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 6923 transitions. [2023-01-28 10:48:13,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:13,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 75 states and 6923 transitions. [2023-01-28 10:48:14,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 76 states, 75 states have (on average 92.30666666666667) internal successors, (6923), 75 states have internal predecessors, (6923), 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) [2023-01-28 10:48:14,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 76 states, 76 states have (on average 353.0) internal successors, (26828), 76 states have internal predecessors, (26828), 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) [2023-01-28 10:48:14,033 INFO L81 ComplementDD]: Finished complementDD. Result has 76 states, 76 states have (on average 353.0) internal successors, (26828), 76 states have internal predecessors, (26828), 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) [2023-01-28 10:48:14,033 INFO L175 Difference]: Start difference. First operand has 153 places, 371 transitions, 4141 flow. Second operand 75 states and 6923 transitions. [2023-01-28 10:48:14,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 1193 transitions, 13522 flow [2023-01-28 10:48:14,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 1193 transitions, 13069 flow, removed 105 selfloop flow, removed 11 redundant places. [2023-01-28 10:48:14,458 INFO L231 Difference]: Finished difference. Result has 236 places, 906 transitions, 11904 flow [2023-01-28 10:48:14,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=3972, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=75, PETRI_FLOW=11904, PETRI_PLACES=236, PETRI_TRANSITIONS=906} [2023-01-28 10:48:14,459 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 203 predicate places. [2023-01-28 10:48:14,459 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 906 transitions, 11904 flow [2023-01-28 10:48:14,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 87.16129032258064) internal successors, (2702), 31 states have internal predecessors, (2702), 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) [2023-01-28 10:48:14,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:48:14,460 INFO L208 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] [2023-01-28 10:48:14,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-28 10:48:14,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:14,664 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)] === [2023-01-28 10:48:14,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:48:14,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1850509082, now seen corresponding path program 5 times [2023-01-28 10:48:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:48:14,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389122299] [2023-01-28 10:48:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:48:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:48:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:48:15,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:48:15,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389122299] [2023-01-28 10:48:15,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389122299] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:48:15,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94260656] [2023-01-28 10:48:15,628 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 10:48:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:48:15,629 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:48:15,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-01-28 10:48:15,719 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-01-28 10:48:15,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:48:15,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 59 conjunts are in the unsatisfiable core [2023-01-28 10:48:15,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:15,950 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:48:15,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:48:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:48:16,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:16,166 INFO L321 Elim1Store]: treesize reduction 57, result has 26.0 percent of original size [2023-01-28 10:48:16,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 29 [2023-01-28 10:48:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:48:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94260656] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:16,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:16,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 6] total 27 [2023-01-28 10:48:16,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892834726] [2023-01-28 10:48:16,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:16,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-28 10:48:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:16,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-28 10:48:16,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2023-01-28 10:48:16,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-28 10:48:16,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 906 transitions, 11904 flow. Second operand has 29 states, 29 states have (on average 84.24137931034483) internal successors, (2443), 29 states have internal predecessors, (2443), 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) [2023-01-28 10:48:16,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:16,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-28 10:48:16,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:20,823 INFO L130 PetriNetUnfolder]: 8536/13011 cut-off events. [2023-01-28 10:48:20,823 INFO L131 PetriNetUnfolder]: For 129646/129646 co-relation queries the response was YES. [2023-01-28 10:48:20,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82969 conditions, 13011 events. 8536/13011 cut-off events. For 129646/129646 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 81919 event pairs, 296 based on Foata normal form. 4/13015 useless extension candidates. Maximal degree in co-relation 82689. Up to 4915 conditions per place. [2023-01-28 10:48:20,948 INFO L137 encePairwiseOnDemand]: 334/353 looper letters, 575 selfloop transitions, 1056 changer transitions 28/1659 dead transitions. [2023-01-28 10:48:20,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 1659 transitions, 23226 flow [2023-01-28 10:48:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-01-28 10:48:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-01-28 10:48:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 4210 transitions. [2023-01-28 10:48:20,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25375203423542886 [2023-01-28 10:48:20,953 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 4210 transitions. [2023-01-28 10:48:20,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 4210 transitions. [2023-01-28 10:48:20,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:20,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 4210 transitions. [2023-01-28 10:48:20,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 89.57446808510639) internal successors, (4210), 47 states have internal predecessors, (4210), 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) [2023-01-28 10:48:20,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 353.0) internal successors, (16944), 48 states have internal predecessors, (16944), 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) [2023-01-28 10:48:20,966 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 353.0) internal successors, (16944), 48 states have internal predecessors, (16944), 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) [2023-01-28 10:48:20,966 INFO L175 Difference]: Start difference. First operand has 236 places, 906 transitions, 11904 flow. Second operand 47 states and 4210 transitions. [2023-01-28 10:48:20,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 1659 transitions, 23226 flow [2023-01-28 10:48:22,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 1659 transitions, 22531 flow, removed 333 selfloop flow, removed 5 redundant places. [2023-01-28 10:48:22,410 INFO L231 Difference]: Finished difference. Result has 291 places, 1369 transitions, 20857 flow [2023-01-28 10:48:22,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=11492, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=662, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=20857, PETRI_PLACES=291, PETRI_TRANSITIONS=1369} [2023-01-28 10:48:22,411 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 258 predicate places. [2023-01-28 10:48:22,411 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 1369 transitions, 20857 flow [2023-01-28 10:48:22,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 84.24137931034483) internal successors, (2443), 29 states have internal predecessors, (2443), 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) [2023-01-28 10:48:22,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:48:22,412 INFO L208 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] [2023-01-28 10:48:22,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-01-28 10:48:22,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:22,616 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:48:22,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:48:22,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1223354686, now seen corresponding path program 6 times [2023-01-28 10:48:22,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:48:22,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004908545] [2023-01-28 10:48:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:48:22,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:48:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:48:23,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:48:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004908545] [2023-01-28 10:48:23,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004908545] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:48:23,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575528860] [2023-01-28 10:48:23,414 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 10:48:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:48:23,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:48:23,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-01-28 10:48:23,513 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 10:48:23,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:48:23,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 10:48:23,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:24,028 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:24,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 10:48:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:24,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:24,178 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:24,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 10:48:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:24,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575528860] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:24,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:24,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2023-01-28 10:48:24,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849356509] [2023-01-28 10:48:24,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:24,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 10:48:24,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:24,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 10:48:24,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2023-01-28 10:48:24,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:48:24,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 1369 transitions, 20857 flow. Second operand has 32 states, 32 states have (on average 86.90625) internal successors, (2781), 32 states have internal predecessors, (2781), 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) [2023-01-28 10:48:24,484 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:24,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:48:24,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:29,923 INFO L130 PetriNetUnfolder]: 9040/13746 cut-off events. [2023-01-28 10:48:29,923 INFO L131 PetriNetUnfolder]: For 172641/172641 co-relation queries the response was YES. [2023-01-28 10:48:29,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97151 conditions, 13746 events. 9040/13746 cut-off events. For 172641/172641 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 85922 event pairs, 958 based on Foata normal form. 3/13749 useless extension candidates. Maximal degree in co-relation 96976. Up to 8548 conditions per place. [2023-01-28 10:48:30,128 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 721 selfloop transitions, 1039 changer transitions 9/1769 dead transitions. [2023-01-28 10:48:30,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 1769 transitions, 28978 flow [2023-01-28 10:48:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-01-28 10:48:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-01-28 10:48:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 3586 transitions. [2023-01-28 10:48:30,132 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.260477954528946 [2023-01-28 10:48:30,132 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 3586 transitions. [2023-01-28 10:48:30,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 3586 transitions. [2023-01-28 10:48:30,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:30,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 3586 transitions. [2023-01-28 10:48:30,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 91.94871794871794) internal successors, (3586), 39 states have internal predecessors, (3586), 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) [2023-01-28 10:48:30,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 353.0) internal successors, (14120), 40 states have internal predecessors, (14120), 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) [2023-01-28 10:48:30,143 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 353.0) internal successors, (14120), 40 states have internal predecessors, (14120), 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) [2023-01-28 10:48:30,143 INFO L175 Difference]: Start difference. First operand has 291 places, 1369 transitions, 20857 flow. Second operand 39 states and 3586 transitions. [2023-01-28 10:48:30,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 1769 transitions, 28978 flow [2023-01-28 10:48:32,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 1769 transitions, 27729 flow, removed 453 selfloop flow, removed 9 redundant places. [2023-01-28 10:48:32,840 INFO L231 Difference]: Finished difference. Result has 327 places, 1565 transitions, 26198 flow [2023-01-28 10:48:32,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=19863, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=841, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=26198, PETRI_PLACES=327, PETRI_TRANSITIONS=1565} [2023-01-28 10:48:32,842 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 294 predicate places. [2023-01-28 10:48:32,842 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 1565 transitions, 26198 flow [2023-01-28 10:48:32,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 86.90625) internal successors, (2781), 32 states have internal predecessors, (2781), 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) [2023-01-28 10:48:32,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:48:32,842 INFO L208 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] [2023-01-28 10:48:32,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-01-28 10:48:33,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:33,047 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:48:33,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:48:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1789474852, now seen corresponding path program 7 times [2023-01-28 10:48:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:48:33,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024905698] [2023-01-28 10:48:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:48:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:48:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:33,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:48:33,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024905698] [2023-01-28 10:48:33,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024905698] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:48:33,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882839548] [2023-01-28 10:48:33,584 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 10:48:33,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:33,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:48:33,586 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:48:33,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-28 10:48:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:33,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 63 conjunts are in the unsatisfiable core [2023-01-28 10:48:33,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:33,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-28 10:48:33,963 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2023-01-28 10:48:33,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 25 [2023-01-28 10:48:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:33,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:34,046 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:34,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 10:48:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:34,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882839548] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:34,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:34,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2023-01-28 10:48:34,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701640330] [2023-01-28 10:48:34,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:34,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-01-28 10:48:34,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:34,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-01-28 10:48:34,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2023-01-28 10:48:34,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 353 [2023-01-28 10:48:34,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 1565 transitions, 26198 flow. Second operand has 27 states, 27 states have (on average 101.11111111111111) internal successors, (2730), 27 states have internal predecessors, (2730), 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) [2023-01-28 10:48:34,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:34,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 353 [2023-01-28 10:48:34,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:39,601 INFO L130 PetriNetUnfolder]: 10804/16503 cut-off events. [2023-01-28 10:48:39,601 INFO L131 PetriNetUnfolder]: For 215285/215409 co-relation queries the response was YES. [2023-01-28 10:48:39,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120621 conditions, 16503 events. 10804/16503 cut-off events. For 215285/215409 co-relation queries the response was YES. Maximal size of possible extension queue 867. Compared 108261 event pairs, 1462 based on Foata normal form. 80/16550 useless extension candidates. Maximal degree in co-relation 120224. Up to 9439 conditions per place. [2023-01-28 10:48:39,821 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 993 selfloop transitions, 1210 changer transitions 5/2235 dead transitions. [2023-01-28 10:48:39,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 2235 transitions, 39982 flow [2023-01-28 10:48:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-28 10:48:39,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-01-28 10:48:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3644 transitions. [2023-01-28 10:48:39,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3036160639893351 [2023-01-28 10:48:39,825 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3644 transitions. [2023-01-28 10:48:39,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3644 transitions. [2023-01-28 10:48:39,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:39,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3644 transitions. [2023-01-28 10:48:39,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 107.17647058823529) internal successors, (3644), 34 states have internal predecessors, (3644), 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) [2023-01-28 10:48:39,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 10:48:39,835 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 10:48:39,835 INFO L175 Difference]: Start difference. First operand has 327 places, 1565 transitions, 26198 flow. Second operand 34 states and 3644 transitions. [2023-01-28 10:48:39,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 2235 transitions, 39982 flow [2023-01-28 10:48:43,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 2235 transitions, 39299 flow, removed 89 selfloop flow, removed 15 redundant places. [2023-01-28 10:48:43,770 INFO L231 Difference]: Finished difference. Result has 358 places, 1960 transitions, 37270 flow [2023-01-28 10:48:43,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=25668, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=819, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=37270, PETRI_PLACES=358, PETRI_TRANSITIONS=1960} [2023-01-28 10:48:43,771 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 325 predicate places. [2023-01-28 10:48:43,771 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 1960 transitions, 37270 flow [2023-01-28 10:48:43,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 101.11111111111111) internal successors, (2730), 27 states have internal predecessors, (2730), 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) [2023-01-28 10:48:43,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:48:43,772 INFO L208 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] [2023-01-28 10:48:43,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-28 10:48:43,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-01-28 10:48:43,977 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:48:43,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:48:43,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1603318388, now seen corresponding path program 8 times [2023-01-28 10:48:43,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:48:43,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129314673] [2023-01-28 10:48:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:48:43,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:48:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:48:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:48:44,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:48:44,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129314673] [2023-01-28 10:48:44,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129314673] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:48:44,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61516748] [2023-01-28 10:48:44,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 10:48:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:48:44,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:48:44,793 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:48:44,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-01-28 10:48:44,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:48:44,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:48:44,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-28 10:48:44,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:48:45,363 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:48:45,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:48:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:45,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:48:45,517 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:48:45,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:48:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:48:45,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61516748] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:48:45,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:48:45,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 10] total 33 [2023-01-28 10:48:45,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72141069] [2023-01-28 10:48:45,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:48:45,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-01-28 10:48:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:48:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-01-28 10:48:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2023-01-28 10:48:45,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:48:45,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 1960 transitions, 37270 flow. Second operand has 35 states, 35 states have (on average 86.8) internal successors, (3038), 35 states have internal predecessors, (3038), 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) [2023-01-28 10:48:45,819 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:48:45,819 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:48:45,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:48:57,787 INFO L130 PetriNetUnfolder]: 14020/21192 cut-off events. [2023-01-28 10:48:57,788 INFO L131 PetriNetUnfolder]: For 329285/329285 co-relation queries the response was YES. [2023-01-28 10:48:58,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165740 conditions, 21192 events. 14020/21192 cut-off events. For 329285/329285 co-relation queries the response was YES. Maximal size of possible extension queue 1065. Compared 140446 event pairs, 979 based on Foata normal form. 2/21194 useless extension candidates. Maximal degree in co-relation 165290. Up to 11281 conditions per place. [2023-01-28 10:48:58,180 INFO L137 encePairwiseOnDemand]: 336/353 looper letters, 719 selfloop transitions, 2275 changer transitions 6/3000 dead transitions. [2023-01-28 10:48:58,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 3000 transitions, 58069 flow [2023-01-28 10:48:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-01-28 10:48:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2023-01-28 10:48:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 8606 transitions. [2023-01-28 10:48:58,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25935748297269606 [2023-01-28 10:48:58,214 INFO L72 ComplementDD]: Start complementDD. Operand 94 states and 8606 transitions. [2023-01-28 10:48:58,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 8606 transitions. [2023-01-28 10:48:58,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:48:58,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 94 states and 8606 transitions. [2023-01-28 10:48:58,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 95 states, 94 states have (on average 91.55319148936171) internal successors, (8606), 94 states have internal predecessors, (8606), 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) [2023-01-28 10:48:58,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 95 states, 95 states have (on average 353.0) internal successors, (33535), 95 states have internal predecessors, (33535), 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) [2023-01-28 10:48:58,240 INFO L81 ComplementDD]: Finished complementDD. Result has 95 states, 95 states have (on average 353.0) internal successors, (33535), 95 states have internal predecessors, (33535), 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) [2023-01-28 10:48:58,240 INFO L175 Difference]: Start difference. First operand has 358 places, 1960 transitions, 37270 flow. Second operand 94 states and 8606 transitions. [2023-01-28 10:48:58,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 3000 transitions, 58069 flow [2023-01-28 10:49:05,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 3000 transitions, 57792 flow, removed 20 selfloop flow, removed 9 redundant places. [2023-01-28 10:49:06,033 INFO L231 Difference]: Finished difference. Result has 461 places, 2713 transitions, 57126 flow [2023-01-28 10:49:06,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=37045, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1579, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=94, PETRI_FLOW=57126, PETRI_PLACES=461, PETRI_TRANSITIONS=2713} [2023-01-28 10:49:06,035 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 428 predicate places. [2023-01-28 10:49:06,035 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 2713 transitions, 57126 flow [2023-01-28 10:49:06,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 86.8) internal successors, (3038), 35 states have internal predecessors, (3038), 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) [2023-01-28 10:49:06,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:49:06,036 INFO L208 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] [2023-01-28 10:49:06,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-01-28 10:49:06,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:49:06,240 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:49:06,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:49:06,241 INFO L85 PathProgramCache]: Analyzing trace with hash 228834432, now seen corresponding path program 9 times [2023-01-28 10:49:06,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:49:06,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426280915] [2023-01-28 10:49:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:49:06,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:49:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:49:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:49:06,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:49:06,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426280915] [2023-01-28 10:49:06,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426280915] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:49:06,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528205639] [2023-01-28 10:49:06,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 10:49:06,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:49:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:49:06,938 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:49:06,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-01-28 10:49:07,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 10:49:07,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:49:07,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-28 10:49:07,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:49:07,267 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:49:07,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:49:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:49:07,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:49:07,426 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:49:07,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:49:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:49:07,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528205639] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:49:07,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:49:07,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 8] total 30 [2023-01-28 10:49:07,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191353093] [2023-01-28 10:49:07,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:49:07,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 10:49:07,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:49:07,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 10:49:07,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=859, Unknown=0, NotChecked=0, Total=992 [2023-01-28 10:49:07,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 353 [2023-01-28 10:49:07,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 2713 transitions, 57126 flow. Second operand has 32 states, 32 states have (on average 84.9375) internal successors, (2718), 32 states have internal predecessors, (2718), 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) [2023-01-28 10:49:07,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:49:07,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 353 [2023-01-28 10:49:07,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:49:17,259 INFO L130 PetriNetUnfolder]: 14135/21419 cut-off events. [2023-01-28 10:49:17,259 INFO L131 PetriNetUnfolder]: For 403431/403431 co-relation queries the response was YES. [2023-01-28 10:49:17,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183354 conditions, 21419 events. 14135/21419 cut-off events. For 403431/403431 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 142480 event pairs, 1882 based on Foata normal form. 2/21421 useless extension candidates. Maximal degree in co-relation 182872. Up to 16673 conditions per place. [2023-01-28 10:49:17,612 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1612 selfloop transitions, 1171 changer transitions 13/2796 dead transitions. [2023-01-28 10:49:17,612 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 2796 transitions, 63524 flow [2023-01-28 10:49:17,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 10:49:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 10:49:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1456 transitions. [2023-01-28 10:49:17,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2577903682719547 [2023-01-28 10:49:17,614 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1456 transitions. [2023-01-28 10:49:17,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1456 transitions. [2023-01-28 10:49:17,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:49:17,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1456 transitions. [2023-01-28 10:49:17,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2023-01-28 10:49:17,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 10:49:17,637 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 10:49:17,637 INFO L175 Difference]: Start difference. First operand has 461 places, 2713 transitions, 57126 flow. Second operand 16 states and 1456 transitions. [2023-01-28 10:49:17,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 2796 transitions, 63524 flow [2023-01-28 10:49:28,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 2796 transitions, 62301 flow, removed 576 selfloop flow, removed 10 redundant places. [2023-01-28 10:49:28,390 INFO L231 Difference]: Finished difference. Result has 472 places, 2734 transitions, 60370 flow [2023-01-28 10:49:28,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=55903, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=60370, PETRI_PLACES=472, PETRI_TRANSITIONS=2734} [2023-01-28 10:49:28,392 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 439 predicate places. [2023-01-28 10:49:28,393 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 2734 transitions, 60370 flow [2023-01-28 10:49:28,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 84.9375) internal successors, (2718), 32 states have internal predecessors, (2718), 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) [2023-01-28 10:49:28,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:49:28,393 INFO L208 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] [2023-01-28 10:49:28,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-01-28 10:49:28,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-01-28 10:49:28,594 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:49:28,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:49:28,594 INFO L85 PathProgramCache]: Analyzing trace with hash -475621398, now seen corresponding path program 10 times [2023-01-28 10:49:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:49:28,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145230761] [2023-01-28 10:49:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:49:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:49:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:49:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:49:29,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:49:29,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145230761] [2023-01-28 10:49:29,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145230761] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:49:29,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738501327] [2023-01-28 10:49:29,389 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 10:49:29,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:49:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:49:29,390 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:49:29,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-01-28 10:49:29,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 10:49:29,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:49:29,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-28 10:49:29,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:49:29,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-28 10:49:29,846 INFO L321 Elim1Store]: treesize reduction 47, result has 28.8 percent of original size [2023-01-28 10:49:29,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 29 [2023-01-28 10:49:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:49:29,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:49:29,974 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:49:29,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:49:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:49:30,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738501327] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:49:30,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:49:30,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 35 [2023-01-28 10:49:30,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140664042] [2023-01-28 10:49:30,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:49:30,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-01-28 10:49:30,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:49:30,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-01-28 10:49:30,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2023-01-28 10:49:30,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:49:30,253 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 2734 transitions, 60370 flow. Second operand has 37 states, 37 states have (on average 86.72972972972973) internal successors, (3209), 37 states have internal predecessors, (3209), 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) [2023-01-28 10:49:30,253 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:49:30,253 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:49:30,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:49:40,732 INFO L130 PetriNetUnfolder]: 14151/21465 cut-off events. [2023-01-28 10:49:40,733 INFO L131 PetriNetUnfolder]: For 472287/472287 co-relation queries the response was YES. [2023-01-28 10:49:41,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189457 conditions, 21465 events. 14151/21465 cut-off events. For 472287/472287 co-relation queries the response was YES. Maximal size of possible extension queue 1089. Compared 143047 event pairs, 1952 based on Foata normal form. 2/21467 useless extension candidates. Maximal degree in co-relation 188995. Up to 16911 conditions per place. [2023-01-28 10:49:41,291 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 1529 selfloop transitions, 1265 changer transitions 6/2800 dead transitions. [2023-01-28 10:49:41,291 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 2800 transitions, 66594 flow [2023-01-28 10:49:41,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-28 10:49:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-01-28 10:49:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1822 transitions. [2023-01-28 10:49:41,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2580736543909348 [2023-01-28 10:49:41,293 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1822 transitions. [2023-01-28 10:49:41,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1822 transitions. [2023-01-28 10:49:41,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:49:41,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1822 transitions. [2023-01-28 10:49:41,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 91.1) internal successors, (1822), 20 states have internal predecessors, (1822), 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) [2023-01-28 10:49:41,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 10:49:41,299 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 10:49:41,299 INFO L175 Difference]: Start difference. First operand has 472 places, 2734 transitions, 60370 flow. Second operand 20 states and 1822 transitions. [2023-01-28 10:49:41,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 2800 transitions, 66594 flow [2023-01-28 10:49:52,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 2800 transitions, 66100 flow, removed 23 selfloop flow, removed 4 redundant places. [2023-01-28 10:49:52,521 INFO L231 Difference]: Finished difference. Result has 491 places, 2750 transitions, 63876 flow [2023-01-28 10:49:52,523 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=59880, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=63876, PETRI_PLACES=491, PETRI_TRANSITIONS=2750} [2023-01-28 10:49:52,524 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 458 predicate places. [2023-01-28 10:49:52,524 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 2750 transitions, 63876 flow [2023-01-28 10:49:52,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 86.72972972972973) internal successors, (3209), 37 states have internal predecessors, (3209), 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) [2023-01-28 10:49:52,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:49:52,524 INFO L208 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] [2023-01-28 10:49:52,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-01-28 10:49:52,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-01-28 10:49:52,729 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:49:52,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:49:52,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1967116930, now seen corresponding path program 11 times [2023-01-28 10:49:52,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:49:52,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525669106] [2023-01-28 10:49:52,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:49:52,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:49:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:49:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:49:53,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:49:53,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525669106] [2023-01-28 10:49:53,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525669106] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:49:53,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087362093] [2023-01-28 10:49:53,511 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 10:49:53,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:49:53,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:49:53,512 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:49:53,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-01-28 10:49:53,611 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:49:53,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:49:53,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 10:49:53,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:49:54,000 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:49:54,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 10:49:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:49:54,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:49:54,133 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:49:54,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:49:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:49:54,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087362093] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:49:54,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:49:54,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2023-01-28 10:49:54,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729579707] [2023-01-28 10:49:54,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:49:54,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 10:49:54,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:49:54,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 10:49:54,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2023-01-28 10:49:54,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:49:54,350 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 2750 transitions, 63876 flow. Second operand has 32 states, 32 states have (on average 86.96875) internal successors, (2783), 32 states have internal predecessors, (2783), 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) [2023-01-28 10:49:54,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:49:54,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:49:54,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:50:06,150 INFO L130 PetriNetUnfolder]: 12473/19216 cut-off events. [2023-01-28 10:50:06,151 INFO L131 PetriNetUnfolder]: For 473580/473580 co-relation queries the response was YES. [2023-01-28 10:50:06,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175757 conditions, 19216 events. 12473/19216 cut-off events. For 473580/473580 co-relation queries the response was YES. Maximal size of possible extension queue 1077. Compared 129975 event pairs, 1113 based on Foata normal form. 154/19370 useless extension candidates. Maximal degree in co-relation 175423. Up to 10527 conditions per place. [2023-01-28 10:50:06,713 INFO L137 encePairwiseOnDemand]: 337/353 looper letters, 830 selfloop transitions, 1712 changer transitions 9/2551 dead transitions. [2023-01-28 10:50:06,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 2551 transitions, 63289 flow [2023-01-28 10:50:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-28 10:50:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-01-28 10:50:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 4543 transitions. [2023-01-28 10:50:06,717 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2573937677053824 [2023-01-28 10:50:06,717 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 4543 transitions. [2023-01-28 10:50:06,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 4543 transitions. [2023-01-28 10:50:06,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:50:06,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 4543 transitions. [2023-01-28 10:50:06,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 90.86) internal successors, (4543), 50 states have internal predecessors, (4543), 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) [2023-01-28 10:50:06,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 353.0) internal successors, (18003), 51 states have internal predecessors, (18003), 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) [2023-01-28 10:50:06,729 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 353.0) internal successors, (18003), 51 states have internal predecessors, (18003), 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) [2023-01-28 10:50:06,729 INFO L175 Difference]: Start difference. First operand has 491 places, 2750 transitions, 63876 flow. Second operand 50 states and 4543 transitions. [2023-01-28 10:50:06,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 2551 transitions, 63289 flow [2023-01-28 10:50:15,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 2551 transitions, 61834 flow, removed 103 selfloop flow, removed 22 redundant places. [2023-01-28 10:50:15,323 INFO L231 Difference]: Finished difference. Result has 509 places, 2401 transitions, 62267 flow [2023-01-28 10:50:15,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=50404, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1489, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=62267, PETRI_PLACES=509, PETRI_TRANSITIONS=2401} [2023-01-28 10:50:15,325 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 476 predicate places. [2023-01-28 10:50:15,326 INFO L495 AbstractCegarLoop]: Abstraction has has 509 places, 2401 transitions, 62267 flow [2023-01-28 10:50:15,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 86.96875) internal successors, (2783), 32 states have internal predecessors, (2783), 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) [2023-01-28 10:50:15,326 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:50:15,326 INFO L208 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] [2023-01-28 10:50:15,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-01-28 10:50:15,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-01-28 10:50:15,531 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:50:15,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:50:15,531 INFO L85 PathProgramCache]: Analyzing trace with hash -625829824, now seen corresponding path program 12 times [2023-01-28 10:50:15,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:50:15,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081299920] [2023-01-28 10:50:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:50:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:50:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:50:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:50:16,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:50:16,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081299920] [2023-01-28 10:50:16,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081299920] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:50:16,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054877527] [2023-01-28 10:50:16,195 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 10:50:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:50:16,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:50:16,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:50:16,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-01-28 10:50:16,302 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 10:50:16,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:50:16,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 60 conjunts are in the unsatisfiable core [2023-01-28 10:50:16,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:50:16,580 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:50:16,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 10:50:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:50:16,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:50:16,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:50:16,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:50:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:50:16,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054877527] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:50:16,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:50:16,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 31 [2023-01-28 10:50:16,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848937658] [2023-01-28 10:50:16,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:50:16,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-01-28 10:50:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:50:16,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-01-28 10:50:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2023-01-28 10:50:16,977 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:50:16,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 2401 transitions, 62267 flow. Second operand has 33 states, 33 states have (on average 86.81818181818181) internal successors, (2865), 33 states have internal predecessors, (2865), 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) [2023-01-28 10:50:16,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:50:16,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:50:16,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:50:27,200 INFO L130 PetriNetUnfolder]: 12557/19374 cut-off events. [2023-01-28 10:50:27,201 INFO L131 PetriNetUnfolder]: For 549356/549356 co-relation queries the response was YES. [2023-01-28 10:50:27,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188622 conditions, 19374 events. 12557/19374 cut-off events. For 549356/549356 co-relation queries the response was YES. Maximal size of possible extension queue 1096. Compared 132042 event pairs, 1791 based on Foata normal form. 2/19376 useless extension candidates. Maximal degree in co-relation 188123. Up to 14976 conditions per place. [2023-01-28 10:50:27,548 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 1287 selfloop transitions, 1212 changer transitions 6/2505 dead transitions. [2023-01-28 10:50:27,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 2505 transitions, 69142 flow [2023-01-28 10:50:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-28 10:50:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-01-28 10:50:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1823 transitions. [2023-01-28 10:50:27,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25821529745042493 [2023-01-28 10:50:27,550 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1823 transitions. [2023-01-28 10:50:27,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1823 transitions. [2023-01-28 10:50:27,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:50:27,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1823 transitions. [2023-01-28 10:50:27,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 91.15) internal successors, (1823), 20 states have internal predecessors, (1823), 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) [2023-01-28 10:50:27,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 10:50:27,555 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 10:50:27,555 INFO L175 Difference]: Start difference. First operand has 509 places, 2401 transitions, 62267 flow. Second operand 20 states and 1823 transitions. [2023-01-28 10:50:27,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 2505 transitions, 69142 flow [2023-01-28 10:50:37,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 2505 transitions, 68696 flow, removed 168 selfloop flow, removed 11 redundant places. [2023-01-28 10:50:37,502 INFO L231 Difference]: Finished difference. Result has 522 places, 2454 transitions, 66979 flow [2023-01-28 10:50:37,504 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=61851, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=66979, PETRI_PLACES=522, PETRI_TRANSITIONS=2454} [2023-01-28 10:50:37,504 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 489 predicate places. [2023-01-28 10:50:37,504 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 2454 transitions, 66979 flow [2023-01-28 10:50:37,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 86.81818181818181) internal successors, (2865), 33 states have internal predecessors, (2865), 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) [2023-01-28 10:50:37,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:50:37,505 INFO L208 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] [2023-01-28 10:50:37,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-01-28 10:50:37,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-01-28 10:50:37,709 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:50:37,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:50:37,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1355219762, now seen corresponding path program 13 times [2023-01-28 10:50:37,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:50:37,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507507796] [2023-01-28 10:50:37,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:50:37,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:50:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:50:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:50:38,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:50:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507507796] [2023-01-28 10:50:38,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507507796] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:50:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428867975] [2023-01-28 10:50:38,629 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 10:50:38,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:50:38,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:50:38,630 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:50:38,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-01-28 10:50:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:50:38,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-28 10:50:38,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:50:38,995 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:50:38,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 10:50:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:50:39,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:50:39,081 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:50:39,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:50:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:50:39,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428867975] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:50:39,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:50:39,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 27 [2023-01-28 10:50:39,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936911705] [2023-01-28 10:50:39,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:50:39,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-28 10:50:39,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:50:39,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-28 10:50:39,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2023-01-28 10:50:39,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 10:50:39,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 2454 transitions, 66979 flow. Second operand has 29 states, 29 states have (on average 87.03448275862068) internal successors, (2524), 29 states have internal predecessors, (2524), 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) [2023-01-28 10:50:39,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:50:39,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 10:50:39,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:50:50,296 INFO L130 PetriNetUnfolder]: 13569/21015 cut-off events. [2023-01-28 10:50:50,297 INFO L131 PetriNetUnfolder]: For 724068/724236 co-relation queries the response was YES. [2023-01-28 10:50:50,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212561 conditions, 21015 events. 13569/21015 cut-off events. For 724068/724236 co-relation queries the response was YES. Maximal size of possible extension queue 1333. Compared 148908 event pairs, 2217 based on Foata normal form. 105/21079 useless extension candidates. Maximal degree in co-relation 212066. Up to 16160 conditions per place. [2023-01-28 10:50:50,817 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1653 selfloop transitions, 1149 changer transitions 1/2835 dead transitions. [2023-01-28 10:50:50,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 2835 transitions, 80586 flow [2023-01-28 10:50:50,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-28 10:50:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-01-28 10:50:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2754 transitions. [2023-01-28 10:50:50,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26005665722379606 [2023-01-28 10:50:50,821 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2754 transitions. [2023-01-28 10:50:50,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2754 transitions. [2023-01-28 10:50:50,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:50:50,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2754 transitions. [2023-01-28 10:50:50,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 91.8) internal successors, (2754), 30 states have internal predecessors, (2754), 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) [2023-01-28 10:50:50,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 353.0) internal successors, (10943), 31 states have internal predecessors, (10943), 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) [2023-01-28 10:50:50,828 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 353.0) internal successors, (10943), 31 states have internal predecessors, (10943), 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) [2023-01-28 10:50:50,828 INFO L175 Difference]: Start difference. First operand has 522 places, 2454 transitions, 66979 flow. Second operand 30 states and 2754 transitions. [2023-01-28 10:50:50,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 2835 transitions, 80586 flow [2023-01-28 10:51:02,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 2835 transitions, 79841 flow, removed 28 selfloop flow, removed 11 redundant places. [2023-01-28 10:51:02,523 INFO L231 Difference]: Finished difference. Result has 545 places, 2668 transitions, 75394 flow [2023-01-28 10:51:02,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=66270, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=949, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=75394, PETRI_PLACES=545, PETRI_TRANSITIONS=2668} [2023-01-28 10:51:02,525 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 512 predicate places. [2023-01-28 10:51:02,525 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 2668 transitions, 75394 flow [2023-01-28 10:51:02,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 87.03448275862068) internal successors, (2524), 29 states have internal predecessors, (2524), 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) [2023-01-28 10:51:02,525 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:51:02,525 INFO L208 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] [2023-01-28 10:51:02,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-01-28 10:51:02,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:51:02,749 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:51:02,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:51:02,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1791834150, now seen corresponding path program 14 times [2023-01-28 10:51:02,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:51:02,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448353290] [2023-01-28 10:51:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:51:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:51:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:51:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 10:51:03,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:51:03,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448353290] [2023-01-28 10:51:03,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448353290] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:51:03,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124441036] [2023-01-28 10:51:03,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 10:51:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:51:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:51:03,596 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:51:03,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-01-28 10:51:03,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:51:03,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:51:03,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 10:51:03,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:51:03,979 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 10:51:03,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 10:51:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:51:04,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:51:04,155 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 10:51:04,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 10:51:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:51:04,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124441036] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:51:04,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:51:04,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2023-01-28 10:51:04,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251072476] [2023-01-28 10:51:04,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:51:04,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-01-28 10:51:04,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:51:04,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-01-28 10:51:04,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2023-01-28 10:51:04,331 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 353 [2023-01-28 10:51:04,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 2668 transitions, 75394 flow. Second operand has 28 states, 28 states have (on average 91.0) internal successors, (2548), 28 states have internal predecessors, (2548), 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) [2023-01-28 10:51:04,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:51:04,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 353 [2023-01-28 10:51:04,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:51:16,244 INFO L130 PetriNetUnfolder]: 14307/22169 cut-off events. [2023-01-28 10:51:16,244 INFO L131 PetriNetUnfolder]: For 759344/759518 co-relation queries the response was YES. [2023-01-28 10:51:16,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231021 conditions, 22169 events. 14307/22169 cut-off events. For 759344/759518 co-relation queries the response was YES. Maximal size of possible extension queue 1404. Compared 158747 event pairs, 1503 based on Foata normal form. 103/22227 useless extension candidates. Maximal degree in co-relation 230510. Up to 13586 conditions per place. [2023-01-28 10:51:16,591 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1138 selfloop transitions, 1676 changer transitions 6/2852 dead transitions. [2023-01-28 10:51:16,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 2852 transitions, 84048 flow [2023-01-28 10:51:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-28 10:51:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-01-28 10:51:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2133 transitions. [2023-01-28 10:51:16,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2746587689930466 [2023-01-28 10:51:16,598 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2133 transitions. [2023-01-28 10:51:16,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2133 transitions. [2023-01-28 10:51:16,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:51:16,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2133 transitions. [2023-01-28 10:51:16,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 96.95454545454545) internal successors, (2133), 22 states have internal predecessors, (2133), 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) [2023-01-28 10:51:16,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 10:51:16,605 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 10:51:16,605 INFO L175 Difference]: Start difference. First operand has 545 places, 2668 transitions, 75394 flow. Second operand 22 states and 2133 transitions. [2023-01-28 10:51:16,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 2852 transitions, 84048 flow [2023-01-28 10:51:29,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 2852 transitions, 83885 flow, removed 25 selfloop flow, removed 8 redundant places. [2023-01-28 10:51:29,297 INFO L231 Difference]: Finished difference. Result has 565 places, 2745 transitions, 83173 flow [2023-01-28 10:51:29,299 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=75231, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1604, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1038, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=83173, PETRI_PLACES=565, PETRI_TRANSITIONS=2745} [2023-01-28 10:51:29,299 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 532 predicate places. [2023-01-28 10:51:29,299 INFO L495 AbstractCegarLoop]: Abstraction has has 565 places, 2745 transitions, 83173 flow [2023-01-28 10:51:29,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 91.0) internal successors, (2548), 28 states have internal predecessors, (2548), 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) [2023-01-28 10:51:29,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:51:29,300 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:51:29,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-01-28 10:51:29,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-01-28 10:51:29,524 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:51:29,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:51:29,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1650705045, now seen corresponding path program 15 times [2023-01-28 10:51:29,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:51:29,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120617831] [2023-01-28 10:51:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:51:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:51:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:51:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:51:29,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:51:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120617831] [2023-01-28 10:51:29,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120617831] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:51:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024887997] [2023-01-28 10:51:29,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 10:51:29,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:51:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:51:29,587 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:51:29,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-01-28 10:51:29,702 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 10:51:29,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:51:29,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 10:51:29,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:51:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:51:29,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:51:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:51:29,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024887997] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:51:29,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:51:29,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-01-28 10:51:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583861292] [2023-01-28 10:51:29,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:51:29,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-01-28 10:51:29,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:51:29,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-01-28 10:51:29,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-01-28 10:51:29,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-28 10:51:29,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 2745 transitions, 83173 flow. Second operand has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2023-01-28 10:51:29,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:51:29,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-28 10:51:29,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:51:49,359 INFO L130 PetriNetUnfolder]: 20239/32762 cut-off events. [2023-01-28 10:51:49,359 INFO L131 PetriNetUnfolder]: For 1596372/1597319 co-relation queries the response was YES. [2023-01-28 10:51:50,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367756 conditions, 32762 events. 20239/32762 cut-off events. For 1596372/1597319 co-relation queries the response was YES. Maximal size of possible extension queue 2068. Compared 265303 event pairs, 4225 based on Foata normal form. 2521/34960 useless extension candidates. Maximal degree in co-relation 367270. Up to 13291 conditions per place. [2023-01-28 10:51:50,584 INFO L137 encePairwiseOnDemand]: 345/353 looper letters, 2996 selfloop transitions, 541 changer transitions 68/3681 dead transitions. [2023-01-28 10:51:50,584 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 3681 transitions, 121967 flow [2023-01-28 10:51:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-28 10:51:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-28 10:51:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1672 transitions. [2023-01-28 10:51:50,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3947119924457035 [2023-01-28 10:51:50,586 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1672 transitions. [2023-01-28 10:51:50,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1672 transitions. [2023-01-28 10:51:50,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:51:50,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1672 transitions. [2023-01-28 10:51:50,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 139.33333333333334) internal successors, (1672), 12 states have internal predecessors, (1672), 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) [2023-01-28 10:51:50,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 10:51:50,590 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 10:51:50,590 INFO L175 Difference]: Start difference. First operand has 565 places, 2745 transitions, 83173 flow. Second operand 12 states and 1672 transitions. [2023-01-28 10:51:50,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 3681 transitions, 121967 flow [2023-01-28 10:52:17,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 3681 transitions, 120547 flow, removed 124 selfloop flow, removed 19 redundant places. [2023-01-28 10:52:17,344 INFO L231 Difference]: Finished difference. Result has 554 places, 2459 transitions, 77211 flow [2023-01-28 10:52:17,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=72729, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=77211, PETRI_PLACES=554, PETRI_TRANSITIONS=2459} [2023-01-28 10:52:17,359 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 521 predicate places. [2023-01-28 10:52:17,359 INFO L495 AbstractCegarLoop]: Abstraction has has 554 places, 2459 transitions, 77211 flow [2023-01-28 10:52:17,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2023-01-28 10:52:17,360 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:52:17,360 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:52:17,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-01-28 10:52:17,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-01-28 10:52:17,560 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:52:17,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:52:17,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1609149229, now seen corresponding path program 16 times [2023-01-28 10:52:17,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:52:17,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948652270] [2023-01-28 10:52:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:52:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:52:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:52:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:52:17,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:52:17,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948652270] [2023-01-28 10:52:17,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948652270] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:52:17,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879895738] [2023-01-28 10:52:17,634 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 10:52:17,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:52:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:52:17,635 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:52:17,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-01-28 10:52:17,742 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 10:52:17,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:52:17,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:52:17,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:52:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:52:17,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:52:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:52:17,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879895738] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:52:17,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:52:17,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2023-01-28 10:52:17,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443110139] [2023-01-28 10:52:17,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:52:17,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 10:52:17,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:52:17,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 10:52:17,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-01-28 10:52:17,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:52:17,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 2459 transitions, 77211 flow. Second operand has 19 states, 19 states have (on average 123.84210526315789) internal successors, (2353), 19 states have internal predecessors, (2353), 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) [2023-01-28 10:52:17,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:52:17,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:52:17,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:52:40,337 INFO L130 PetriNetUnfolder]: 25407/40294 cut-off events. [2023-01-28 10:52:40,338 INFO L131 PetriNetUnfolder]: For 1794985/1795158 co-relation queries the response was YES. [2023-01-28 10:52:41,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451682 conditions, 40294 events. 25407/40294 cut-off events. For 1794985/1795158 co-relation queries the response was YES. Maximal size of possible extension queue 2279. Compared 320974 event pairs, 2214 based on Foata normal form. 185/40440 useless extension candidates. Maximal degree in co-relation 451395. Up to 13208 conditions per place. [2023-01-28 10:52:41,262 INFO L137 encePairwiseOnDemand]: 339/353 looper letters, 1475 selfloop transitions, 2811 changer transitions 9/4394 dead transitions. [2023-01-28 10:52:41,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 4394 transitions, 141025 flow [2023-01-28 10:52:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-01-28 10:52:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2023-01-28 10:52:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3792 transitions. [2023-01-28 10:52:41,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3704210217837257 [2023-01-28 10:52:41,265 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3792 transitions. [2023-01-28 10:52:41,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3792 transitions. [2023-01-28 10:52:41,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:52:41,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3792 transitions. [2023-01-28 10:52:41,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 130.75862068965517) internal successors, (3792), 29 states have internal predecessors, (3792), 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) [2023-01-28 10:52:41,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 353.0) internal successors, (10590), 30 states have internal predecessors, (10590), 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) [2023-01-28 10:52:41,272 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 353.0) internal successors, (10590), 30 states have internal predecessors, (10590), 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) [2023-01-28 10:52:41,272 INFO L175 Difference]: Start difference. First operand has 554 places, 2459 transitions, 77211 flow. Second operand 29 states and 3792 transitions. [2023-01-28 10:52:41,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 4394 transitions, 141025 flow [2023-01-28 10:53:15,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 4394 transitions, 136268 flow, removed 620 selfloop flow, removed 35 redundant places. [2023-01-28 10:53:15,720 INFO L231 Difference]: Finished difference. Result has 543 places, 3751 transitions, 126448 flow [2023-01-28 10:53:15,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=59282, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=126448, PETRI_PLACES=543, PETRI_TRANSITIONS=3751} [2023-01-28 10:53:15,721 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 510 predicate places. [2023-01-28 10:53:15,721 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 3751 transitions, 126448 flow [2023-01-28 10:53:15,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.84210526315789) internal successors, (2353), 19 states have internal predecessors, (2353), 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) [2023-01-28 10:53:15,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:53:15,722 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:53:15,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-01-28 10:53:15,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:53:15,926 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:53:15,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:53:15,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1306578835, now seen corresponding path program 17 times [2023-01-28 10:53:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:53:15,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045344330] [2023-01-28 10:53:15,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:53:15,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:53:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:53:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:53:16,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:53:16,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045344330] [2023-01-28 10:53:16,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045344330] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:53:16,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643565634] [2023-01-28 10:53:16,044 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 10:53:16,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:53:16,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:53:16,045 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:53:16,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-01-28 10:53:16,156 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-01-28 10:53:16,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:53:16,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 13 conjunts are in the unsatisfiable core [2023-01-28 10:53:16,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:53:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:53:16,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:53:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:53:16,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643565634] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:53:16,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:53:16,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-28 10:53:16,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154112113] [2023-01-28 10:53:16,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:53:16,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 10:53:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:53:16,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 10:53:16,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-01-28 10:53:16,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 353 [2023-01-28 10:53:16,323 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 3751 transitions, 126448 flow. Second operand has 18 states, 18 states have (on average 127.11111111111111) internal successors, (2288), 18 states have internal predecessors, (2288), 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) [2023-01-28 10:53:16,323 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:53:16,323 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 353 [2023-01-28 10:53:16,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:53:38,159 INFO L130 PetriNetUnfolder]: 17365/28959 cut-off events. [2023-01-28 10:53:38,159 INFO L131 PetriNetUnfolder]: For 1551562/1552026 co-relation queries the response was YES. [2023-01-28 10:53:38,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318660 conditions, 28959 events. 17365/28959 cut-off events. For 1551562/1552026 co-relation queries the response was YES. Maximal size of possible extension queue 1739. Compared 238890 event pairs, 3394 based on Foata normal form. 2056/30915 useless extension candidates. Maximal degree in co-relation 318392. Up to 9584 conditions per place. [2023-01-28 10:53:38,927 INFO L137 encePairwiseOnDemand]: 344/353 looper letters, 2296 selfloop transitions, 300 changer transitions 337/3044 dead transitions. [2023-01-28 10:53:38,927 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 3044 transitions, 95258 flow [2023-01-28 10:53:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-01-28 10:53:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-01-28 10:53:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1866 transitions. [2023-01-28 10:53:38,929 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.377579927154998 [2023-01-28 10:53:38,929 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1866 transitions. [2023-01-28 10:53:38,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1866 transitions. [2023-01-28 10:53:38,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:53:38,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1866 transitions. [2023-01-28 10:53:38,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 133.28571428571428) internal successors, (1866), 14 states have internal predecessors, (1866), 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) [2023-01-28 10:53:38,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 353.0) internal successors, (5295), 15 states have internal predecessors, (5295), 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) [2023-01-28 10:53:38,933 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 353.0) internal successors, (5295), 15 states have internal predecessors, (5295), 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) [2023-01-28 10:53:38,933 INFO L175 Difference]: Start difference. First operand has 543 places, 3751 transitions, 126448 flow. Second operand 14 states and 1866 transitions. [2023-01-28 10:53:38,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 3044 transitions, 95258 flow [2023-01-28 10:53:58,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 3044 transitions, 91329 flow, removed 435 selfloop flow, removed 10 redundant places. [2023-01-28 10:53:58,169 INFO L231 Difference]: Finished difference. Result has 540 places, 2481 transitions, 71403 flow [2023-01-28 10:53:58,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=80306, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=71403, PETRI_PLACES=540, PETRI_TRANSITIONS=2481} [2023-01-28 10:53:58,171 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 507 predicate places. [2023-01-28 10:53:58,171 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 2481 transitions, 71403 flow [2023-01-28 10:53:58,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 127.11111111111111) internal successors, (2288), 18 states have internal predecessors, (2288), 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) [2023-01-28 10:53:58,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:53:58,171 INFO L208 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] [2023-01-28 10:53:58,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-01-28 10:53:58,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:53:58,376 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:53:58,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:53:58,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1310478255, now seen corresponding path program 1 times [2023-01-28 10:53:58,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:53:58,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908077222] [2023-01-28 10:53:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:53:58,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:53:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:53:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:53:58,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:53:58,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908077222] [2023-01-28 10:53:58,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908077222] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:53:58,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100094682] [2023-01-28 10:53:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:53:58,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:53:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:53:58,455 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:53:58,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-01-28 10:53:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:53:58,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 10:53:58,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:53:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:53:58,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:53:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:53:58,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100094682] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:53:58,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:53:58,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2023-01-28 10:53:58,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938601376] [2023-01-28 10:53:58,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:53:58,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-28 10:53:58,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:53:58,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-28 10:53:58,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-01-28 10:53:58,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:53:58,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 2481 transitions, 71403 flow. Second operand has 17 states, 17 states have (on average 124.0) internal successors, (2108), 17 states have internal predecessors, (2108), 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) [2023-01-28 10:53:58,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:53:58,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:53:58,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:54:14,114 INFO L130 PetriNetUnfolder]: 17062/28132 cut-off events. [2023-01-28 10:54:14,114 INFO L131 PetriNetUnfolder]: For 1020302/1020506 co-relation queries the response was YES. [2023-01-28 10:54:14,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290325 conditions, 28132 events. 17062/28132 cut-off events. For 1020302/1020506 co-relation queries the response was YES. Maximal size of possible extension queue 1682. Compared 226533 event pairs, 2856 based on Foata normal form. 186/28283 useless extension candidates. Maximal degree in co-relation 290056. Up to 9826 conditions per place. [2023-01-28 10:54:14,836 INFO L137 encePairwiseOnDemand]: 343/353 looper letters, 2098 selfloop transitions, 777 changer transitions 101/3047 dead transitions. [2023-01-28 10:54:14,837 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 3047 transitions, 86910 flow [2023-01-28 10:54:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-28 10:54:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-01-28 10:54:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 3410 transitions. [2023-01-28 10:54:14,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3715406406624537 [2023-01-28 10:54:14,840 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 3410 transitions. [2023-01-28 10:54:14,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 3410 transitions. [2023-01-28 10:54:14,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:54:14,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 3410 transitions. [2023-01-28 10:54:14,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 131.15384615384616) internal successors, (3410), 26 states have internal predecessors, (3410), 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) [2023-01-28 10:54:14,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 353.0) internal successors, (9531), 27 states have internal predecessors, (9531), 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) [2023-01-28 10:54:14,857 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 353.0) internal successors, (9531), 27 states have internal predecessors, (9531), 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) [2023-01-28 10:54:14,858 INFO L175 Difference]: Start difference. First operand has 540 places, 2481 transitions, 71403 flow. Second operand 26 states and 3410 transitions. [2023-01-28 10:54:14,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 3047 transitions, 86910 flow [2023-01-28 10:54:31,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 3047 transitions, 85032 flow, removed 222 selfloop flow, removed 31 redundant places. [2023-01-28 10:54:31,890 INFO L231 Difference]: Finished difference. Result has 539 places, 2657 transitions, 76289 flow [2023-01-28 10:54:31,892 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=69231, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=570, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1844, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=76289, PETRI_PLACES=539, PETRI_TRANSITIONS=2657} [2023-01-28 10:54:31,892 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 506 predicate places. [2023-01-28 10:54:31,892 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 2657 transitions, 76289 flow [2023-01-28 10:54:31,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 124.0) internal successors, (2108), 17 states have internal predecessors, (2108), 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) [2023-01-28 10:54:31,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:54:31,892 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:54:31,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-01-28 10:54:32,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:54:32,097 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:54:32,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:54:32,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1910854271, now seen corresponding path program 18 times [2023-01-28 10:54:32,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:54:32,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198821807] [2023-01-28 10:54:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:54:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:54:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:54:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:54:32,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:54:32,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198821807] [2023-01-28 10:54:32,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198821807] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:54:32,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200206865] [2023-01-28 10:54:32,173 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 10:54:32,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:54:32,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:54:32,176 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:54:32,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-01-28 10:54:32,298 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 10:54:32,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:54:32,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 10:54:32,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:54:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:54:32,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:54:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:54:32,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200206865] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:54:32,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:54:32,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2023-01-28 10:54:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113990765] [2023-01-28 10:54:32,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:54:32,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-28 10:54:32,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:54:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-28 10:54:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-01-28 10:54:32,387 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-28 10:54:32,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 2657 transitions, 76289 flow. Second operand has 15 states, 15 states have (on average 130.66666666666666) internal successors, (1960), 15 states have internal predecessors, (1960), 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) [2023-01-28 10:54:32,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:54:32,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-28 10:54:32,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:54:42,161 INFO L130 PetriNetUnfolder]: 11024/17938 cut-off events. [2023-01-28 10:54:42,162 INFO L131 PetriNetUnfolder]: For 682192/682592 co-relation queries the response was YES. [2023-01-28 10:54:42,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199329 conditions, 17938 events. 11024/17938 cut-off events. For 682192/682592 co-relation queries the response was YES. Maximal size of possible extension queue 1081. Compared 132558 event pairs, 3233 based on Foata normal form. 1478/19272 useless extension candidates. Maximal degree in co-relation 199124. Up to 6608 conditions per place. [2023-01-28 10:54:42,407 INFO L137 encePairwiseOnDemand]: 346/353 looper letters, 1647 selfloop transitions, 223 changer transitions 481/2410 dead transitions. [2023-01-28 10:54:42,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 2410 transitions, 71033 flow [2023-01-28 10:54:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-28 10:54:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-28 10:54:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1103 transitions. [2023-01-28 10:54:42,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39058073654390935 [2023-01-28 10:54:42,418 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1103 transitions. [2023-01-28 10:54:42,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1103 transitions. [2023-01-28 10:54:42,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:54:42,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1103 transitions. [2023-01-28 10:54:42,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 137.875) internal successors, (1103), 8 states have internal predecessors, (1103), 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) [2023-01-28 10:54:42,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 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) [2023-01-28 10:54:42,421 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 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) [2023-01-28 10:54:42,421 INFO L175 Difference]: Start difference. First operand has 539 places, 2657 transitions, 76289 flow. Second operand 8 states and 1103 transitions. [2023-01-28 10:54:42,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 2410 transitions, 71033 flow [2023-01-28 10:54:49,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 2410 transitions, 69024 flow, removed 391 selfloop flow, removed 19 redundant places. [2023-01-28 10:54:49,599 INFO L231 Difference]: Finished difference. Result has 523 places, 1721 transitions, 46941 flow [2023-01-28 10:54:49,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=58759, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46941, PETRI_PLACES=523, PETRI_TRANSITIONS=1721} [2023-01-28 10:54:49,600 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-28 10:54:49,600 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 1721 transitions, 46941 flow [2023-01-28 10:54:49,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 130.66666666666666) internal successors, (1960), 15 states have internal predecessors, (1960), 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) [2023-01-28 10:54:49,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:54:49,601 INFO L208 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] [2023-01-28 10:54:49,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-01-28 10:54:49,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-01-28 10:54:49,805 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:54:49,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:54:49,806 INFO L85 PathProgramCache]: Analyzing trace with hash 383481661, now seen corresponding path program 2 times [2023-01-28 10:54:49,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:54:49,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148610445] [2023-01-28 10:54:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:54:49,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:54:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:54:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:54:49,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:54:49,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148610445] [2023-01-28 10:54:49,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148610445] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:54:49,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819607226] [2023-01-28 10:54:49,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 10:54:49,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:54:49,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:54:49,893 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:54:49,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-01-28 10:54:50,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:54:50,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:54:50,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 10:54:50,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:54:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:54:50,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:54:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:54:50,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819607226] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:54:50,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:54:50,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-28 10:54:50,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318257954] [2023-01-28 10:54:50,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:54:50,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 10:54:50,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:54:50,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 10:54:50,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-01-28 10:54:50,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:54:50,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 1721 transitions, 46941 flow. Second operand has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 10:54:50,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:54:50,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:54:50,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:54:58,661 INFO L130 PetriNetUnfolder]: 12543/20618 cut-off events. [2023-01-28 10:54:58,662 INFO L131 PetriNetUnfolder]: For 698733/698939 co-relation queries the response was YES. [2023-01-28 10:54:58,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218541 conditions, 20618 events. 12543/20618 cut-off events. For 698733/698939 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 158101 event pairs, 1452 based on Foata normal form. 120/20717 useless extension candidates. Maximal degree in co-relation 218408. Up to 6963 conditions per place. [2023-01-28 10:54:58,976 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1791 selfloop transitions, 479 changer transitions 116/2435 dead transitions. [2023-01-28 10:54:58,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 2435 transitions, 67395 flow [2023-01-28 10:54:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-28 10:54:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-01-28 10:54:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2891 transitions. [2023-01-28 10:54:58,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.372263713623487 [2023-01-28 10:54:58,978 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2891 transitions. [2023-01-28 10:54:58,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2891 transitions. [2023-01-28 10:54:58,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:54:58,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2891 transitions. [2023-01-28 10:54:58,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 131.4090909090909) internal successors, (2891), 22 states have internal predecessors, (2891), 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) [2023-01-28 10:54:58,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 10:54:58,983 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 10:54:58,983 INFO L175 Difference]: Start difference. First operand has 523 places, 1721 transitions, 46941 flow. Second operand 22 states and 2891 transitions. [2023-01-28 10:54:58,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 2435 transitions, 67395 flow [2023-01-28 10:55:07,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 2435 transitions, 66016 flow, removed 267 selfloop flow, removed 24 redundant places. [2023-01-28 10:55:07,070 INFO L231 Difference]: Finished difference. Result has 510 places, 1883 transitions, 52080 flow [2023-01-28 10:55:07,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=45919, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=52080, PETRI_PLACES=510, PETRI_TRANSITIONS=1883} [2023-01-28 10:55:07,072 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 477 predicate places. [2023-01-28 10:55:07,072 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1883 transitions, 52080 flow [2023-01-28 10:55:07,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 10:55:07,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:55:07,072 INFO L208 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] [2023-01-28 10:55:07,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-01-28 10:55:07,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-01-28 10:55:07,277 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:55:07,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:55:07,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1704698617, now seen corresponding path program 3 times [2023-01-28 10:55:07,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:55:07,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867361957] [2023-01-28 10:55:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:55:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:55:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:55:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:55:07,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:55:07,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867361957] [2023-01-28 10:55:07,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867361957] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:55:07,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016850184] [2023-01-28 10:55:07,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 10:55:07,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:55:07,373 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:55:07,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-01-28 10:55:07,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 10:55:07,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:55:07,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 10:55:07,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:55:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:55:07,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:55:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:55:07,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016850184] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:55:07,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:55:07,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-28 10:55:07,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381268259] [2023-01-28 10:55:07,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:55:07,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 10:55:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:55:07,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 10:55:07,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-01-28 10:55:07,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:55:07,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1883 transitions, 52080 flow. Second operand has 18 states, 18 states have (on average 123.66666666666667) internal successors, (2226), 18 states have internal predecessors, (2226), 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) [2023-01-28 10:55:07,662 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:55:07,662 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:55:07,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:55:16,194 INFO L130 PetriNetUnfolder]: 11781/19199 cut-off events. [2023-01-28 10:55:16,194 INFO L131 PetriNetUnfolder]: For 719179/719419 co-relation queries the response was YES. [2023-01-28 10:55:16,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210203 conditions, 19199 events. 11781/19199 cut-off events. For 719179/719419 co-relation queries the response was YES. Maximal size of possible extension queue 1098. Compared 142644 event pairs, 1359 based on Foata normal form. 128/19311 useless extension candidates. Maximal degree in co-relation 210072. Up to 6666 conditions per place. [2023-01-28 10:55:16,478 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1811 selfloop transitions, 386 changer transitions 90/2336 dead transitions. [2023-01-28 10:55:16,479 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 2336 transitions, 66113 flow [2023-01-28 10:55:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-28 10:55:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-01-28 10:55:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2725 transitions. [2023-01-28 10:55:16,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36759746391474435 [2023-01-28 10:55:16,481 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2725 transitions. [2023-01-28 10:55:16,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2725 transitions. [2023-01-28 10:55:16,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:55:16,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2725 transitions. [2023-01-28 10:55:16,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 129.76190476190476) internal successors, (2725), 21 states have internal predecessors, (2725), 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) [2023-01-28 10:55:16,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 353.0) internal successors, (7766), 22 states have internal predecessors, (7766), 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) [2023-01-28 10:55:16,485 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 353.0) internal successors, (7766), 22 states have internal predecessors, (7766), 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) [2023-01-28 10:55:16,486 INFO L175 Difference]: Start difference. First operand has 510 places, 1883 transitions, 52080 flow. Second operand 21 states and 2725 transitions. [2023-01-28 10:55:16,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 2336 transitions, 66113 flow [2023-01-28 10:55:22,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 2336 transitions, 65576 flow, removed 94 selfloop flow, removed 10 redundant places. [2023-01-28 10:55:22,991 INFO L231 Difference]: Finished difference. Result has 520 places, 1857 transitions, 51510 flow [2023-01-28 10:55:22,992 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=50535, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=51510, PETRI_PLACES=520, PETRI_TRANSITIONS=1857} [2023-01-28 10:55:22,993 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 487 predicate places. [2023-01-28 10:55:22,993 INFO L495 AbstractCegarLoop]: Abstraction has has 520 places, 1857 transitions, 51510 flow [2023-01-28 10:55:22,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.66666666666667) internal successors, (2226), 18 states have internal predecessors, (2226), 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) [2023-01-28 10:55:22,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:55:22,994 INFO L208 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] [2023-01-28 10:55:22,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-01-28 10:55:23,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:23,197 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:55:23,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:55:23,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1573255193, now seen corresponding path program 4 times [2023-01-28 10:55:23,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:55:23,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148281487] [2023-01-28 10:55:23,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:55:23,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:55:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:55:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:55:23,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:55:23,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148281487] [2023-01-28 10:55:23,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148281487] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:55:23,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775008910] [2023-01-28 10:55:23,272 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 10:55:23,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:23,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:55:23,273 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:55:23,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-01-28 10:55:23,417 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 10:55:23,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:55:23,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 10:55:23,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:55:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:55:23,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:55:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:55:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775008910] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:55:23,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:55:23,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-28 10:55:23,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056716727] [2023-01-28 10:55:23,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:55:23,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 10:55:23,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:55:23,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 10:55:23,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-01-28 10:55:23,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:55:23,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 1857 transitions, 51510 flow. Second operand has 18 states, 18 states have (on average 123.83333333333333) internal successors, (2229), 18 states have internal predecessors, (2229), 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) [2023-01-28 10:55:23,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:55:23,555 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:55:23,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:55:30,432 INFO L130 PetriNetUnfolder]: 10037/16451 cut-off events. [2023-01-28 10:55:30,432 INFO L131 PetriNetUnfolder]: For 605492/605728 co-relation queries the response was YES. [2023-01-28 10:55:30,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181608 conditions, 16451 events. 10037/16451 cut-off events. For 605492/605728 co-relation queries the response was YES. Maximal size of possible extension queue 979. Compared 120667 event pairs, 1276 based on Foata normal form. 296/16731 useless extension candidates. Maximal degree in co-relation 181479. Up to 5847 conditions per place. [2023-01-28 10:55:30,684 INFO L137 encePairwiseOnDemand]: 342/353 looper letters, 1540 selfloop transitions, 313 changer transitions 133/2027 dead transitions. [2023-01-28 10:55:30,684 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 2027 transitions, 58544 flow [2023-01-28 10:55:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 10:55:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 10:55:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2081 transitions. [2023-01-28 10:55:30,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3684490084985836 [2023-01-28 10:55:30,685 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2081 transitions. [2023-01-28 10:55:30,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2081 transitions. [2023-01-28 10:55:30,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:55:30,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2081 transitions. [2023-01-28 10:55:30,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 130.0625) internal successors, (2081), 16 states have internal predecessors, (2081), 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) [2023-01-28 10:55:30,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 10:55:30,689 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 10:55:30,689 INFO L175 Difference]: Start difference. First operand has 520 places, 1857 transitions, 51510 flow. Second operand 16 states and 2081 transitions. [2023-01-28 10:55:30,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 2027 transitions, 58544 flow [2023-01-28 10:55:35,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 2027 transitions, 57606 flow, removed 91 selfloop flow, removed 17 redundant places. [2023-01-28 10:55:35,525 INFO L231 Difference]: Finished difference. Result has 510 places, 1629 transitions, 45254 flow [2023-01-28 10:55:35,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=45008, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=45254, PETRI_PLACES=510, PETRI_TRANSITIONS=1629} [2023-01-28 10:55:35,527 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 477 predicate places. [2023-01-28 10:55:35,527 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1629 transitions, 45254 flow [2023-01-28 10:55:35,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.83333333333333) internal successors, (2229), 18 states have internal predecessors, (2229), 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) [2023-01-28 10:55:35,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:55:35,527 INFO L208 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] [2023-01-28 10:55:35,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-01-28 10:55:35,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:35,732 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:55:35,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:55:35,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2028315385, now seen corresponding path program 5 times [2023-01-28 10:55:35,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:55:35,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789671825] [2023-01-28 10:55:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:55:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:55:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:55:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:55:35,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:55:35,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789671825] [2023-01-28 10:55:35,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789671825] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:55:35,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64143821] [2023-01-28 10:55:35,805 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 10:55:35,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:55:35,806 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:55:35,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-01-28 10:55:35,926 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-01-28 10:55:35,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:55:35,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 10:55:35,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:55:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:55:35,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:55:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 10:55:36,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64143821] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:55:36,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:55:36,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-28 10:55:36,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106407580] [2023-01-28 10:55:36,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:55:36,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 10:55:36,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:55:36,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 10:55:36,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-01-28 10:55:36,066 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:55:36,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1629 transitions, 45254 flow. Second operand has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 10:55:36,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:55:36,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:55:36,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:55:42,209 INFO L130 PetriNetUnfolder]: 9544/15472 cut-off events. [2023-01-28 10:55:42,210 INFO L131 PetriNetUnfolder]: For 531193/531421 co-relation queries the response was YES. [2023-01-28 10:55:42,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169907 conditions, 15472 events. 9544/15472 cut-off events. For 531193/531421 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 110368 event pairs, 1035 based on Foata normal form. 292/15748 useless extension candidates. Maximal degree in co-relation 169782. Up to 5739 conditions per place. [2023-01-28 10:55:42,422 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1514 selfloop transitions, 275 changer transitions 95/1924 dead transitions. [2023-01-28 10:55:42,422 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1924 transitions, 55656 flow [2023-01-28 10:55:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 10:55:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 10:55:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2064 transitions. [2023-01-28 10:55:42,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3654390934844193 [2023-01-28 10:55:42,424 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2064 transitions. [2023-01-28 10:55:42,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2064 transitions. [2023-01-28 10:55:42,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:55:42,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2064 transitions. [2023-01-28 10:55:42,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 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) [2023-01-28 10:55:42,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 10:55:42,428 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 10:55:42,428 INFO L175 Difference]: Start difference. First operand has 510 places, 1629 transitions, 45254 flow. Second operand 16 states and 2064 transitions. [2023-01-28 10:55:42,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1924 transitions, 55656 flow [2023-01-28 10:55:46,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 1924 transitions, 54594 flow, removed 82 selfloop flow, removed 26 redundant places. [2023-01-28 10:55:46,820 INFO L231 Difference]: Finished difference. Result has 488 places, 1606 transitions, 44312 flow [2023-01-28 10:55:46,821 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=44078, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=275, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=44312, PETRI_PLACES=488, PETRI_TRANSITIONS=1606} [2023-01-28 10:55:46,821 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 455 predicate places. [2023-01-28 10:55:46,821 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 1606 transitions, 44312 flow [2023-01-28 10:55:46,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 10:55:46,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:55:46,822 INFO L208 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] [2023-01-28 10:55:46,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-01-28 10:55:47,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-01-28 10:55:47,026 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:55:47,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:55:47,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1093084191, now seen corresponding path program 6 times [2023-01-28 10:55:47,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:55:47,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454775156] [2023-01-28 10:55:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:55:47,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:55:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:55:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:55:47,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:55:47,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454775156] [2023-01-28 10:55:47,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454775156] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:55:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655134467] [2023-01-28 10:55:47,121 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 10:55:47,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:47,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:55:47,122 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:55:47,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-01-28 10:55:47,252 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 10:55:47,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:55:47,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 10:55:47,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:55:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:55:47,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:55:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 10:55:47,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655134467] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:55:47,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:55:47,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-01-28 10:55:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581735081] [2023-01-28 10:55:47,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:55:47,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-01-28 10:55:47,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:55:47,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-01-28 10:55:47,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-01-28 10:55:47,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:55:47,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1606 transitions, 44312 flow. Second operand has 16 states, 16 states have (on average 123.5625) internal successors, (1977), 16 states have internal predecessors, (1977), 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) [2023-01-28 10:55:47,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:55:47,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:55:47,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:55:51,528 INFO L130 PetriNetUnfolder]: 7070/11224 cut-off events. [2023-01-28 10:55:51,528 INFO L131 PetriNetUnfolder]: For 418865/419091 co-relation queries the response was YES. [2023-01-28 10:55:51,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127757 conditions, 11224 events. 7070/11224 cut-off events. For 418865/419091 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 73389 event pairs, 856 based on Foata normal form. 434/11642 useless extension candidates. Maximal degree in co-relation 127638. Up to 4592 conditions per place. [2023-01-28 10:55:51,672 INFO L137 encePairwiseOnDemand]: 343/353 looper letters, 1145 selfloop transitions, 97 changer transitions 165/1434 dead transitions. [2023-01-28 10:55:51,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1434 transitions, 41728 flow [2023-01-28 10:55:51,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-28 10:55:51,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-28 10:55:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1541 transitions. [2023-01-28 10:55:51,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3637865911237016 [2023-01-28 10:55:51,674 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1541 transitions. [2023-01-28 10:55:51,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1541 transitions. [2023-01-28 10:55:51,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:55:51,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1541 transitions. [2023-01-28 10:55:51,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 128.41666666666666) internal successors, (1541), 12 states have internal predecessors, (1541), 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) [2023-01-28 10:55:51,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 10:55:51,677 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 10:55:51,677 INFO L175 Difference]: Start difference. First operand has 488 places, 1606 transitions, 44312 flow. Second operand 12 states and 1541 transitions. [2023-01-28 10:55:51,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1434 transitions, 41728 flow [2023-01-28 10:55:54,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1434 transitions, 40599 flow, removed 134 selfloop flow, removed 29 redundant places. [2023-01-28 10:55:54,370 INFO L231 Difference]: Finished difference. Result has 431 places, 1117 transitions, 30594 flow [2023-01-28 10:55:54,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=33407, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30594, PETRI_PLACES=431, PETRI_TRANSITIONS=1117} [2023-01-28 10:55:54,371 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 398 predicate places. [2023-01-28 10:55:54,371 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 1117 transitions, 30594 flow [2023-01-28 10:55:54,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 123.5625) internal successors, (1977), 16 states have internal predecessors, (1977), 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) [2023-01-28 10:55:54,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:55:54,371 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:55:54,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-01-28 10:55:54,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-01-28 10:55:54,576 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:55:54,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:55:54,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1610843438, now seen corresponding path program 19 times [2023-01-28 10:55:54,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:55:54,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352427446] [2023-01-28 10:55:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:55:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:55:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:55:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:55:54,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:55:54,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352427446] [2023-01-28 10:55:54,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352427446] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:55:54,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698493364] [2023-01-28 10:55:54,682 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 10:55:54,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:55:54,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:55:54,683 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:55:54,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-01-28 10:55:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:55:54,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:55:54,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:55:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:55:54,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:55:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:55:54,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698493364] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:55:54,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:55:54,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2023-01-28 10:55:54,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735923672] [2023-01-28 10:55:54,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:55:54,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-28 10:55:54,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:55:54,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-28 10:55:54,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2023-01-28 10:55:54,970 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:55:54,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1117 transitions, 30594 flow. Second operand has 20 states, 20 states have (on average 123.55) internal successors, (2471), 20 states have internal predecessors, (2471), 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) [2023-01-28 10:55:54,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:55:54,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:55:54,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:56:00,755 INFO L130 PetriNetUnfolder]: 11984/18269 cut-off events. [2023-01-28 10:56:00,756 INFO L131 PetriNetUnfolder]: For 673621/673925 co-relation queries the response was YES. [2023-01-28 10:56:00,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211612 conditions, 18269 events. 11984/18269 cut-off events. For 673621/673925 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 118558 event pairs, 606 based on Foata normal form. 96/18346 useless extension candidates. Maximal degree in co-relation 211505. Up to 8300 conditions per place. [2023-01-28 10:56:00,978 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1185 selfloop transitions, 1060 changer transitions 0/2272 dead transitions. [2023-01-28 10:56:00,979 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 2272 transitions, 61549 flow [2023-01-28 10:56:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-01-28 10:56:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-01-28 10:56:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5209 transitions. [2023-01-28 10:56:00,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36890934844192635 [2023-01-28 10:56:00,982 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5209 transitions. [2023-01-28 10:56:00,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5209 transitions. [2023-01-28 10:56:00,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:56:00,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5209 transitions. [2023-01-28 10:56:00,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 130.225) internal successors, (5209), 40 states have internal predecessors, (5209), 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) [2023-01-28 10:56:00,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 353.0) internal successors, (14473), 41 states have internal predecessors, (14473), 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) [2023-01-28 10:56:00,991 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 353.0) internal successors, (14473), 41 states have internal predecessors, (14473), 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) [2023-01-28 10:56:00,991 INFO L175 Difference]: Start difference. First operand has 431 places, 1117 transitions, 30594 flow. Second operand 40 states and 5209 transitions. [2023-01-28 10:56:00,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 2272 transitions, 61549 flow [2023-01-28 10:56:05,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 2272 transitions, 56502 flow, removed 463 selfloop flow, removed 25 redundant places. [2023-01-28 10:56:05,795 INFO L231 Difference]: Finished difference. Result has 382 places, 1599 transitions, 44715 flow [2023-01-28 10:56:05,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=28042, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=44715, PETRI_PLACES=382, PETRI_TRANSITIONS=1599} [2023-01-28 10:56:05,796 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 349 predicate places. [2023-01-28 10:56:05,796 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 1599 transitions, 44715 flow [2023-01-28 10:56:05,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 123.55) internal successors, (2471), 20 states have internal predecessors, (2471), 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) [2023-01-28 10:56:05,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:56:05,797 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:56:05,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-01-28 10:56:06,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-01-28 10:56:06,001 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:56:06,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:56:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash 748663382, now seen corresponding path program 20 times [2023-01-28 10:56:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:56:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582589168] [2023-01-28 10:56:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:56:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:56:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:56:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:06,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:56:06,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582589168] [2023-01-28 10:56:06,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582589168] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:56:06,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347638924] [2023-01-28 10:56:06,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 10:56:06,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:56:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:56:06,086 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:56:06,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-01-28 10:56:06,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:56:06,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:56:06,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:56:06,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:56:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:06,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:56:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:06,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347638924] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:56:06,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:56:06,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-01-28 10:56:06,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815374692] [2023-01-28 10:56:06,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:56:06,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 10:56:06,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:56:06,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 10:56:06,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-01-28 10:56:06,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:56:06,366 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 1599 transitions, 44715 flow. Second operand has 18 states, 18 states have (on average 123.44444444444444) internal successors, (2222), 18 states have internal predecessors, (2222), 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) [2023-01-28 10:56:06,366 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:56:06,366 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:56:06,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:56:12,793 INFO L130 PetriNetUnfolder]: 11906/18129 cut-off events. [2023-01-28 10:56:12,793 INFO L131 PetriNetUnfolder]: For 669845/670101 co-relation queries the response was YES. [2023-01-28 10:56:12,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207070 conditions, 18129 events. 11906/18129 cut-off events. For 669845/670101 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 117475 event pairs, 1131 based on Foata normal form. 128/18236 useless extension candidates. Maximal degree in co-relation 206955. Up to 8270 conditions per place. [2023-01-28 10:56:13,013 INFO L137 encePairwiseOnDemand]: 342/353 looper letters, 747 selfloop transitions, 1022 changer transitions 0/1795 dead transitions. [2023-01-28 10:56:13,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 1795 transitions, 52704 flow [2023-01-28 10:56:13,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-28 10:56:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-01-28 10:56:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1677 transitions. [2023-01-28 10:56:13,015 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3654390934844193 [2023-01-28 10:56:13,015 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1677 transitions. [2023-01-28 10:56:13,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1677 transitions. [2023-01-28 10:56:13,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:56:13,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1677 transitions. [2023-01-28 10:56:13,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 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) [2023-01-28 10:56:13,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 353.0) internal successors, (4942), 14 states have internal predecessors, (4942), 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) [2023-01-28 10:56:13,018 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 353.0) internal successors, (4942), 14 states have internal predecessors, (4942), 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) [2023-01-28 10:56:13,018 INFO L175 Difference]: Start difference. First operand has 382 places, 1599 transitions, 44715 flow. Second operand 13 states and 1677 transitions. [2023-01-28 10:56:13,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 1795 transitions, 52704 flow [2023-01-28 10:56:18,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1795 transitions, 49333 flow, removed 249 selfloop flow, removed 13 redundant places. [2023-01-28 10:56:18,445 INFO L231 Difference]: Finished difference. Result has 371 places, 1629 transitions, 46096 flow [2023-01-28 10:56:18,446 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=40966, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=963, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=46096, PETRI_PLACES=371, PETRI_TRANSITIONS=1629} [2023-01-28 10:56:18,447 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 338 predicate places. [2023-01-28 10:56:18,448 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 1629 transitions, 46096 flow [2023-01-28 10:56:18,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.44444444444444) internal successors, (2222), 18 states have internal predecessors, (2222), 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) [2023-01-28 10:56:18,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:56:18,448 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:56:18,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-01-28 10:56:18,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-01-28 10:56:18,653 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:56:18,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:56:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash -941714298, now seen corresponding path program 21 times [2023-01-28 10:56:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:56:18,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638629957] [2023-01-28 10:56:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:56:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:56:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:56:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:18,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:56:18,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638629957] [2023-01-28 10:56:18,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638629957] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:56:18,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806878399] [2023-01-28 10:56:18,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 10:56:18,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:56:18,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:56:18,762 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:56:18,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-01-28 10:56:18,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 10:56:18,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:56:18,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:56:18,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:56:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:18,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:56:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:19,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806878399] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:56:19,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:56:19,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-28 10:56:19,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703076968] [2023-01-28 10:56:19,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:56:19,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 10:56:19,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:56:19,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 10:56:19,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-01-28 10:56:19,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:56:19,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 1629 transitions, 46096 flow. Second operand has 19 states, 19 states have (on average 123.15789473684211) internal successors, (2340), 19 states have internal predecessors, (2340), 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) [2023-01-28 10:56:19,070 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:56:19,070 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:56:19,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:56:25,630 INFO L130 PetriNetUnfolder]: 12139/18428 cut-off events. [2023-01-28 10:56:25,630 INFO L131 PetriNetUnfolder]: For 675766/676008 co-relation queries the response was YES. [2023-01-28 10:56:25,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207893 conditions, 18428 events. 12139/18428 cut-off events. For 675766/676008 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 119186 event pairs, 780 based on Foata normal form. 126/18531 useless extension candidates. Maximal degree in co-relation 207781. Up to 8508 conditions per place. [2023-01-28 10:56:25,895 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 677 selfloop transitions, 1224 changer transitions 0/1926 dead transitions. [2023-01-28 10:56:25,895 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 1926 transitions, 55611 flow [2023-01-28 10:56:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-28 10:56:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-01-28 10:56:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2331 transitions. [2023-01-28 10:56:25,897 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3668555240793201 [2023-01-28 10:56:25,897 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2331 transitions. [2023-01-28 10:56:25,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2331 transitions. [2023-01-28 10:56:25,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:56:25,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2331 transitions. [2023-01-28 10:56:25,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 129.5) internal successors, (2331), 18 states have internal predecessors, (2331), 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) [2023-01-28 10:56:25,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 10:56:25,901 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 10:56:25,901 INFO L175 Difference]: Start difference. First operand has 371 places, 1629 transitions, 46096 flow. Second operand 18 states and 2331 transitions. [2023-01-28 10:56:25,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 1926 transitions, 55611 flow [2023-01-28 10:56:31,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 1926 transitions, 54800 flow, removed 22 selfloop flow, removed 8 redundant places. [2023-01-28 10:56:31,508 INFO L231 Difference]: Finished difference. Result has 375 places, 1678 transitions, 49379 flow [2023-01-28 10:56:31,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=44893, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=49379, PETRI_PLACES=375, PETRI_TRANSITIONS=1678} [2023-01-28 10:56:31,509 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 342 predicate places. [2023-01-28 10:56:31,509 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 1678 transitions, 49379 flow [2023-01-28 10:56:31,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.15789473684211) internal successors, (2340), 19 states have internal predecessors, (2340), 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) [2023-01-28 10:56:31,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:56:31,510 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:56:31,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-01-28 10:56:31,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:56:31,716 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:56:31,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:56:31,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1860522858, now seen corresponding path program 22 times [2023-01-28 10:56:31,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:56:31,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408976232] [2023-01-28 10:56:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:56:31,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:56:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:56:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:31,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:56:31,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408976232] [2023-01-28 10:56:31,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408976232] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:56:31,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090100552] [2023-01-28 10:56:31,806 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 10:56:31,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:56:31,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:56:31,807 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:56:31,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-01-28 10:56:31,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 10:56:31,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:56:31,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:56:31,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:56:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:32,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:56:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:32,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090100552] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:56:32,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:56:32,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2023-01-28 10:56:32,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244789672] [2023-01-28 10:56:32,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:56:32,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-28 10:56:32,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:56:32,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-28 10:56:32,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2023-01-28 10:56:32,160 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:56:32,161 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 1678 transitions, 49379 flow. Second operand has 21 states, 21 states have (on average 123.0952380952381) internal successors, (2585), 21 states have internal predecessors, (2585), 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) [2023-01-28 10:56:32,161 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:56:32,161 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:56:32,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:56:39,552 INFO L130 PetriNetUnfolder]: 13264/20060 cut-off events. [2023-01-28 10:56:39,552 INFO L131 PetriNetUnfolder]: For 762475/762809 co-relation queries the response was YES. [2023-01-28 10:56:39,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232742 conditions, 20060 events. 13264/20060 cut-off events. For 762475/762809 co-relation queries the response was YES. Maximal size of possible extension queue 841. Compared 130325 event pairs, 821 based on Foata normal form. 170/20204 useless extension candidates. Maximal degree in co-relation 232633. Up to 9272 conditions per place. [2023-01-28 10:56:39,824 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1171 selfloop transitions, 1067 changer transitions 0/2263 dead transitions. [2023-01-28 10:56:39,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 2263 transitions, 67946 flow [2023-01-28 10:56:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-28 10:56:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-01-28 10:56:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2334 transitions. [2023-01-28 10:56:39,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36732766761095376 [2023-01-28 10:56:39,825 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2334 transitions. [2023-01-28 10:56:39,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2334 transitions. [2023-01-28 10:56:39,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:56:39,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2334 transitions. [2023-01-28 10:56:39,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 129.66666666666666) internal successors, (2334), 18 states have internal predecessors, (2334), 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) [2023-01-28 10:56:39,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 10:56:39,830 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 10:56:39,830 INFO L175 Difference]: Start difference. First operand has 375 places, 1678 transitions, 49379 flow. Second operand 18 states and 2334 transitions. [2023-01-28 10:56:39,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 2263 transitions, 67946 flow [2023-01-28 10:56:46,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 2263 transitions, 66589 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-01-28 10:56:47,016 INFO L231 Difference]: Finished difference. Result has 386 places, 1881 transitions, 58220 flow [2023-01-28 10:56:47,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=48177, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=880, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=58220, PETRI_PLACES=386, PETRI_TRANSITIONS=1881} [2023-01-28 10:56:47,018 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 353 predicate places. [2023-01-28 10:56:47,019 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 1881 transitions, 58220 flow [2023-01-28 10:56:47,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 123.0952380952381) internal successors, (2585), 21 states have internal predecessors, (2585), 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) [2023-01-28 10:56:47,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:56:47,019 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:56:47,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-01-28 10:56:47,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:56:47,224 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:56:47,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:56:47,225 INFO L85 PathProgramCache]: Analyzing trace with hash 97842876, now seen corresponding path program 23 times [2023-01-28 10:56:47,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:56:47,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824062518] [2023-01-28 10:56:47,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:56:47,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:56:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:56:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:56:47,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:56:47,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824062518] [2023-01-28 10:56:47,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824062518] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:56:47,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802336827] [2023-01-28 10:56:47,331 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 10:56:47,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:56:47,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:56:47,332 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:56:47,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-01-28 10:56:47,470 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 10:56:47,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:56:47,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 10:56:47,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:56:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:47,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:56:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:56:47,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802336827] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:56:47,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:56:47,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 19 [2023-01-28 10:56:47,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355968948] [2023-01-28 10:56:47,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:56:47,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 10:56:47,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:56:47,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 10:56:47,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2023-01-28 10:56:47,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 353 [2023-01-28 10:56:47,600 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 1881 transitions, 58220 flow. Second operand has 19 states, 19 states have (on average 121.05263157894737) internal successors, (2300), 19 states have internal predecessors, (2300), 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) [2023-01-28 10:56:47,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:56:47,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 353 [2023-01-28 10:56:47,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:57:00,824 INFO L130 PetriNetUnfolder]: 18502/27610 cut-off events. [2023-01-28 10:57:00,824 INFO L131 PetriNetUnfolder]: For 1068983/1068983 co-relation queries the response was YES. [2023-01-28 10:57:01,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325178 conditions, 27610 events. 18502/27610 cut-off events. For 1068983/1068983 co-relation queries the response was YES. Maximal size of possible extension queue 1117. Compared 180556 event pairs, 375 based on Foata normal form. 30/27640 useless extension candidates. Maximal degree in co-relation 325064. Up to 12632 conditions per place. [2023-01-28 10:57:01,326 INFO L137 encePairwiseOnDemand]: 339/353 looper letters, 1243 selfloop transitions, 2839 changer transitions 0/4082 dead transitions. [2023-01-28 10:57:01,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 4082 transitions, 119242 flow [2023-01-28 10:57:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-01-28 10:57:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2023-01-28 10:57:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 14904 transitions. [2023-01-28 10:57:01,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35479800985550025 [2023-01-28 10:57:01,352 INFO L72 ComplementDD]: Start complementDD. Operand 119 states and 14904 transitions. [2023-01-28 10:57:01,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 14904 transitions. [2023-01-28 10:57:01,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:57:01,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 119 states and 14904 transitions. [2023-01-28 10:57:01,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 120 states, 119 states have (on average 125.24369747899159) internal successors, (14904), 119 states have internal predecessors, (14904), 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) [2023-01-28 10:57:01,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 120 states, 120 states have (on average 353.0) internal successors, (42360), 120 states have internal predecessors, (42360), 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) [2023-01-28 10:57:01,403 INFO L81 ComplementDD]: Finished complementDD. Result has 120 states, 120 states have (on average 353.0) internal successors, (42360), 120 states have internal predecessors, (42360), 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) [2023-01-28 10:57:01,403 INFO L175 Difference]: Start difference. First operand has 386 places, 1881 transitions, 58220 flow. Second operand 119 states and 14904 transitions. [2023-01-28 10:57:01,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 4082 transitions, 119242 flow [2023-01-28 10:57:13,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 4082 transitions, 118809 flow, removed 20 selfloop flow, removed 5 redundant places. [2023-01-28 10:57:14,041 INFO L231 Difference]: Finished difference. Result has 523 places, 3227 transitions, 103098 flow [2023-01-28 10:57:14,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=57882, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=119, PETRI_FLOW=103098, PETRI_PLACES=523, PETRI_TRANSITIONS=3227} [2023-01-28 10:57:14,043 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-28 10:57:14,043 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 3227 transitions, 103098 flow [2023-01-28 10:57:14,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 121.05263157894737) internal successors, (2300), 19 states have internal predecessors, (2300), 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) [2023-01-28 10:57:14,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:57:14,044 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:57:14,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-01-28 10:57:14,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-01-28 10:57:14,249 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:57:14,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:57:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash 781787180, now seen corresponding path program 24 times [2023-01-28 10:57:14,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:57:14,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905613720] [2023-01-28 10:57:14,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:57:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:57:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:57:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:57:14,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:57:14,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905613720] [2023-01-28 10:57:14,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905613720] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:57:14,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307249367] [2023-01-28 10:57:14,358 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 10:57:14,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:57:14,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:57:14,359 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:57:14,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-01-28 10:57:14,515 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 10:57:14,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 10:57:14,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:57:14,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:57:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:57:14,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:57:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 10:57:14,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307249367] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:57:14,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:57:14,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-28 10:57:14,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010782273] [2023-01-28 10:57:14,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:57:14,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 10:57:14,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:57:14,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 10:57:14,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-01-28 10:57:14,695 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:57:14,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 3227 transitions, 103098 flow. Second operand has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 10:57:14,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:57:14,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:57:14,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 10:57:30,566 INFO L130 PetriNetUnfolder]: 18231/27275 cut-off events. [2023-01-28 10:57:30,566 INFO L131 PetriNetUnfolder]: For 1216068/1216262 co-relation queries the response was YES. [2023-01-28 10:57:30,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343033 conditions, 27275 events. 18231/27275 cut-off events. For 1216068/1216262 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 179899 event pairs, 1602 based on Foata normal form. 82/27328 useless extension candidates. Maximal degree in co-relation 342896. Up to 12669 conditions per place. [2023-01-28 10:57:31,055 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1150 selfloop transitions, 2174 changer transitions 0/3425 dead transitions. [2023-01-28 10:57:31,055 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 3425 transitions, 113037 flow [2023-01-28 10:57:31,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-28 10:57:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-01-28 10:57:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2191 transitions. [2023-01-28 10:57:31,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36510581569738376 [2023-01-28 10:57:31,057 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2191 transitions. [2023-01-28 10:57:31,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2191 transitions. [2023-01-28 10:57:31,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 10:57:31,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2191 transitions. [2023-01-28 10:57:31,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 128.88235294117646) internal successors, (2191), 17 states have internal predecessors, (2191), 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) [2023-01-28 10:57:31,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 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) [2023-01-28 10:57:31,061 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 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) [2023-01-28 10:57:31,061 INFO L175 Difference]: Start difference. First operand has 523 places, 3227 transitions, 103098 flow. Second operand 17 states and 2191 transitions. [2023-01-28 10:57:31,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 3425 transitions, 113037 flow [2023-01-28 10:57:48,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 3425 transitions, 108943 flow, removed 727 selfloop flow, removed 15 redundant places. [2023-01-28 10:57:48,257 INFO L231 Difference]: Finished difference. Result has 523 places, 3238 transitions, 104022 flow [2023-01-28 10:57:48,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=98785, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=104022, PETRI_PLACES=523, PETRI_TRANSITIONS=3238} [2023-01-28 10:57:48,259 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-28 10:57:48,259 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 3238 transitions, 104022 flow [2023-01-28 10:57:48,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 10:57:48,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 10:57:48,260 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 10:57:48,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-01-28 10:57:48,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:57:48,465 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 10:57:48,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 10:57:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash -89885484, now seen corresponding path program 25 times [2023-01-28 10:57:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 10:57:48,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537606745] [2023-01-28 10:57:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 10:57:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 10:57:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:57:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:57:48,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 10:57:48,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537606745] [2023-01-28 10:57:48,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537606745] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 10:57:48,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377320335] [2023-01-28 10:57:48,547 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 10:57:48,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:57:48,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 10:57:48,548 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 10:57:48,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-01-28 10:57:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 10:57:48,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 10:57:48,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 10:57:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:57:48,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 10:57:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 10:57:48,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377320335] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 10:57:48,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 10:57:48,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-28 10:57:48,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408753504] [2023-01-28 10:57:48,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 10:57:48,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 10:57:48,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 10:57:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 10:57:48,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-01-28 10:57:48,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 10:57:48,907 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 3238 transitions, 104022 flow. Second operand has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 10:57:48,907 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 10:57:48,907 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 10:57:48,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-01-28 10:57:56,852 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 10:57:56,852 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 10:57:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 10:57:57,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 10:57:57,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-01-28 10:57:57,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 10:57:57,420 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 180052 conditions, 14049 events (9581/14048 cut-off events. For 617321/617447 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 91226 event pairs, 545 based on Foata normal form. 71/15187 useless extension candidates. Maximal degree in co-relation 179923. Up to 6272 conditions per place.). [2023-01-28 10:57:57,421 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 10:57:57,421 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-28 10:57:57,421 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-01-28 10:57:57,421 INFO L445 BasicCegarLoop]: Path program histogram: [25, 6, 1, 1, 1] [2023-01-28 10:57:57,423 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 10:57:57,423 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 10:57:57,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:57:57 BasicIcfg [2023-01-28 10:57:57,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 10:57:57,425 INFO L158 Benchmark]: Toolchain (without parser) took 824686.77ms. Allocated memory was 385.9MB in the beginning and 8.8GB in the end (delta: 8.5GB). Free memory was 333.8MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2023-01-28 10:57:57,425 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 213.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 10:57:57,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.83ms. Allocated memory is still 385.9MB. Free memory was 333.8MB in the beginning and 321.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-28 10:57:57,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.72ms. Allocated memory is still 385.9MB. Free memory was 321.9MB in the beginning and 319.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 10:57:57,426 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 385.9MB. Free memory was 319.1MB in the beginning and 317.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 10:57:57,426 INFO L158 Benchmark]: RCFGBuilder took 741.97ms. Allocated memory is still 385.9MB. Free memory was 317.0MB in the beginning and 303.4MB in the end (delta: 13.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.0GB. [2023-01-28 10:57:57,426 INFO L158 Benchmark]: TraceAbstraction took 823727.07ms. Allocated memory was 385.9MB in the beginning and 8.8GB in the end (delta: 8.5GB). Free memory was 302.7MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2023-01-28 10:57:57,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 213.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 160.83ms. Allocated memory is still 385.9MB. Free memory was 333.8MB in the beginning and 321.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 29.72ms. Allocated memory is still 385.9MB. Free memory was 321.9MB in the beginning and 319.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 385.9MB. Free memory was 319.1MB in the beginning and 317.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 741.97ms. Allocated memory is still 385.9MB. Free memory was 317.0MB in the beginning and 303.4MB in the end (delta: 13.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.0GB. * TraceAbstraction took 823727.07ms. Allocated memory was 385.9MB in the beginning and 8.8GB in the end (delta: 8.5GB). Free memory was 302.7MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7s, 164 PlacesBefore, 33 PlacesAfterwards, 170 TransitionsBefore, 28 TransitionsAfterwards, 1518 CoEnabledTransitionPairs, 8 FixpointIterations, 99 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 6 ConcurrentYvCompositions, 11 ChoiceCompositions, 170 TotalNumberOfCompositions, 2268 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1923, independent: 1870, independent conditional: 0, independent unconditional: 1870, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 813, independent: 796, independent conditional: 0, independent unconditional: 796, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1923, independent: 1074, independent conditional: 0, independent unconditional: 1074, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 813, unknown conditional: 0, unknown unconditional: 813] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 180052 conditions, 14049 events (9581/14048 cut-off events. For 617321/617447 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 91226 event pairs, 545 based on Foata normal form. 71/15187 useless extension candidates. Maximal degree in co-relation 179923. Up to 6272 conditions per place.). - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 180052 conditions, 14049 events (9581/14048 cut-off events. For 617321/617447 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 91226 event pairs, 545 based on Foata normal form. 71/15187 useless extension candidates. Maximal degree in co-relation 179923. Up to 6272 conditions per place.). - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 180052 conditions, 14049 events (9581/14048 cut-off events. For 617321/617447 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 91226 event pairs, 545 based on Foata normal form. 71/15187 useless extension candidates. Maximal degree in co-relation 179923. Up to 6272 conditions per place.). - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 180052 conditions, 14049 events (9581/14048 cut-off events. For 617321/617447 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 91226 event pairs, 545 based on Foata normal form. 71/15187 useless extension candidates. Maximal degree in co-relation 179923. Up to 6272 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 201 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 823.6s, OverallIterations: 34, TraceHistogramMax: 2, PathProgramHistogramMax: 25, EmptinessCheckTime: 0.0s, AutomataDifference: 569.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7867 SdHoareTripleChecker+Valid, 16.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7867 mSDsluCounter, 2433 SdHoareTripleChecker+Invalid, 14.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 337 IncrementalHoareTripleChecker+Unchecked, 2209 mSDsCounter, 701 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34993 IncrementalHoareTripleChecker+Invalid, 36031 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 701 mSolverCounterUnsat, 224 mSDtfsCounter, 34993 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2774 GetRequests, 1277 SyntacticMatches, 53 SemanticMatches, 1444 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 24548 ImplicationChecksByTransitivity, 31.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126448occurred in iteration=19, InterpolantAutomatonStates: 956, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 238.0s InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1784 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 2556 ConstructedInterpolants, 23 QuantifiedInterpolants, 23103 SizeOfPredicates, 530 NumberOfNonLiveVariables, 10167 ConjunctsInSsa, 1046 ConjunctsInUnsatCore, 98 InterpolantComputations, 3 PerfectInterpolantSequences, 306/559 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown