/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:54:55,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:54:55,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:54:55,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:54:55,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:54:55,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:54:55,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:54:55,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:54:55,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:54:55,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:54:55,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:54:55,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:54:55,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:54:55,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:54:55,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:54:55,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:54:55,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:54:55,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:54:55,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:54:55,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:54:55,662 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-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:54:55,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:54:55,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:54:55,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:54:55,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:54:55,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:54:55,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:54:55,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:54:55,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:54:55,680 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:54:55,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:54:55,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:54:55,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:54:55,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:54:55,962 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:54:55,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2021-03-26 00:54:56,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88674eba4/a6fe40b048e84e0bb7211ffc6322c447/FLAGd487761b0 [2021-03-26 00:54:56,426 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:54:56,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2021-03-26 00:54:56,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88674eba4/a6fe40b048e84e0bb7211ffc6322c447/FLAGd487761b0 [2021-03-26 00:54:56,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88674eba4/a6fe40b048e84e0bb7211ffc6322c447 [2021-03-26 00:54:56,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:54:56,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:54:56,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:54:56,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:54:56,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:54:56,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d45fa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56, skipping insertion in model container [2021-03-26 00:54:56,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:54:56,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:54:56,814 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i[46865,46878] [2021-03-26 00:54:56,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:54:56,829 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:54:56,855 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i[46865,46878] [2021-03-26 00:54:56,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:54:56,954 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:54:56,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56 WrapperNode [2021-03-26 00:54:56,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:54:56,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:54:56,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:54:56,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:54:56,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:54:56,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:54:56,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:54:56,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:54:56,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:56,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:57,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:57,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... [2021-03-26 00:54:57,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:54:57,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:54:57,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:54:57,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:54:57,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:54:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:54:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-03-26 00:54:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-03-26 00:54:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:54:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:54:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-03-26 00:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:54:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:54:57,078 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:54:57,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:54:57,327 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-03-26 00:54:57,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:54:57 BoogieIcfgContainer [2021-03-26 00:54:57,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:54:57,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:54:57,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:54:57,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:54:57,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:54:56" (1/3) ... [2021-03-26 00:54:57,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34825a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:54:57, skipping insertion in model container [2021-03-26 00:54:57,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:54:56" (2/3) ... [2021-03-26 00:54:57,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34825a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:54:57, skipping insertion in model container [2021-03-26 00:54:57,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:54:57" (3/3) ... [2021-03-26 00:54:57,333 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12.i [2021-03-26 00:54:57,336 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:54:57,338 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 00:54:57,339 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:54:57,355 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,355 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,355 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,356 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,357 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,358 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,359 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,360 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,361 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,362 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,363 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,363 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,363 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,363 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,363 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,364 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,365 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:54:57,374 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:54:57,387 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-26 00:54:57,410 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:54:57,410 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:54:57,410 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:54:57,410 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:54:57,410 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:54:57,410 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:54:57,410 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:54:57,411 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:54:57,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 66 transitions, 137 flow [2021-03-26 00:54:57,461 INFO L129 PetriNetUnfolder]: 7/75 cut-off events. [2021-03-26 00:54:57,461 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:54:57,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 7/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 37. Up to 4 conditions per place. [2021-03-26 00:54:57,467 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 66 transitions, 137 flow [2021-03-26 00:54:57,470 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 66 transitions, 137 flow [2021-03-26 00:54:57,471 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:54:57,480 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 66 transitions, 137 flow [2021-03-26 00:54:57,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 66 transitions, 137 flow [2021-03-26 00:54:57,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 66 transitions, 137 flow [2021-03-26 00:54:57,504 INFO L129 PetriNetUnfolder]: 7/75 cut-off events. [2021-03-26 00:54:57,505 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:54:57,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 7/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 37. Up to 4 conditions per place. [2021-03-26 00:54:57,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 594 [2021-03-26 00:54:59,221 INFO L154 LiptonReduction]: Checked pairs total: 235 [2021-03-26 00:54:59,221 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-26 00:54:59,223 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1753 [2021-03-26 00:54:59,229 INFO L129 PetriNetUnfolder]: 2/24 cut-off events. [2021-03-26 00:54:59,229 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:54:59,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:54:59,230 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:54:59,230 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:54:59,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:54:59,233 INFO L82 PathProgramCache]: Analyzing trace with hash -192698568, now seen corresponding path program 1 times [2021-03-26 00:54:59,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:54:59,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707678660] [2021-03-26 00:54:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:54:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:54:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:54:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:54:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:54:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:54:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 00:54:59,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707678660] [2021-03-26 00:54:59,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:54:59,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:54:59,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495488288] [2021-03-26 00:54:59,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-26 00:54:59,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:54:59,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-26 00:54:59,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-26 00:54:59,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 114 [2021-03-26 00:54:59,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 27 transitions, 59 flow. Second operand has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 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) [2021-03-26 00:54:59,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:54:59,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 114 [2021-03-26 00:54:59,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:54:59,347 INFO L129 PetriNetUnfolder]: 2/24 cut-off events. [2021-03-26 00:54:59,347 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:54:59,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 24 events. 2/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 23 event pairs, 0 based on Foata normal form. 3/23 useless extension candidates. Maximal degree in co-relation 27. Up to 3 conditions per place. [2021-03-26 00:54:59,348 INFO L132 encePairwiseOnDemand]: 112/114 looper letters, 0 selfloop transitions, 0 changer transitions 1/22 dead transitions. [2021-03-26 00:54:59,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 22 transitions, 49 flow [2021-03-26 00:54:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-26 00:54:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-26 00:54:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2021-03-26 00:54:59,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9035087719298246 [2021-03-26 00:54:59,355 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 206 transitions. [2021-03-26 00:54:59,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 206 transitions. [2021-03-26 00:54:59,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:54:59,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 206 transitions. [2021-03-26 00:54:59,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 103.0) internal successors, (206), 2 states have internal predecessors, (206), 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) [2021-03-26 00:54:59,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2021-03-26 00:54:59,362 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2021-03-26 00:54:59,363 INFO L185 Difference]: Start difference. First operand has 27 places, 27 transitions, 59 flow. Second operand 2 states and 206 transitions. [2021-03-26 00:54:59,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 22 transitions, 49 flow [2021-03-26 00:54:59,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 22 transitions, 49 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:54:59,366 INFO L241 Difference]: Finished difference. Result has 24 places, 21 transitions, 47 flow [2021-03-26 00:54:59,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=47, PETRI_PLACES=24, PETRI_TRANSITIONS=21} [2021-03-26 00:54:59,367 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -3 predicate places. [2021-03-26 00:54:59,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:54:59,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 21 transitions, 47 flow [2021-03-26 00:54:59,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 21 transitions, 47 flow [2021-03-26 00:54:59,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 21 transitions, 47 flow [2021-03-26 00:54:59,370 INFO L129 PetriNetUnfolder]: 2/23 cut-off events. [2021-03-26 00:54:59,370 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:54:59,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 23 events. 2/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 15. Up to 3 conditions per place. [2021-03-26 00:54:59,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 00:54:59,953 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:00,183 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:00,385 INFO L154 LiptonReduction]: Checked pairs total: 41 [2021-03-26 00:55:00,385 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 00:55:00,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1018 [2021-03-26 00:55:00,386 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 16 transitions, 37 flow [2021-03-26 00:55:00,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 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) [2021-03-26 00:55:00,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:00,386 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:00,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:55:00,387 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:55:00,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:00,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1829381902, now seen corresponding path program 1 times [2021-03-26 00:55:00,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:00,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518741037] [2021-03-26 00:55:00,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:55:00,413 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:55:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:55:00,435 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:55:00,453 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:55:00,453 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:55:00,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:55:00,454 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 00:55:00,454 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,464 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,465 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,466 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,467 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,468 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,468 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,471 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,471 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,471 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,471 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,473 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,474 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,475 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,476 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,477 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,478 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,479 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,483 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,484 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:00,485 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:55:00,485 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 00:55:00,490 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:55:00,490 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:55:00,490 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:55:00,490 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:55:00,490 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:55:00,490 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:55:00,490 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:55:00,490 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:55:00,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 94 transitions, 200 flow [2021-03-26 00:55:00,507 INFO L129 PetriNetUnfolder]: 12/113 cut-off events. [2021-03-26 00:55:00,508 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 00:55:00,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 12/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 247 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-03-26 00:55:00,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 94 transitions, 200 flow [2021-03-26 00:55:00,509 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 94 transitions, 200 flow [2021-03-26 00:55:00,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:00,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 94 transitions, 200 flow [2021-03-26 00:55:00,509 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 94 transitions, 200 flow [2021-03-26 00:55:00,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 94 transitions, 200 flow [2021-03-26 00:55:00,535 INFO L129 PetriNetUnfolder]: 12/113 cut-off events. [2021-03-26 00:55:00,535 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 00:55:00,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 12/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 227 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-03-26 00:55:00,536 INFO L142 LiptonReduction]: Number of co-enabled transitions 2700 [2021-03-26 00:55:02,069 INFO L154 LiptonReduction]: Checked pairs total: 4198 [2021-03-26 00:55:02,069 INFO L156 LiptonReduction]: Total number of compositions: 54 [2021-03-26 00:55:02,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1560 [2021-03-26 00:55:02,073 INFO L129 PetriNetUnfolder]: 4/47 cut-off events. [2021-03-26 00:55:02,073 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 00:55:02,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:02,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:02,073 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:02,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:02,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1786291316, now seen corresponding path program 1 times [2021-03-26 00:55:02,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:02,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864497681] [2021-03-26 00:55:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:02,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:02,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:02,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:02,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:02,132 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 00:55:02,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:02,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:02,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864497681] [2021-03-26 00:55:02,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:55:02,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:55:02,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952311592] [2021-03-26 00:55:02,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:55:02,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:02,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:55:02,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:55:02,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 148 [2021-03-26 00:55:02,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2021-03-26 00:55:02,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:02,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 148 [2021-03-26 00:55:02,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:02,160 INFO L129 PetriNetUnfolder]: 3/51 cut-off events. [2021-03-26 00:55:02,160 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 00:55:02,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 51 events. 3/51 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 16/60 useless extension candidates. Maximal degree in co-relation 47. Up to 9 conditions per place. [2021-03-26 00:55:02,160 INFO L132 encePairwiseOnDemand]: 141/148 looper letters, 8 selfloop transitions, 2 changer transitions 1/44 dead transitions. [2021-03-26 00:55:02,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 120 flow [2021-03-26 00:55:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:55:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:55:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2021-03-26 00:55:02,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7815315315315315 [2021-03-26 00:55:02,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 347 transitions. [2021-03-26 00:55:02,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 347 transitions. [2021-03-26 00:55:02,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:02,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 347 transitions. [2021-03-26 00:55:02,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2021-03-26 00:55:02,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-26 00:55:02,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-26 00:55:02,166 INFO L185 Difference]: Start difference. First operand has 49 places, 51 transitions, 114 flow. Second operand 3 states and 347 transitions. [2021-03-26 00:55:02,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 120 flow [2021-03-26 00:55:02,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 118 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-26 00:55:02,168 INFO L241 Difference]: Finished difference. Result has 47 places, 42 transitions, 102 flow [2021-03-26 00:55:02,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=42} [2021-03-26 00:55:02,168 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2021-03-26 00:55:02,168 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:02,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 42 transitions, 102 flow [2021-03-26 00:55:02,169 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 42 transitions, 102 flow [2021-03-26 00:55:02,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 102 flow [2021-03-26 00:55:02,171 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-03-26 00:55:02,171 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 00:55:02,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 50 events. 3/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 103 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 44. Up to 3 conditions per place. [2021-03-26 00:55:02,172 INFO L142 LiptonReduction]: Number of co-enabled transitions 800 [2021-03-26 00:55:02,496 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 00:55:02,642 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 00:55:02,925 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:03,153 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:03,243 INFO L154 LiptonReduction]: Checked pairs total: 1332 [2021-03-26 00:55:03,243 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 00:55:03,243 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1075 [2021-03-26 00:55:03,247 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 88 flow [2021-03-26 00:55:03,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2021-03-26 00:55:03,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:03,247 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:03,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:55:03,248 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:03,248 INFO L82 PathProgramCache]: Analyzing trace with hash -657557200, now seen corresponding path program 1 times [2021-03-26 00:55:03,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:03,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684952331] [2021-03-26 00:55:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:55:03,262 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:55:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:55:03,271 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:55:03,275 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:55:03,275 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:55:03,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:55:03,275 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 00:55:03,276 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,282 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,284 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,285 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,286 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,287 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,289 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,290 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,291 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,295 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,295 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,295 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,295 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,295 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,297 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,297 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,298 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,298 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,298 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,298 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:03,298 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:55:03,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 00:55:03,299 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:55:03,299 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:55:03,299 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:55:03,299 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:55:03,299 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:55:03,299 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:55:03,299 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:55:03,299 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:55:03,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 122 transitions, 265 flow [2021-03-26 00:55:03,310 INFO L129 PetriNetUnfolder]: 17/151 cut-off events. [2021-03-26 00:55:03,310 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 00:55:03,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 151 events. 17/151 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 393 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 117. Up to 8 conditions per place. [2021-03-26 00:55:03,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 122 transitions, 265 flow [2021-03-26 00:55:03,312 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 122 transitions, 265 flow [2021-03-26 00:55:03,312 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:03,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 122 transitions, 265 flow [2021-03-26 00:55:03,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 122 transitions, 265 flow [2021-03-26 00:55:03,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 122 transitions, 265 flow [2021-03-26 00:55:03,321 INFO L129 PetriNetUnfolder]: 17/151 cut-off events. [2021-03-26 00:55:03,321 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 00:55:03,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 151 events. 17/151 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 410 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 117. Up to 8 conditions per place. [2021-03-26 00:55:03,324 INFO L142 LiptonReduction]: Number of co-enabled transitions 6318 [2021-03-26 00:55:05,026 INFO L154 LiptonReduction]: Checked pairs total: 10198 [2021-03-26 00:55:05,026 INFO L156 LiptonReduction]: Total number of compositions: 68 [2021-03-26 00:55:05,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1715 [2021-03-26 00:55:05,033 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 00:55:05,034 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 00:55:05,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:05,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:05,034 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:05,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:05,034 INFO L82 PathProgramCache]: Analyzing trace with hash 127399441, now seen corresponding path program 1 times [2021-03-26 00:55:05,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:05,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180903099] [2021-03-26 00:55:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:05,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:05,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:05,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:05,099 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 00:55:05,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:05,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180903099] [2021-03-26 00:55:05,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:55:05,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:55:05,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802143404] [2021-03-26 00:55:05,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:55:05,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:05,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:55:05,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:55:05,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 190 [2021-03-26 00:55:05,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 68 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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) [2021-03-26 00:55:05,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:05,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 190 [2021-03-26 00:55:05,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:05,128 INFO L129 PetriNetUnfolder]: 5/72 cut-off events. [2021-03-26 00:55:05,128 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 00:55:05,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 72 events. 5/72 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 182 event pairs, 0 based on Foata normal form. 18/80 useless extension candidates. Maximal degree in co-relation 66. Up to 10 conditions per place. [2021-03-26 00:55:05,130 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 9 selfloop transitions, 2 changer transitions 1/62 dead transitions. [2021-03-26 00:55:05,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 62 transitions, 167 flow [2021-03-26 00:55:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:55:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:55:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2021-03-26 00:55:05,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7947368421052632 [2021-03-26 00:55:05,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 453 transitions. [2021-03-26 00:55:05,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 453 transitions. [2021-03-26 00:55:05,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:05,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 453 transitions. [2021-03-26 00:55:05,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 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) [2021-03-26 00:55:05,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 00:55:05,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 00:55:05,138 INFO L185 Difference]: Start difference. First operand has 66 places, 68 transitions, 157 flow. Second operand 3 states and 453 transitions. [2021-03-26 00:55:05,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 62 transitions, 167 flow [2021-03-26 00:55:05,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 161 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-26 00:55:05,140 INFO L241 Difference]: Finished difference. Result has 65 places, 60 transitions, 143 flow [2021-03-26 00:55:05,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=143, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2021-03-26 00:55:05,140 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -1 predicate places. [2021-03-26 00:55:05,140 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:05,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 60 transitions, 143 flow [2021-03-26 00:55:05,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 60 transitions, 143 flow [2021-03-26 00:55:05,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 60 transitions, 143 flow [2021-03-26 00:55:05,146 INFO L129 PetriNetUnfolder]: 5/71 cut-off events. [2021-03-26 00:55:05,146 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 00:55:05,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 71 events. 5/71 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 172 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 68. Up to 4 conditions per place. [2021-03-26 00:55:05,147 INFO L142 LiptonReduction]: Number of co-enabled transitions 2088 [2021-03-26 00:55:05,986 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:06,212 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:06,286 INFO L154 LiptonReduction]: Checked pairs total: 3633 [2021-03-26 00:55:06,286 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 00:55:06,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1146 [2021-03-26 00:55:06,287 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 123 flow [2021-03-26 00:55:06,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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) [2021-03-26 00:55:06,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:06,287 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:06,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:55:06,288 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1315742375, now seen corresponding path program 1 times [2021-03-26 00:55:06,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:06,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913727492] [2021-03-26 00:55:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:55:06,299 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:55:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:55:06,310 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:55:06,314 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:55:06,314 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:55:06,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:55:06,315 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 00:55:06,315 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,323 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,324 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,325 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,326 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,327 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,331 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,332 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,333 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,334 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,335 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,336 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,337 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,338 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,339 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,340 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:55:06,341 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:55:06,341 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 00:55:06,342 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:55:06,342 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:55:06,342 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:55:06,342 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:55:06,342 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:55:06,342 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:55:06,342 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:55:06,342 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:55:06,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 150 transitions, 332 flow [2021-03-26 00:55:06,356 INFO L129 PetriNetUnfolder]: 22/189 cut-off events. [2021-03-26 00:55:06,356 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 00:55:06,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 189 events. 22/189 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 565 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 159. Up to 10 conditions per place. [2021-03-26 00:55:06,357 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 150 transitions, 332 flow [2021-03-26 00:55:06,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 150 transitions, 332 flow [2021-03-26 00:55:06,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:06,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 150 transitions, 332 flow [2021-03-26 00:55:06,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 150 transitions, 332 flow [2021-03-26 00:55:06,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 150 transitions, 332 flow [2021-03-26 00:55:06,370 INFO L129 PetriNetUnfolder]: 22/189 cut-off events. [2021-03-26 00:55:06,370 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 00:55:06,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 189 events. 22/189 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 571 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 159. Up to 10 conditions per place. [2021-03-26 00:55:06,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 11448 [2021-03-26 00:55:08,502 INFO L154 LiptonReduction]: Checked pairs total: 18705 [2021-03-26 00:55:08,502 INFO L156 LiptonReduction]: Total number of compositions: 84 [2021-03-26 00:55:08,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2144 [2021-03-26 00:55:08,510 INFO L129 PetriNetUnfolder]: 4/50 cut-off events. [2021-03-26 00:55:08,510 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 00:55:08,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:08,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:08,510 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:08,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:08,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1924629019, now seen corresponding path program 1 times [2021-03-26 00:55:08,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:08,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105624917] [2021-03-26 00:55:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:08,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:08,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:08,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:08,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:08,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105624917] [2021-03-26 00:55:08,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:55:08,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:55:08,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342918098] [2021-03-26 00:55:08,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-26 00:55:08,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:08,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-26 00:55:08,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-26 00:55:08,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 234 [2021-03-26 00:55:08,545 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 83 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 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) [2021-03-26 00:55:08,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:08,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 234 [2021-03-26 00:55:08,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:08,552 INFO L129 PetriNetUnfolder]: 8/87 cut-off events. [2021-03-26 00:55:08,552 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 00:55:08,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 87 events. 8/87 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 210 event pairs, 0 based on Foata normal form. 8/82 useless extension candidates. Maximal degree in co-relation 105. Up to 5 conditions per place. [2021-03-26 00:55:08,553 INFO L132 encePairwiseOnDemand]: 230/234 looper letters, 0 selfloop transitions, 0 changer transitions 1/76 dead transitions. [2021-03-26 00:55:08,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 184 flow [2021-03-26 00:55:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-26 00:55:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-26 00:55:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 406 transitions. [2021-03-26 00:55:08,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8675213675213675 [2021-03-26 00:55:08,554 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 406 transitions. [2021-03-26 00:55:08,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 406 transitions. [2021-03-26 00:55:08,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:08,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 406 transitions. [2021-03-26 00:55:08,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 203.0) internal successors, (406), 2 states have internal predecessors, (406), 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) [2021-03-26 00:55:08,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2021-03-26 00:55:08,559 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2021-03-26 00:55:08,559 INFO L185 Difference]: Start difference. First operand has 81 places, 83 transitions, 198 flow. Second operand 2 states and 406 transitions. [2021-03-26 00:55:08,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 184 flow [2021-03-26 00:55:08,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 76 transitions, 172 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-26 00:55:08,562 INFO L241 Difference]: Finished difference. Result has 78 places, 75 transitions, 170 flow [2021-03-26 00:55:08,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=170, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2021-03-26 00:55:08,562 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2021-03-26 00:55:08,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:08,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 75 transitions, 170 flow [2021-03-26 00:55:08,563 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 75 transitions, 170 flow [2021-03-26 00:55:08,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 170 flow [2021-03-26 00:55:08,567 INFO L129 PetriNetUnfolder]: 8/86 cut-off events. [2021-03-26 00:55:08,567 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 00:55:08,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 86 events. 8/86 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 208 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 82. Up to 5 conditions per place. [2021-03-26 00:55:08,569 INFO L142 LiptonReduction]: Number of co-enabled transitions 3666 [2021-03-26 00:55:08,999 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 00:55:09,149 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 00:55:09,498 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:09,702 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 00:55:09,815 INFO L154 LiptonReduction]: Checked pairs total: 6285 [2021-03-26 00:55:09,815 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-26 00:55:09,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1254 [2021-03-26 00:55:09,821 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 150 flow [2021-03-26 00:55:09,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 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) [2021-03-26 00:55:09,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:09,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:09,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:55:09,821 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:09,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:09,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1947122347, now seen corresponding path program 1 times [2021-03-26 00:55:09,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:09,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674669849] [2021-03-26 00:55:09,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:09,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:09,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:09,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:09,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:09,867 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 00:55:09,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:09,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:09,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:09,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674669849] [2021-03-26 00:55:09,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:55:09,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:55:09,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714426560] [2021-03-26 00:55:09,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:55:09,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:09,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:55:09,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:55:09,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 250 [2021-03-26 00:55:09,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2021-03-26 00:55:09,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:09,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 250 [2021-03-26 00:55:09,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:09,890 INFO L129 PetriNetUnfolder]: 7/78 cut-off events. [2021-03-26 00:55:09,890 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 00:55:09,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 78 events. 7/78 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 201 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 86. Up to 9 conditions per place. [2021-03-26 00:55:09,891 INFO L132 encePairwiseOnDemand]: 247/250 looper letters, 8 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2021-03-26 00:55:09,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 66 transitions, 172 flow [2021-03-26 00:55:09,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:55:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:55:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2021-03-26 00:55:09,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7786666666666666 [2021-03-26 00:55:09,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2021-03-26 00:55:09,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2021-03-26 00:55:09,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:09,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2021-03-26 00:55:09,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2021-03-26 00:55:09,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 250.0) internal successors, (1000), 4 states have internal predecessors, (1000), 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) [2021-03-26 00:55:09,896 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 250.0) internal successors, (1000), 4 states have internal predecessors, (1000), 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) [2021-03-26 00:55:09,896 INFO L185 Difference]: Start difference. First operand has 66 places, 65 transitions, 150 flow. Second operand 3 states and 584 transitions. [2021-03-26 00:55:09,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 66 transitions, 172 flow [2021-03-26 00:55:09,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:55:09,900 INFO L241 Difference]: Finished difference. Result has 69 places, 65 transitions, 158 flow [2021-03-26 00:55:09,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2021-03-26 00:55:09,900 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, -12 predicate places. [2021-03-26 00:55:09,900 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:09,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 158 flow [2021-03-26 00:55:09,900 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 158 flow [2021-03-26 00:55:09,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 158 flow [2021-03-26 00:55:09,905 INFO L129 PetriNetUnfolder]: 7/78 cut-off events. [2021-03-26 00:55:09,905 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 00:55:09,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 78 events. 7/78 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 190 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 81. Up to 5 conditions per place. [2021-03-26 00:55:09,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 2968 [2021-03-26 00:55:10,273 INFO L154 LiptonReduction]: Checked pairs total: 6057 [2021-03-26 00:55:10,273 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 00:55:10,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 373 [2021-03-26 00:55:10,274 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 148 flow [2021-03-26 00:55:10,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2021-03-26 00:55:10,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:10,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:10,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:55:10,274 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:10,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:10,275 INFO L82 PathProgramCache]: Analyzing trace with hash 358496817, now seen corresponding path program 1 times [2021-03-26 00:55:10,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:10,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110674020] [2021-03-26 00:55:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:10,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:10,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:10,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:10,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:10,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:55:10,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:10,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:55:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:10,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110674020] [2021-03-26 00:55:10,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:55:10,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:55:10,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369502612] [2021-03-26 00:55:10,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 00:55:10,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:10,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 00:55:10,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 00:55:10,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 264 [2021-03-26 00:55:10,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 59 transitions, 148 flow. Second operand has 8 states, 8 states have (on average 151.5) internal successors, (1212), 8 states have internal predecessors, (1212), 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) [2021-03-26 00:55:10,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:10,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 264 [2021-03-26 00:55:10,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:14,618 INFO L129 PetriNetUnfolder]: 36826/52846 cut-off events. [2021-03-26 00:55:14,618 INFO L130 PetriNetUnfolder]: For 2991/2991 co-relation queries the response was YES. [2021-03-26 00:55:14,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104185 conditions, 52846 events. 36826/52846 cut-off events. For 2991/2991 co-relation queries the response was YES. Maximal size of possible extension queue 3235. Compared 407408 event pairs, 3749 based on Foata normal form. 308/40704 useless extension candidates. Maximal degree in co-relation 104162. Up to 15817 conditions per place. [2021-03-26 00:55:15,056 INFO L132 encePairwiseOnDemand]: 246/264 looper letters, 172 selfloop transitions, 20 changer transitions 0/217 dead transitions. [2021-03-26 00:55:15,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 217 transitions, 871 flow [2021-03-26 00:55:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 00:55:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 00:55:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1551 transitions. [2021-03-26 00:55:15,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2021-03-26 00:55:15,060 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1551 transitions. [2021-03-26 00:55:15,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1551 transitions. [2021-03-26 00:55:15,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:15,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1551 transitions. [2021-03-26 00:55:15,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 172.33333333333334) internal successors, (1551), 9 states have internal predecessors, (1551), 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) [2021-03-26 00:55:15,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 264.0) internal successors, (2640), 10 states have internal predecessors, (2640), 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) [2021-03-26 00:55:15,066 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 264.0) internal successors, (2640), 10 states have internal predecessors, (2640), 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) [2021-03-26 00:55:15,066 INFO L185 Difference]: Start difference. First operand has 63 places, 59 transitions, 148 flow. Second operand 9 states and 1551 transitions. [2021-03-26 00:55:15,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 217 transitions, 871 flow [2021-03-26 00:55:15,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 217 transitions, 857 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:55:15,073 INFO L241 Difference]: Finished difference. Result has 75 places, 78 transitions, 311 flow [2021-03-26 00:55:15,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=75, PETRI_TRANSITIONS=78} [2021-03-26 00:55:15,073 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, -6 predicate places. [2021-03-26 00:55:15,073 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:15,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 78 transitions, 311 flow [2021-03-26 00:55:15,073 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 78 transitions, 311 flow [2021-03-26 00:55:15,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 78 transitions, 311 flow [2021-03-26 00:55:15,225 INFO L129 PetriNetUnfolder]: 591/1775 cut-off events. [2021-03-26 00:55:15,225 INFO L130 PetriNetUnfolder]: For 556/1067 co-relation queries the response was YES. [2021-03-26 00:55:15,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3625 conditions, 1775 events. 591/1775 cut-off events. For 556/1067 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 15311 event pairs, 168 based on Foata normal form. 30/1581 useless extension candidates. Maximal degree in co-relation 3598. Up to 491 conditions per place. [2021-03-26 00:55:15,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 3638 [2021-03-26 00:55:16,443 INFO L154 LiptonReduction]: Checked pairs total: 3868 [2021-03-26 00:55:16,443 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 00:55:16,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1370 [2021-03-26 00:55:16,444 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 71 transitions, 301 flow [2021-03-26 00:55:16,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.5) internal successors, (1212), 8 states have internal predecessors, (1212), 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) [2021-03-26 00:55:16,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:16,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:16,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:55:16,445 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:16,446 INFO L82 PathProgramCache]: Analyzing trace with hash -813525818, now seen corresponding path program 1 times [2021-03-26 00:55:16,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:16,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114788824] [2021-03-26 00:55:16,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:16,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:16,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:55:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:16,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114788824] [2021-03-26 00:55:16,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025733040] [2021-03-26 00:55:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 00:55:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:16,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 00:55:16,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 00:55:16,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 00:55:16,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:55:16,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:16,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:16,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:16,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:16,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:16,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:16,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:55:16,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 00:55:16,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:55:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 00:55:16,661 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 00:55:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:16,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:16,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 00:55:16,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 00:55:16,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129893712] [2021-03-26 00:55:16,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 00:55:16,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:16,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 00:55:16,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-26 00:55:16,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 275 [2021-03-26 00:55:16,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 71 transitions, 301 flow. Second operand has 12 states, 12 states have (on average 156.75) internal successors, (1881), 12 states have internal predecessors, (1881), 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) [2021-03-26 00:55:16,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:16,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 275 [2021-03-26 00:55:16,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:24,359 INFO L129 PetriNetUnfolder]: 62457/86719 cut-off events. [2021-03-26 00:55:24,359 INFO L130 PetriNetUnfolder]: For 54174/60834 co-relation queries the response was YES. [2021-03-26 00:55:24,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216737 conditions, 86719 events. 62457/86719 cut-off events. For 54174/60834 co-relation queries the response was YES. Maximal size of possible extension queue 5277. Compared 658908 event pairs, 4339 based on Foata normal form. 1758/80678 useless extension candidates. Maximal degree in co-relation 216707. Up to 16029 conditions per place. [2021-03-26 00:55:25,534 INFO L132 encePairwiseOnDemand]: 255/275 looper letters, 398 selfloop transitions, 104 changer transitions 0/521 dead transitions. [2021-03-26 00:55:25,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 521 transitions, 2808 flow [2021-03-26 00:55:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 00:55:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 00:55:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4245 transitions. [2021-03-26 00:55:25,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6431818181818182 [2021-03-26 00:55:25,552 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4245 transitions. [2021-03-26 00:55:25,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4245 transitions. [2021-03-26 00:55:25,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:25,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4245 transitions. [2021-03-26 00:55:25,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 176.875) internal successors, (4245), 24 states have internal predecessors, (4245), 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) [2021-03-26 00:55:25,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 275.0) internal successors, (6875), 25 states have internal predecessors, (6875), 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) [2021-03-26 00:55:25,573 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 275.0) internal successors, (6875), 25 states have internal predecessors, (6875), 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) [2021-03-26 00:55:25,573 INFO L185 Difference]: Start difference. First operand has 68 places, 71 transitions, 301 flow. Second operand 24 states and 4245 transitions. [2021-03-26 00:55:25,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 521 transitions, 2808 flow [2021-03-26 00:55:26,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 521 transitions, 2784 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-03-26 00:55:26,167 INFO L241 Difference]: Finished difference. Result has 109 places, 177 transitions, 1434 flow [2021-03-26 00:55:26,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1434, PETRI_PLACES=109, PETRI_TRANSITIONS=177} [2021-03-26 00:55:26,167 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 28 predicate places. [2021-03-26 00:55:26,167 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:26,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 177 transitions, 1434 flow [2021-03-26 00:55:26,167 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 177 transitions, 1434 flow [2021-03-26 00:55:26,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 177 transitions, 1434 flow [2021-03-26 00:55:26,421 INFO L129 PetriNetUnfolder]: 1506/3473 cut-off events. [2021-03-26 00:55:26,421 INFO L130 PetriNetUnfolder]: For 23024/27038 co-relation queries the response was YES. [2021-03-26 00:55:26,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13664 conditions, 3473 events. 1506/3473 cut-off events. For 23024/27038 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 30599 event pairs, 218 based on Foata normal form. 9/2989 useless extension candidates. Maximal degree in co-relation 13617. Up to 1133 conditions per place. [2021-03-26 00:55:26,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 7666 [2021-03-26 00:55:34,722 INFO L154 LiptonReduction]: Checked pairs total: 31879 [2021-03-26 00:55:34,722 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:55:34,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8555 [2021-03-26 00:55:34,723 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 175 transitions, 1430 flow [2021-03-26 00:55:34,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 156.75) internal successors, (1881), 12 states have internal predecessors, (1881), 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) [2021-03-26 00:55:34,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:34,724 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:34,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-26 00:55:34,939 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:34,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:34,939 INFO L82 PathProgramCache]: Analyzing trace with hash -2094512070, now seen corresponding path program 1 times [2021-03-26 00:55:34,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:34,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15970005] [2021-03-26 00:55:34,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:34,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:34,974 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 00:55:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:55:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 00:55:34,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15970005] [2021-03-26 00:55:34,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:55:34,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:55:34,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730816003] [2021-03-26 00:55:34,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:55:34,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:34,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:55:34,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:55:34,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 277 [2021-03-26 00:55:34,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 175 transitions, 1430 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2021-03-26 00:55:34,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:34,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 277 [2021-03-26 00:55:34,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:35,344 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([809] L1028-1-->L1026-1: Formula: (= v_~next~0_6 v_thrThread2of4ForFork0_~end~0_11) InVars {thrThread2of4ForFork0_~end~0=v_thrThread2of4ForFork0_~end~0_11} OutVars{thrThread2of4ForFork0_~end~0=v_thrThread2of4ForFork0_~end~0_11, ~next~0=v_~next~0_6} AuxVars[] AssignedVars[~next~0][50], [64#L1026-1true, 132#L1032-1true, thrThread1of4ForFork0InUse, 396#true, thrThread2of4ForFork0InUse, 205#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), thrThread3of4ForFork0InUse, 79#L1046-2true, thrThread4of4ForFork0InUse, 81#L1026-1true, Black: 209#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 200#(= ~next~0 0), Black: 201#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 202#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 203#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 450#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 452#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 454#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 423#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 456#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 458#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 427#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 101#L1026-1true, Black: 460#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 462#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 464#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 401#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 466#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 470#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), Black: 407#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 474#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 476#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 446#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 956#true]) [2021-03-26 00:55:35,344 INFO L384 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2021-03-26 00:55:35,344 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 00:55:35,344 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-26 00:55:35,344 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 00:55:35,346 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([836] L1028-1-->L1026-1: Formula: (= v_~next~0_6 v_thrThread3of4ForFork0_~end~0_11) InVars {thrThread3of4ForFork0_~end~0=v_thrThread3of4ForFork0_~end~0_11} OutVars{~next~0=v_~next~0_6, thrThread3of4ForFork0_~end~0=v_thrThread3of4ForFork0_~end~0_11} AuxVars[] AssignedVars[~next~0][85], [64#L1026-1true, 67#L1027true, 132#L1032-1true, thrThread1of4ForFork0InUse, 396#true, thrThread2of4ForFork0InUse, 205#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), thrThread3of4ForFork0InUse, 79#L1046-2true, thrThread4of4ForFork0InUse, Black: 209#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 200#(= ~next~0 0), Black: 201#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 202#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 203#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 450#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 452#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 454#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 423#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 456#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 458#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 427#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 101#L1026-1true, Black: 460#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 462#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 464#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 401#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 466#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 470#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), Black: 407#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 474#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 476#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 446#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 958#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0))]) [2021-03-26 00:55:35,346 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-26 00:55:35,346 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 00:55:35,346 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 00:55:35,347 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 00:55:35,348 INFO L129 PetriNetUnfolder]: 1998/4582 cut-off events. [2021-03-26 00:55:35,348 INFO L130 PetriNetUnfolder]: For 28341/32661 co-relation queries the response was YES. [2021-03-26 00:55:35,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18099 conditions, 4582 events. 1998/4582 cut-off events. For 28341/32661 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 42072 event pairs, 345 based on Foata normal form. 179/4035 useless extension candidates. Maximal degree in co-relation 18050. Up to 1500 conditions per place. [2021-03-26 00:55:35,410 INFO L132 encePairwiseOnDemand]: 273/277 looper letters, 26 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2021-03-26 00:55:35,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 176 transitions, 1488 flow [2021-03-26 00:55:35,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:55:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:55:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 656 transitions. [2021-03-26 00:55:35,411 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.789410348977136 [2021-03-26 00:55:35,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 656 transitions. [2021-03-26 00:55:35,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 656 transitions. [2021-03-26 00:55:35,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:35,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 656 transitions. [2021-03-26 00:55:35,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 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) [2021-03-26 00:55:35,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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) [2021-03-26 00:55:35,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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) [2021-03-26 00:55:35,414 INFO L185 Difference]: Start difference. First operand has 107 places, 175 transitions, 1430 flow. Second operand 3 states and 656 transitions. [2021-03-26 00:55:35,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 176 transitions, 1488 flow [2021-03-26 00:55:35,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 176 transitions, 1205 flow, removed 125 selfloop flow, removed 4 redundant places. [2021-03-26 00:55:35,460 INFO L241 Difference]: Finished difference. Result has 106 places, 175 transitions, 1157 flow [2021-03-26 00:55:35,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=1147, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1157, PETRI_PLACES=106, PETRI_TRANSITIONS=175} [2021-03-26 00:55:35,460 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 25 predicate places. [2021-03-26 00:55:35,461 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:55:35,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 175 transitions, 1157 flow [2021-03-26 00:55:35,461 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 175 transitions, 1157 flow [2021-03-26 00:55:35,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 175 transitions, 1157 flow [2021-03-26 00:55:35,720 INFO L129 PetriNetUnfolder]: 1736/4030 cut-off events. [2021-03-26 00:55:35,720 INFO L130 PetriNetUnfolder]: For 26160/28787 co-relation queries the response was YES. [2021-03-26 00:55:35,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15063 conditions, 4030 events. 1736/4030 cut-off events. For 26160/28787 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 37098 event pairs, 299 based on Foata normal form. 12/3567 useless extension candidates. Maximal degree in co-relation 15015. Up to 824 conditions per place. [2021-03-26 00:55:35,806 INFO L142 LiptonReduction]: Number of co-enabled transitions 7098 [2021-03-26 00:55:43,980 INFO L154 LiptonReduction]: Checked pairs total: 14405 [2021-03-26 00:55:43,980 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:55:43,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8519 [2021-03-26 00:55:43,981 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 175 transitions, 1157 flow [2021-03-26 00:55:43,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2021-03-26 00:55:43,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:55:43,981 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:55:43,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:55:43,982 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:55:43,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:55:43,982 INFO L82 PathProgramCache]: Analyzing trace with hash -813319358, now seen corresponding path program 1 times [2021-03-26 00:55:43,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:55:43,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484058818] [2021-03-26 00:55:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:55:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:44,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:44,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:44,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:55:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:44,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484058818] [2021-03-26 00:55:44,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478540986] [2021-03-26 00:55:44,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 00:55:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:55:44,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 00:55:44,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 00:55:44,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 00:55:44,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:55:44,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:55:44,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:44,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:44,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:44,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:44,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:55:44,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:55:44,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:55:44,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 00:55:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:55:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 00:55:44,150 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 00:55:44,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:44,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:55:44,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:55:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:55:44,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 00:55:44,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-26 00:55:44,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202623842] [2021-03-26 00:55:44,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 00:55:44,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:55:44,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 00:55:44,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-26 00:55:44,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 277 [2021-03-26 00:55:44,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 175 transitions, 1157 flow. Second operand has 13 states, 13 states have (on average 156.6153846153846) internal successors, (2036), 13 states have internal predecessors, (2036), 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) [2021-03-26 00:55:44,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:55:44,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 277 [2021-03-26 00:55:44,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:55:57,352 INFO L129 PetriNetUnfolder]: 81435/112270 cut-off events. [2021-03-26 00:55:57,352 INFO L130 PetriNetUnfolder]: For 590785/602977 co-relation queries the response was YES. [2021-03-26 00:55:58,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 404480 conditions, 112270 events. 81435/112270 cut-off events. For 590785/602977 co-relation queries the response was YES. Maximal size of possible extension queue 6117. Compared 845884 event pairs, 5145 based on Foata normal form. 1653/92199 useless extension candidates. Maximal degree in co-relation 404429. Up to 17708 conditions per place. [2021-03-26 00:55:58,886 INFO L132 encePairwiseOnDemand]: 257/277 looper letters, 451 selfloop transitions, 163 changer transitions 0/631 dead transitions. [2021-03-26 00:55:58,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 631 transitions, 5267 flow [2021-03-26 00:55:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 00:55:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 00:55:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4761 transitions. [2021-03-26 00:55:58,894 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6365824308062575 [2021-03-26 00:55:58,894 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4761 transitions. [2021-03-26 00:55:58,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4761 transitions. [2021-03-26 00:55:58,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:55:58,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4761 transitions. [2021-03-26 00:55:58,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 176.33333333333334) internal successors, (4761), 27 states have internal predecessors, (4761), 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) [2021-03-26 00:55:58,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 277.0) internal successors, (7756), 28 states have internal predecessors, (7756), 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) [2021-03-26 00:55:59,066 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 277.0) internal successors, (7756), 28 states have internal predecessors, (7756), 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) [2021-03-26 00:55:59,066 INFO L185 Difference]: Start difference. First operand has 106 places, 175 transitions, 1157 flow. Second operand 27 states and 4761 transitions. [2021-03-26 00:55:59,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 631 transitions, 5267 flow [2021-03-26 00:56:03,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 631 transitions, 5219 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:56:03,435 INFO L241 Difference]: Finished difference. Result has 138 places, 243 transitions, 2369 flow [2021-03-26 00:56:03,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2369, PETRI_PLACES=138, PETRI_TRANSITIONS=243} [2021-03-26 00:56:03,436 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 57 predicate places. [2021-03-26 00:56:03,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:56:03,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 243 transitions, 2369 flow [2021-03-26 00:56:03,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 243 transitions, 2369 flow [2021-03-26 00:56:03,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 243 transitions, 2369 flow [2021-03-26 00:56:03,857 INFO L129 PetriNetUnfolder]: 2485/5518 cut-off events. [2021-03-26 00:56:03,857 INFO L130 PetriNetUnfolder]: For 66258/70927 co-relation queries the response was YES. [2021-03-26 00:56:03,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27596 conditions, 5518 events. 2485/5518 cut-off events. For 66258/70927 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 52177 event pairs, 380 based on Foata normal form. 115/4977 useless extension candidates. Maximal degree in co-relation 27539. Up to 1210 conditions per place. [2021-03-26 00:56:03,982 INFO L142 LiptonReduction]: Number of co-enabled transitions 9996 [2021-03-26 00:56:49,023 INFO L154 LiptonReduction]: Checked pairs total: 66978 [2021-03-26 00:56:49,023 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:56:49,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45587 [2021-03-26 00:56:49,034 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 243 transitions, 2374 flow [2021-03-26 00:56:49,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 156.6153846153846) internal successors, (2036), 13 states have internal predecessors, (2036), 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) [2021-03-26 00:56:49,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:56:49,034 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:56:49,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-26 00:56:49,249 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 00:56:49,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:56:49,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1483758084, now seen corresponding path program 1 times [2021-03-26 00:56:49,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:56:49,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295816533] [2021-03-26 00:56:49,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:56:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:56:49,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:56:49,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:56:49,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:56:49,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:56:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:56:49,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 00:56:49,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:56:49,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:56:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 00:56:49,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295816533] [2021-03-26 00:56:49,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:56:49,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:56:49,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858933802] [2021-03-26 00:56:49,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:56:49,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:56:49,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:56:49,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:56:49,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 278 [2021-03-26 00:56:49,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 243 transitions, 2374 flow. Second operand has 6 states, 6 states have (on average 161.33333333333334) internal successors, (968), 6 states have internal predecessors, (968), 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) [2021-03-26 00:56:49,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:56:49,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 278 [2021-03-26 00:56:49,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:57:11,781 INFO L129 PetriNetUnfolder]: 130389/187983 cut-off events. [2021-03-26 00:57:11,782 INFO L130 PetriNetUnfolder]: For 1752370/1788996 co-relation queries the response was YES. [2021-03-26 00:57:13,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 798517 conditions, 187983 events. 130389/187983 cut-off events. For 1752370/1788996 co-relation queries the response was YES. Maximal size of possible extension queue 11269. Compared 1628946 event pairs, 33408 based on Foata normal form. 444/157846 useless extension candidates. Maximal degree in co-relation 793302. Up to 97236 conditions per place. [2021-03-26 00:57:15,290 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 460 selfloop transitions, 21 changer transitions 0/501 dead transitions. [2021-03-26 00:57:15,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 501 transitions, 5891 flow [2021-03-26 00:57:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:57:15,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:57:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1083 transitions. [2021-03-26 00:57:15,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6492805755395683 [2021-03-26 00:57:15,293 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1083 transitions. [2021-03-26 00:57:15,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1083 transitions. [2021-03-26 00:57:15,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:57:15,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1083 transitions. [2021-03-26 00:57:15,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.5) internal successors, (1083), 6 states have internal predecessors, (1083), 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) [2021-03-26 00:57:15,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 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) [2021-03-26 00:57:15,306 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 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) [2021-03-26 00:57:15,306 INFO L185 Difference]: Start difference. First operand has 138 places, 243 transitions, 2374 flow. Second operand 6 states and 1083 transitions. [2021-03-26 00:57:15,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 501 transitions, 5891 flow [2021-03-26 00:57:57,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 501 transitions, 5129 flow, removed 240 selfloop flow, removed 16 redundant places. [2021-03-26 00:57:57,859 INFO L241 Difference]: Finished difference. Result has 129 places, 252 transitions, 2106 flow [2021-03-26 00:57:57,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1986, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2106, PETRI_PLACES=129, PETRI_TRANSITIONS=252} [2021-03-26 00:57:57,860 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 48 predicate places. [2021-03-26 00:57:57,860 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:57:57,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 252 transitions, 2106 flow [2021-03-26 00:57:57,860 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 252 transitions, 2106 flow [2021-03-26 00:57:57,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 252 transitions, 2106 flow [2021-03-26 00:57:58,440 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([809] L1028-1-->L1026-1: Formula: (= v_~next~0_6 v_thrThread2of4ForFork0_~end~0_11) InVars {thrThread2of4ForFork0_~end~0=v_thrThread2of4ForFork0_~end~0_11} OutVars{thrThread2of4ForFork0_~end~0=v_thrThread2of4ForFork0_~end~0_11, ~next~0=v_~next~0_6} AuxVars[] AssignedVars[~next~0][70], [64#L1026-1true, Black: 958#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), Black: 1664#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 1666#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), 198#true, thrThread1of4ForFork0InUse, 1164#true, 396#true, thrThread2of4ForFork0InUse, 77#L1013true, thrThread3of4ForFork0InUse, 79#L1046-2true, thrThread4of4ForFork0InUse, 81#L1026-1true, Black: 209#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 200#(= ~next~0 0), Black: 201#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 202#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 203#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 205#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 450#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 452#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 454#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 423#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 456#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 458#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 427#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 101#L1026-1true, Black: 460#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 1239#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 1192#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 462#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 464#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 1176#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 401#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 1225#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 466#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 1241#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 1243#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 468#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 1215#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 470#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), Black: 407#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 1231#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 474#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 476#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 446#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 1661#true]) [2021-03-26 00:57:58,440 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 00:57:58,440 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 00:57:58,440 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 00:57:58,441 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 00:57:58,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([809] L1028-1-->L1026-1: Formula: (= v_~next~0_6 v_thrThread2of4ForFork0_~end~0_11) InVars {thrThread2of4ForFork0_~end~0=v_thrThread2of4ForFork0_~end~0_11} OutVars{thrThread2of4ForFork0_~end~0=v_thrThread2of4ForFork0_~end~0_11, ~next~0=v_~next~0_6} AuxVars[] AssignedVars[~next~0][70], [64#L1026-1true, Black: 958#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), Black: 1664#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 1666#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), 198#true, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 1164#true, 396#true, thrThread3of4ForFork0InUse, 79#L1046-2true, thrThread4of4ForFork0InUse, 81#L1026-1true, Black: 209#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 200#(= ~next~0 0), Black: 201#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 202#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 203#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 205#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), 27#L1026-1true, Black: 450#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 452#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 454#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 423#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 456#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 458#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 427#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), Black: 460#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 1239#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), 101#L1026-1true, Black: 1192#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 462#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 464#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 1176#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 401#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 1225#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 466#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 1241#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 1243#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 468#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 1215#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 470#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), Black: 407#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 1231#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 474#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 476#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 446#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 1661#true]) [2021-03-26 00:57:58,540 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-26 00:57:58,540 INFO L387 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2021-03-26 00:57:58,540 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 00:57:58,540 INFO L387 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2021-03-26 00:57:58,846 INFO L129 PetriNetUnfolder]: 5203/11717 cut-off events. [2021-03-26 00:57:58,846 INFO L130 PetriNetUnfolder]: For 134288/140180 co-relation queries the response was YES. [2021-03-26 00:57:58,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55615 conditions, 11717 events. 5203/11717 cut-off events. For 134288/140180 co-relation queries the response was YES. Maximal size of possible extension queue 1132. Compared 126240 event pairs, 767 based on Foata normal form. 190/10541 useless extension candidates. Maximal degree in co-relation 55555. Up to 2132 conditions per place. [2021-03-26 00:57:59,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 10910 [2021-03-26 01:01:29,437 INFO L154 LiptonReduction]: Checked pairs total: 27059 [2021-03-26 01:01:29,437 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:01:29,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211577 [2021-03-26 01:01:29,439 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 252 transitions, 2106 flow [2021-03-26 01:01:29,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 161.33333333333334) internal successors, (968), 6 states have internal predecessors, (968), 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) [2021-03-26 01:01:29,439 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:01:29,439 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:01:29,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 01:01:29,439 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 01:01:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:01:29,440 INFO L82 PathProgramCache]: Analyzing trace with hash 556898007, now seen corresponding path program 2 times [2021-03-26 01:01:29,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:01:29,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589354063] [2021-03-26 01:01:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:01:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:01:29,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 01:01:29,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 01:01:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:01:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:01:29,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589354063] [2021-03-26 01:01:29,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516924349] [2021-03-26 01:01:29,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 01:01:29,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 01:01:29,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 01:01:29,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 01:01:29,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 01:01:29,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:01:29,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 01:01:29,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:01:29,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 01:01:29,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:01:29,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:01:29,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 01:01:29,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:01:29,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:01:29,659 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 01:01:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:01:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:01:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:01:29,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 01:01:29,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-03-26 01:01:29,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947628401] [2021-03-26 01:01:29,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:01:29,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:01:29,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:01:29,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:01:29,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 278 [2021-03-26 01:01:29,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 252 transitions, 2106 flow. Second operand has 14 states, 14 states have (on average 156.57142857142858) internal successors, (2192), 14 states have internal predecessors, (2192), 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) [2021-03-26 01:01:29,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:01:29,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 278 [2021-03-26 01:01:29,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:02:05,512 INFO L129 PetriNetUnfolder]: 182367/253597 cut-off events. [2021-03-26 01:02:05,512 INFO L130 PetriNetUnfolder]: For 2466312/2489597 co-relation queries the response was YES. [2021-03-26 01:02:08,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1106638 conditions, 253597 events. 182367/253597 cut-off events. For 2466312/2489597 co-relation queries the response was YES. Maximal size of possible extension queue 14286. Compared 2111837 event pairs, 10235 based on Foata normal form. 3865/213713 useless extension candidates. Maximal degree in co-relation 1106575. Up to 31503 conditions per place. [2021-03-26 01:02:10,745 INFO L132 encePairwiseOnDemand]: 257/278 looper letters, 563 selfloop transitions, 246 changer transitions 0/827 dead transitions. [2021-03-26 01:02:10,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 827 transitions, 8347 flow [2021-03-26 01:02:10,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-26 01:02:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-26 01:02:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5296 transitions. [2021-03-26 01:02:10,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6350119904076739 [2021-03-26 01:02:10,761 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5296 transitions. [2021-03-26 01:02:10,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5296 transitions. [2021-03-26 01:02:10,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:02:10,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5296 transitions. [2021-03-26 01:02:10,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 176.53333333333333) internal successors, (5296), 30 states have internal predecessors, (5296), 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) [2021-03-26 01:02:10,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 278.0) internal successors, (8618), 31 states have internal predecessors, (8618), 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) [2021-03-26 01:02:10,818 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 278.0) internal successors, (8618), 31 states have internal predecessors, (8618), 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) [2021-03-26 01:02:10,818 INFO L185 Difference]: Start difference. First operand has 129 places, 252 transitions, 2106 flow. Second operand 30 states and 5296 transitions. [2021-03-26 01:02:10,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 827 transitions, 8347 flow [2021-03-26 01:03:02,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 827 transitions, 8286 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 01:03:02,875 INFO L241 Difference]: Finished difference. Result has 164 places, 340 transitions, 3956 flow [2021-03-26 01:03:02,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=2093, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=3956, PETRI_PLACES=164, PETRI_TRANSITIONS=340} [2021-03-26 01:03:02,875 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 83 predicate places. [2021-03-26 01:03:02,875 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:03:02,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 340 transitions, 3956 flow [2021-03-26 01:03:02,875 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 340 transitions, 3956 flow [2021-03-26 01:03:02,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 340 transitions, 3956 flow [2021-03-26 01:03:04,448 INFO L129 PetriNetUnfolder]: 6611/14657 cut-off events. [2021-03-26 01:03:04,448 INFO L130 PetriNetUnfolder]: For 283893/292043 co-relation queries the response was YES. [2021-03-26 01:03:04,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92255 conditions, 14657 events. 6611/14657 cut-off events. For 283893/292043 co-relation queries the response was YES. Maximal size of possible extension queue 1382. Compared 162092 event pairs, 802 based on Foata normal form. 296/13362 useless extension candidates. Maximal degree in co-relation 92187. Up to 2945 conditions per place. [2021-03-26 01:03:04,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 14888 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown