/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-RepeatedSemanticLbeWithDisjunctivePredicates.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 10:47:12,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:47:12,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:47:13,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:47:13,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:47:13,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:47:13,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:47:13,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:47:13,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:47:13,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:47:13,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:47:13,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:47:13,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:47:13,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:47:13,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:47:13,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:47:13,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:47:13,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:47:13,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:47:13,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:47:13,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:47:13,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:47:13,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:47:13,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:47:13,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:47:13,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:47:13,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:47:13,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:47:13,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:47:13,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:47:13,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:47:13,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:47:13,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:47:13,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:47:13,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:47:13,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:47:13,070 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:47:13,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:47:13,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:47:13,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:47:13,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:47:13,109 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:47:13,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:47:13,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:47:13,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:47:13,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:47:13,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:47:13,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:47:13,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:47:13,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:47:13,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:47:13,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:47:13,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:47:13,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:47:13,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:47:13,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:47:13,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:47:13,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:47:13,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:47:13,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:47:13,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:47:13,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:47:13,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:47:13,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:47:13,113 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:47:13,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:47:13,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:47:13,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:47:13,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:47:13,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:47:13,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:47:13,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:47:13,469 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:47:13,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2021-03-26 10:47:13,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142671a35/ee85bbb631034190b6f51501b42989fa/FLAGeb4839234 [2021-03-26 10:47:14,019 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:47:14,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2021-03-26 10:47:14,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142671a35/ee85bbb631034190b6f51501b42989fa/FLAGeb4839234 [2021-03-26 10:47:14,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142671a35/ee85bbb631034190b6f51501b42989fa [2021-03-26 10:47:14,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:47:14,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:47:14,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:47:14,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:47:14,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:47:14,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:47:14" (1/1) ... [2021-03-26 10:47:14,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717a8336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:14, skipping insertion in model container [2021-03-26 10:47:14,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:47:14" (1/1) ... [2021-03-26 10:47:14,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:47:14,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:47:14,868 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 10:47:14,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:47:14,894 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:47:14,943 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 10:47:14,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:47:15,079 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:47:15,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15 WrapperNode [2021-03-26 10:47:15,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:47:15,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:47:15,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:47:15,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:47:15,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:47:15,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:47:15,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:47:15,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:47:15,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (1/1) ... [2021-03-26 10:47:15,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:47:15,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:47:15,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:47:15,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:47:15,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (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 10:47:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-03-26 10:47:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-03-26 10:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:47:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:47:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:47:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:47:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-03-26 10:47:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:47:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:47:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:47:15,258 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 10:47:15,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:47:15,597 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-03-26 10:47:15,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:47:15 BoogieIcfgContainer [2021-03-26 10:47:15,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:47:15,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:47:15,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:47:15,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:47:15,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:47:14" (1/3) ... [2021-03-26 10:47:15,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1320b1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:47:15, skipping insertion in model container [2021-03-26 10:47:15,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:47:15" (2/3) ... [2021-03-26 10:47:15,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1320b1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:47:15, skipping insertion in model container [2021-03-26 10:47:15,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:47:15" (3/3) ... [2021-03-26 10:47:15,604 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12.i [2021-03-26 10:47:15,608 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:47:15,616 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:47:15,616 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:47:15,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,639 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,639 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,640 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,642 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,642 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,646 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,646 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,646 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,646 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,646 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,646 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,648 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,648 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,648 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,648 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,648 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,650 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,650 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,650 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,650 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,651 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,651 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,651 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,651 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,651 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,651 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:15,653 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:47:15,669 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-26 10:47:15,684 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:47:15,685 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:47:15,685 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:47:15,685 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:47:15,685 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:47:15,685 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:47:15,685 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:47:15,685 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:47:15,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 66 transitions, 137 flow [2021-03-26 10:47:15,724 INFO L129 PetriNetUnfolder]: 7/75 cut-off events. [2021-03-26 10:47:15,724 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:47:15,727 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 10:47:15,728 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 66 transitions, 137 flow [2021-03-26 10:47:15,732 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 66 transitions, 137 flow [2021-03-26 10:47:15,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:15,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 66 transitions, 137 flow [2021-03-26 10:47:15,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 66 transitions, 137 flow [2021-03-26 10:47:15,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 66 transitions, 137 flow [2021-03-26 10:47:15,763 INFO L129 PetriNetUnfolder]: 7/75 cut-off events. [2021-03-26 10:47:15,763 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:47:15,764 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 10:47:15,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 594 [2021-03-26 10:47:17,667 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-26 10:47:18,128 INFO L154 LiptonReduction]: Checked pairs total: 235 [2021-03-26 10:47:18,128 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-26 10:47:18,130 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2398 [2021-03-26 10:47:18,140 INFO L129 PetriNetUnfolder]: 2/24 cut-off events. [2021-03-26 10:47:18,140 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:47:18,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:18,141 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:18,141 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:47:18,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:18,145 INFO L82 PathProgramCache]: Analyzing trace with hash -192698568, now seen corresponding path program 1 times [2021-03-26 10:47:18,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:18,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462324033] [2021-03-26 10:47:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:18,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:18,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:18,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:18,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:18,270 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 10:47:18,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462324033] [2021-03-26 10:47:18,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:18,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:47:18,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45818646] [2021-03-26 10:47:18,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-26 10:47:18,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:18,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-26 10:47:18,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-26 10:47:18,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 114 [2021-03-26 10:47:18,292 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 10:47:18,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:18,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 114 [2021-03-26 10:47:18,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:18,300 INFO L129 PetriNetUnfolder]: 2/24 cut-off events. [2021-03-26 10:47:18,300 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:47:18,300 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 10:47:18,301 INFO L132 encePairwiseOnDemand]: 112/114 looper letters, 0 selfloop transitions, 0 changer transitions 1/22 dead transitions. [2021-03-26 10:47:18,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 22 transitions, 49 flow [2021-03-26 10:47:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-26 10:47:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-26 10:47:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2021-03-26 10:47:18,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9035087719298246 [2021-03-26 10:47:18,311 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 206 transitions. [2021-03-26 10:47:18,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 206 transitions. [2021-03-26 10:47:18,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:18,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 206 transitions. [2021-03-26 10:47:18,316 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 10:47:18,320 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 10:47:18,321 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 10:47:18,322 INFO L185 Difference]: Start difference. First operand has 27 places, 27 transitions, 59 flow. Second operand 2 states and 206 transitions. [2021-03-26 10:47:18,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 22 transitions, 49 flow [2021-03-26 10:47:18,325 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 10:47:18,325 INFO L241 Difference]: Finished difference. Result has 24 places, 21 transitions, 47 flow [2021-03-26 10:47:18,327 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 10:47:18,327 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -3 predicate places. [2021-03-26 10:47:18,327 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:18,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 21 transitions, 47 flow [2021-03-26 10:47:18,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 21 transitions, 47 flow [2021-03-26 10:47:18,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 21 transitions, 47 flow [2021-03-26 10:47:18,331 INFO L129 PetriNetUnfolder]: 2/23 cut-off events. [2021-03-26 10:47:18,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:47:18,332 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 10:47:18,332 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 10:47:18,511 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:18,731 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:19,284 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:19,387 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:47:19,587 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:19,839 INFO L154 LiptonReduction]: Checked pairs total: 41 [2021-03-26 10:47:19,839 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 10:47:19,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1512 [2021-03-26 10:47:19,840 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 16 transitions, 37 flow [2021-03-26 10:47:19,841 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 10:47:19,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:19,841 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:19,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:47:19,841 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:47:19,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:19,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1829381902, now seen corresponding path program 1 times [2021-03-26 10:47:19,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:19,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992842949] [2021-03-26 10:47:19,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:47:19,875 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:47:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:47:19,903 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:47:19,932 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:47:19,932 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:47:19,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:47:19,934 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 10:47:19,934 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,948 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,949 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,950 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,950 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,950 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,950 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,951 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,952 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,955 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,955 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,956 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,956 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,958 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,959 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,960 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,961 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,962 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,963 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,963 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,963 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,963 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,963 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,964 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,965 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,966 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,966 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,966 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,968 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,969 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,969 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,970 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,970 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,971 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,971 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,971 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,972 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:19,972 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 10:47:19,973 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:47:19,974 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 10:47:19,978 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:47:19,978 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:47:19,978 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:47:19,978 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:47:19,978 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:47:19,978 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:47:19,979 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:47:19,979 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:47:19,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 94 transitions, 200 flow [2021-03-26 10:47:20,006 INFO L129 PetriNetUnfolder]: 12/113 cut-off events. [2021-03-26 10:47:20,006 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:47:20,007 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 10:47:20,008 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 94 transitions, 200 flow [2021-03-26 10:47:20,010 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 94 transitions, 200 flow [2021-03-26 10:47:20,010 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:20,010 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 94 transitions, 200 flow [2021-03-26 10:47:20,010 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 94 transitions, 200 flow [2021-03-26 10:47:20,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 94 transitions, 200 flow [2021-03-26 10:47:20,033 INFO L129 PetriNetUnfolder]: 12/113 cut-off events. [2021-03-26 10:47:20,034 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:47:20,036 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 10:47:20,038 INFO L142 LiptonReduction]: Number of co-enabled transitions 2700 [2021-03-26 10:47:21,876 INFO L154 LiptonReduction]: Checked pairs total: 4198 [2021-03-26 10:47:21,877 INFO L156 LiptonReduction]: Total number of compositions: 54 [2021-03-26 10:47:21,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1870 [2021-03-26 10:47:21,888 INFO L129 PetriNetUnfolder]: 4/47 cut-off events. [2021-03-26 10:47:21,888 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:47:21,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:21,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:21,890 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 10:47:21,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:21,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1786291316, now seen corresponding path program 1 times [2021-03-26 10:47:21,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:21,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107504439] [2021-03-26 10:47:21,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:21,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:21,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:21,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:21,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:21,996 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 10:47:21,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:21,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:21,998 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 10:47:21,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107504439] [2021-03-26 10:47:21,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:21,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:47:21,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946788478] [2021-03-26 10:47:21,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:47:21,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:22,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:47:22,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:47:22,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 148 [2021-03-26 10:47:22,003 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 10:47:22,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:22,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 148 [2021-03-26 10:47:22,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:22,029 INFO L129 PetriNetUnfolder]: 3/51 cut-off events. [2021-03-26 10:47:22,030 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 10:47:22,031 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 10:47:22,031 INFO L132 encePairwiseOnDemand]: 141/148 looper letters, 8 selfloop transitions, 2 changer transitions 1/44 dead transitions. [2021-03-26 10:47:22,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 120 flow [2021-03-26 10:47:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:47:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:47:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2021-03-26 10:47:22,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7815315315315315 [2021-03-26 10:47:22,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 347 transitions. [2021-03-26 10:47:22,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 347 transitions. [2021-03-26 10:47:22,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:22,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 347 transitions. [2021-03-26 10:47:22,042 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 10:47:22,045 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 10:47:22,045 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 10:47:22,045 INFO L185 Difference]: Start difference. First operand has 49 places, 51 transitions, 114 flow. Second operand 3 states and 347 transitions. [2021-03-26 10:47:22,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 120 flow [2021-03-26 10:47:22,046 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 10:47:22,047 INFO L241 Difference]: Finished difference. Result has 47 places, 42 transitions, 102 flow [2021-03-26 10:47:22,047 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 10:47:22,047 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2021-03-26 10:47:22,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:22,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 42 transitions, 102 flow [2021-03-26 10:47:22,047 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 42 transitions, 102 flow [2021-03-26 10:47:22,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 102 flow [2021-03-26 10:47:22,051 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-03-26 10:47:22,052 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:47:22,052 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 10:47:22,053 INFO L142 LiptonReduction]: Number of co-enabled transitions 800 [2021-03-26 10:47:22,406 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:22,574 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:22,921 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:23,171 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:23,269 INFO L154 LiptonReduction]: Checked pairs total: 1332 [2021-03-26 10:47:23,269 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 10:47:23,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1223 [2021-03-26 10:47:23,270 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 88 flow [2021-03-26 10:47:23,271 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 10:47:23,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:23,271 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:23,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:47:23,271 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 10:47:23,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:23,272 INFO L82 PathProgramCache]: Analyzing trace with hash -657557200, now seen corresponding path program 1 times [2021-03-26 10:47:23,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:23,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159839976] [2021-03-26 10:47:23,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:47:23,286 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:47:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:47:23,295 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:47:23,300 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:47:23,300 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:47:23,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:47:23,300 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 10:47:23,301 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-26 10:47:23,310 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,310 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,310 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,311 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,312 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,313 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,314 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,315 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,316 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,317 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,318 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,319 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,320 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,321 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,322 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,323 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,324 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,325 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,326 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,327 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,327 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,327 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,328 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,328 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,329 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,329 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,330 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:23,332 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:47:23,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:47:23,333 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:47:23,333 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:47:23,333 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:47:23,333 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:47:23,333 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:47:23,333 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:47:23,333 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:47:23,334 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:47:23,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 122 transitions, 265 flow [2021-03-26 10:47:23,347 INFO L129 PetriNetUnfolder]: 17/151 cut-off events. [2021-03-26 10:47:23,347 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 10:47:23,348 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 10:47:23,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 122 transitions, 265 flow [2021-03-26 10:47:23,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 122 transitions, 265 flow [2021-03-26 10:47:23,350 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:23,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 122 transitions, 265 flow [2021-03-26 10:47:23,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 122 transitions, 265 flow [2021-03-26 10:47:23,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 122 transitions, 265 flow [2021-03-26 10:47:23,362 INFO L129 PetriNetUnfolder]: 17/151 cut-off events. [2021-03-26 10:47:23,362 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 10:47:23,363 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 10:47:23,366 INFO L142 LiptonReduction]: Number of co-enabled transitions 6318 [2021-03-26 10:47:25,518 INFO L154 LiptonReduction]: Checked pairs total: 10198 [2021-03-26 10:47:25,518 INFO L156 LiptonReduction]: Total number of compositions: 68 [2021-03-26 10:47:25,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2169 [2021-03-26 10:47:25,524 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 10:47:25,524 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:47:25,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:25,525 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:25,525 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 10:47:25,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:25,525 INFO L82 PathProgramCache]: Analyzing trace with hash 127399441, now seen corresponding path program 1 times [2021-03-26 10:47:25,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:25,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055392609] [2021-03-26 10:47:25,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:25,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:25,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:25,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:25,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:25,583 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 10:47:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:25,584 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 10:47:25,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055392609] [2021-03-26 10:47:25,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:25,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:47:25,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073978124] [2021-03-26 10:47:25,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:47:25,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:25,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:47:25,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:47:25,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 190 [2021-03-26 10:47:25,586 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 10:47:25,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:25,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 190 [2021-03-26 10:47:25,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:25,606 INFO L129 PetriNetUnfolder]: 5/72 cut-off events. [2021-03-26 10:47:25,606 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 10:47:25,606 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 10:47:25,607 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 9 selfloop transitions, 2 changer transitions 1/62 dead transitions. [2021-03-26 10:47:25,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 62 transitions, 167 flow [2021-03-26 10:47:25,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:47:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:47:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2021-03-26 10:47:25,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7947368421052632 [2021-03-26 10:47:25,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 453 transitions. [2021-03-26 10:47:25,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 453 transitions. [2021-03-26 10:47:25,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:25,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 453 transitions. [2021-03-26 10:47:25,613 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 10:47:25,615 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 10:47:25,615 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 10:47:25,615 INFO L185 Difference]: Start difference. First operand has 66 places, 68 transitions, 157 flow. Second operand 3 states and 453 transitions. [2021-03-26 10:47:25,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 62 transitions, 167 flow [2021-03-26 10:47:25,616 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 10:47:25,617 INFO L241 Difference]: Finished difference. Result has 65 places, 60 transitions, 143 flow [2021-03-26 10:47:25,617 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 10:47:25,617 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -1 predicate places. [2021-03-26 10:47:25,617 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:25,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 60 transitions, 143 flow [2021-03-26 10:47:25,618 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 60 transitions, 143 flow [2021-03-26 10:47:25,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 60 transitions, 143 flow [2021-03-26 10:47:25,623 INFO L129 PetriNetUnfolder]: 5/71 cut-off events. [2021-03-26 10:47:25,623 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 10:47:25,624 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 10:47:25,625 INFO L142 LiptonReduction]: Number of co-enabled transitions 2088 [2021-03-26 10:47:25,938 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:26,118 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:26,581 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:26,851 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:26,926 INFO L154 LiptonReduction]: Checked pairs total: 3633 [2021-03-26 10:47:26,926 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 10:47:26,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1309 [2021-03-26 10:47:26,927 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 123 flow [2021-03-26 10:47:26,928 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 10:47:26,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:26,928 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:26,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:47:26,928 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 10:47:26,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:26,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1315742375, now seen corresponding path program 1 times [2021-03-26 10:47:26,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:26,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888728553] [2021-03-26 10:47:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:47:26,942 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:47:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:47:26,953 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:47:26,958 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:47:26,958 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:47:26,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:47:26,958 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 10:47:26,959 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,970 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,972 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,973 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,974 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,975 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,976 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,977 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,978 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,979 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,980 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,981 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,982 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,987 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,989 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,989 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,990 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,990 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,990 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,990 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,991 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:47:26,992 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:47:26,992 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 10:47:26,993 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:47:26,993 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:47:26,993 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:47:26,993 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:47:26,993 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:47:26,994 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:47:26,994 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:47:26,994 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:47:26,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 150 transitions, 332 flow [2021-03-26 10:47:27,010 INFO L129 PetriNetUnfolder]: 22/189 cut-off events. [2021-03-26 10:47:27,010 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 10:47:27,012 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 10:47:27,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 150 transitions, 332 flow [2021-03-26 10:47:27,013 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 150 transitions, 332 flow [2021-03-26 10:47:27,014 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:27,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 150 transitions, 332 flow [2021-03-26 10:47:27,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 150 transitions, 332 flow [2021-03-26 10:47:27,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 150 transitions, 332 flow [2021-03-26 10:47:27,029 INFO L129 PetriNetUnfolder]: 22/189 cut-off events. [2021-03-26 10:47:27,029 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 10:47:27,031 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 10:47:27,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 11448 [2021-03-26 10:47:29,441 INFO L154 LiptonReduction]: Checked pairs total: 18705 [2021-03-26 10:47:29,442 INFO L156 LiptonReduction]: Total number of compositions: 84 [2021-03-26 10:47:29,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2428 [2021-03-26 10:47:29,447 INFO L129 PetriNetUnfolder]: 4/50 cut-off events. [2021-03-26 10:47:29,447 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:47:29,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:29,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:29,448 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 10:47:29,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:29,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1924629019, now seen corresponding path program 1 times [2021-03-26 10:47:29,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:29,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180197570] [2021-03-26 10:47:29,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:29,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:29,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:29,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:29,485 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 10:47:29,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180197570] [2021-03-26 10:47:29,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:29,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:47:29,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032373056] [2021-03-26 10:47:29,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-26 10:47:29,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:29,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-26 10:47:29,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-26 10:47:29,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 234 [2021-03-26 10:47:29,487 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 10:47:29,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:29,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 234 [2021-03-26 10:47:29,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:29,496 INFO L129 PetriNetUnfolder]: 8/87 cut-off events. [2021-03-26 10:47:29,496 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 10:47:29,497 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 10:47:29,497 INFO L132 encePairwiseOnDemand]: 230/234 looper letters, 0 selfloop transitions, 0 changer transitions 1/76 dead transitions. [2021-03-26 10:47:29,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 184 flow [2021-03-26 10:47:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-26 10:47:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-26 10:47:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 406 transitions. [2021-03-26 10:47:29,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8675213675213675 [2021-03-26 10:47:29,498 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 406 transitions. [2021-03-26 10:47:29,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 406 transitions. [2021-03-26 10:47:29,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:29,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 406 transitions. [2021-03-26 10:47:29,500 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 10:47:29,501 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 10:47:29,501 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 10:47:29,501 INFO L185 Difference]: Start difference. First operand has 81 places, 83 transitions, 198 flow. Second operand 2 states and 406 transitions. [2021-03-26 10:47:29,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 184 flow [2021-03-26 10:47:29,502 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 10:47:29,503 INFO L241 Difference]: Finished difference. Result has 78 places, 75 transitions, 170 flow [2021-03-26 10:47:29,504 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 10:47:29,504 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2021-03-26 10:47:29,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:29,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 75 transitions, 170 flow [2021-03-26 10:47:29,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 75 transitions, 170 flow [2021-03-26 10:47:29,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 170 flow [2021-03-26 10:47:29,510 INFO L129 PetriNetUnfolder]: 8/86 cut-off events. [2021-03-26 10:47:29,511 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 10:47:29,511 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 10:47:29,513 INFO L142 LiptonReduction]: Number of co-enabled transitions 3666 [2021-03-26 10:47:30,035 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:30,192 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-03-26 10:47:30,576 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:30,824 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-03-26 10:47:30,953 INFO L154 LiptonReduction]: Checked pairs total: 6285 [2021-03-26 10:47:30,953 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-26 10:47:30,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1449 [2021-03-26 10:47:30,954 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 150 flow [2021-03-26 10:47:30,954 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 10:47:30,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:30,954 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:30,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:47:30,955 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 10:47:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:30,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1947122347, now seen corresponding path program 1 times [2021-03-26 10:47:30,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:30,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101351228] [2021-03-26 10:47:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:30,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:30,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:30,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:30,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:31,000 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 10:47:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:31,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:31,001 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 10:47:31,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101351228] [2021-03-26 10:47:31,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:31,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:47:31,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511351351] [2021-03-26 10:47:31,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:47:31,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:31,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:47:31,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:47:31,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 250 [2021-03-26 10:47:31,003 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 10:47:31,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:31,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 250 [2021-03-26 10:47:31,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:31,022 INFO L129 PetriNetUnfolder]: 7/78 cut-off events. [2021-03-26 10:47:31,022 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:47:31,023 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 10:47:31,023 INFO L132 encePairwiseOnDemand]: 247/250 looper letters, 8 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2021-03-26 10:47:31,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 66 transitions, 172 flow [2021-03-26 10:47:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:47:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:47:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2021-03-26 10:47:31,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7786666666666666 [2021-03-26 10:47:31,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2021-03-26 10:47:31,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2021-03-26 10:47:31,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:31,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2021-03-26 10:47:31,027 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 10:47:31,028 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 10:47:31,029 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 10:47:31,029 INFO L185 Difference]: Start difference. First operand has 66 places, 65 transitions, 150 flow. Second operand 3 states and 584 transitions. [2021-03-26 10:47:31,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 66 transitions, 172 flow [2021-03-26 10:47:31,030 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 10:47:31,031 INFO L241 Difference]: Finished difference. Result has 69 places, 65 transitions, 158 flow [2021-03-26 10:47:31,031 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 10:47:31,031 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, -12 predicate places. [2021-03-26 10:47:31,031 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:31,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 158 flow [2021-03-26 10:47:31,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 158 flow [2021-03-26 10:47:31,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 158 flow [2021-03-26 10:47:31,038 INFO L129 PetriNetUnfolder]: 7/78 cut-off events. [2021-03-26 10:47:31,038 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:47:31,038 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 10:47:31,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 2968 [2021-03-26 10:47:31,435 INFO L154 LiptonReduction]: Checked pairs total: 6057 [2021-03-26 10:47:31,435 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 10:47:31,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-03-26 10:47:31,436 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 148 flow [2021-03-26 10:47:31,437 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 10:47:31,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:31,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:31,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:47:31,437 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 10:47:31,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:31,437 INFO L82 PathProgramCache]: Analyzing trace with hash 358496817, now seen corresponding path program 1 times [2021-03-26 10:47:31,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:31,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974353458] [2021-03-26 10:47:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:31,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:47:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:31,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:31,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:31,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:47:31,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:31,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:47:31,521 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 10:47:31,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974353458] [2021-03-26 10:47:31,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:31,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:47:31,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396897995] [2021-03-26 10:47:31,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:47:31,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:31,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:47:31,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:47:31,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 264 [2021-03-26 10:47:31,525 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 10:47:31,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:31,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 264 [2021-03-26 10:47:31,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:36,701 INFO L129 PetriNetUnfolder]: 36287/53136 cut-off events. [2021-03-26 10:47:36,701 INFO L130 PetriNetUnfolder]: For 3278/3278 co-relation queries the response was YES. [2021-03-26 10:47:36,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103768 conditions, 53136 events. 36287/53136 cut-off events. For 3278/3278 co-relation queries the response was YES. Maximal size of possible extension queue 3243. Compared 421443 event pairs, 5123 based on Foata normal form. 308/40830 useless extension candidates. Maximal degree in co-relation 103745. Up to 15978 conditions per place. [2021-03-26 10:47:37,368 INFO L132 encePairwiseOnDemand]: 246/264 looper letters, 172 selfloop transitions, 20 changer transitions 0/217 dead transitions. [2021-03-26 10:47:37,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 217 transitions, 871 flow [2021-03-26 10:47:37,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:47:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:47:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1551 transitions. [2021-03-26 10:47:37,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2021-03-26 10:47:37,373 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1551 transitions. [2021-03-26 10:47:37,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1551 transitions. [2021-03-26 10:47:37,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:37,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1551 transitions. [2021-03-26 10:47:37,377 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 10:47:37,382 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 10:47:37,383 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 10:47:37,383 INFO L185 Difference]: Start difference. First operand has 63 places, 59 transitions, 148 flow. Second operand 9 states and 1551 transitions. [2021-03-26 10:47:37,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 217 transitions, 871 flow [2021-03-26 10:47:37,391 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 10:47:37,394 INFO L241 Difference]: Finished difference. Result has 75 places, 78 transitions, 311 flow [2021-03-26 10:47:37,394 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 10:47:37,394 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, -6 predicate places. [2021-03-26 10:47:37,394 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:37,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 78 transitions, 311 flow [2021-03-26 10:47:37,395 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 78 transitions, 311 flow [2021-03-26 10:47:37,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 78 transitions, 311 flow [2021-03-26 10:47:37,504 INFO L129 PetriNetUnfolder]: 574/1767 cut-off events. [2021-03-26 10:47:37,504 INFO L130 PetriNetUnfolder]: For 538/1004 co-relation queries the response was YES. [2021-03-26 10:47:37,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3570 conditions, 1767 events. 574/1767 cut-off events. For 538/1004 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 15401 event pairs, 163 based on Foata normal form. 27/1581 useless extension candidates. Maximal degree in co-relation 3543. Up to 469 conditions per place. [2021-03-26 10:47:37,548 INFO L142 LiptonReduction]: Number of co-enabled transitions 3638 [2021-03-26 10:47:38,930 INFO L154 LiptonReduction]: Checked pairs total: 3551 [2021-03-26 10:47:38,930 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 10:47:38,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1536 [2021-03-26 10:47:38,931 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 71 transitions, 301 flow [2021-03-26 10:47:38,931 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 10:47:38,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:38,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:38,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:47:38,931 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 10:47:38,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:38,932 INFO L82 PathProgramCache]: Analyzing trace with hash -813525818, now seen corresponding path program 1 times [2021-03-26 10:47:38,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:38,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512413924] [2021-03-26 10:47:38,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:38,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:38,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:47:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:47:39,000 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 10:47:39,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512413924] [2021-03-26 10:47:39,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047898965] [2021-03-26 10:47:39,000 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 10:47:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:39,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 10:47:39,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 10:47:39,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:47:39,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:47:39,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:39,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:39,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:39,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:39,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:47:39,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:47:39,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:47:39,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 10:47:39,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:47:39,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:47:39,224 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 10:47:39,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:47:39,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:39,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:47:39,237 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 10:47:39,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 10:47:39,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 10:47:39,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132079097] [2021-03-26 10:47:39,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 10:47:39,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:39,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 10:47:39,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-26 10:47:39,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 275 [2021-03-26 10:47:39,242 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 10:47:39,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:39,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 275 [2021-03-26 10:47:39,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:47:47,839 INFO L129 PetriNetUnfolder]: 63027/86977 cut-off events. [2021-03-26 10:47:47,840 INFO L130 PetriNetUnfolder]: For 54876/61536 co-relation queries the response was YES. [2021-03-26 10:47:48,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 218036 conditions, 86977 events. 63027/86977 cut-off events. For 54876/61536 co-relation queries the response was YES. Maximal size of possible extension queue 5288. Compared 652509 event pairs, 4523 based on Foata normal form. 1758/81261 useless extension candidates. Maximal degree in co-relation 218006. Up to 16732 conditions per place. [2021-03-26 10:47:48,843 INFO L132 encePairwiseOnDemand]: 255/275 looper letters, 398 selfloop transitions, 104 changer transitions 0/521 dead transitions. [2021-03-26 10:47:48,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 521 transitions, 2808 flow [2021-03-26 10:47:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 10:47:48,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 10:47:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4245 transitions. [2021-03-26 10:47:48,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6431818181818182 [2021-03-26 10:47:48,854 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4245 transitions. [2021-03-26 10:47:48,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4245 transitions. [2021-03-26 10:47:48,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:47:48,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4245 transitions. [2021-03-26 10:47:48,864 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 10:47:48,874 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 10:47:48,876 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 10:47:48,876 INFO L185 Difference]: Start difference. First operand has 68 places, 71 transitions, 301 flow. Second operand 24 states and 4245 transitions. [2021-03-26 10:47:48,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 521 transitions, 2808 flow [2021-03-26 10:47:49,492 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 10:47:49,497 INFO L241 Difference]: Finished difference. Result has 109 places, 177 transitions, 1434 flow [2021-03-26 10:47:49,497 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 10:47:49,497 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 28 predicate places. [2021-03-26 10:47:49,497 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:47:49,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 177 transitions, 1434 flow [2021-03-26 10:47:49,498 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 177 transitions, 1434 flow [2021-03-26 10:47:49,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 177 transitions, 1434 flow [2021-03-26 10:47:49,733 INFO L129 PetriNetUnfolder]: 1525/3668 cut-off events. [2021-03-26 10:47:49,733 INFO L130 PetriNetUnfolder]: For 25774/30239 co-relation queries the response was YES. [2021-03-26 10:47:49,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14189 conditions, 3668 events. 1525/3668 cut-off events. For 25774/30239 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 33197 event pairs, 249 based on Foata normal form. 25/3119 useless extension candidates. Maximal degree in co-relation 14142. Up to 1117 conditions per place. [2021-03-26 10:47:49,821 INFO L142 LiptonReduction]: Number of co-enabled transitions 7666 [2021-03-26 10:47:59,499 INFO L154 LiptonReduction]: Checked pairs total: 31163 [2021-03-26 10:47:59,499 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:47:59,499 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10002 [2021-03-26 10:47:59,500 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 175 transitions, 1430 flow [2021-03-26 10:47:59,500 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 10:47:59,500 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:47:59,501 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:47:59,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-26 10:47:59,716 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 10:47:59,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:47:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2094512070, now seen corresponding path program 1 times [2021-03-26 10:47:59,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:47:59,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698826401] [2021-03-26 10:47:59,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:47:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:47:59,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:59,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:59,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:47:59,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:47:59,742 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 10:47:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:47:59,743 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 10:47:59,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698826401] [2021-03-26 10:47:59,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:47:59,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:47:59,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710729270] [2021-03-26 10:47:59,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:47:59,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:47:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:47:59,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:47:59,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 277 [2021-03-26 10:47:59,745 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 10:47:59,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:47:59,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 277 [2021-03-26 10:47:59,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:48:00,180 INFO L129 PetriNetUnfolder]: 1991/4559 cut-off events. [2021-03-26 10:48:00,180 INFO L130 PetriNetUnfolder]: For 29262/33685 co-relation queries the response was YES. [2021-03-26 10:48:00,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18141 conditions, 4559 events. 1991/4559 cut-off events. For 29262/33685 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 41985 event pairs, 351 based on Foata normal form. 167/3979 useless extension candidates. Maximal degree in co-relation 18092. Up to 1488 conditions per place. [2021-03-26 10:48:00,235 INFO L132 encePairwiseOnDemand]: 273/277 looper letters, 26 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2021-03-26 10:48:00,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 176 transitions, 1488 flow [2021-03-26 10:48:00,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:48:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:48:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 656 transitions. [2021-03-26 10:48:00,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.789410348977136 [2021-03-26 10:48:00,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 656 transitions. [2021-03-26 10:48:00,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 656 transitions. [2021-03-26 10:48:00,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:48:00,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 656 transitions. [2021-03-26 10:48:00,239 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 10:48:00,240 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 10:48:00,241 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 10:48:00,241 INFO L185 Difference]: Start difference. First operand has 107 places, 175 transitions, 1430 flow. Second operand 3 states and 656 transitions. [2021-03-26 10:48:00,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 176 transitions, 1488 flow [2021-03-26 10:48:00,310 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 10:48:00,312 INFO L241 Difference]: Finished difference. Result has 106 places, 175 transitions, 1157 flow [2021-03-26 10:48:00,312 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 10:48:00,313 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 25 predicate places. [2021-03-26 10:48:00,313 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:48:00,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 175 transitions, 1157 flow [2021-03-26 10:48:00,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 175 transitions, 1157 flow [2021-03-26 10:48:00,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 175 transitions, 1157 flow [2021-03-26 10:48:00,571 INFO L129 PetriNetUnfolder]: 1695/4181 cut-off events. [2021-03-26 10:48:00,571 INFO L130 PetriNetUnfolder]: For 26547/28655 co-relation queries the response was YES. [2021-03-26 10:48:00,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15023 conditions, 4181 events. 1695/4181 cut-off events. For 26547/28655 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 39671 event pairs, 301 based on Foata normal form. 11/3607 useless extension candidates. Maximal degree in co-relation 14975. Up to 796 conditions per place. [2021-03-26 10:48:00,651 INFO L142 LiptonReduction]: Number of co-enabled transitions 7098 [2021-03-26 10:48:09,414 INFO L154 LiptonReduction]: Checked pairs total: 13134 [2021-03-26 10:48:09,414 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:48:09,414 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9101 [2021-03-26 10:48:09,415 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 175 transitions, 1157 flow [2021-03-26 10:48:09,415 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 10:48:09,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:48:09,416 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:48:09,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:48:09,416 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 10:48:09,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:48:09,416 INFO L82 PathProgramCache]: Analyzing trace with hash -813319358, now seen corresponding path program 1 times [2021-03-26 10:48:09,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:48:09,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934919006] [2021-03-26 10:48:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:48:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:48:09,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:48:09,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:48:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:48:09,492 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 10:48:09,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934919006] [2021-03-26 10:48:09,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328010967] [2021-03-26 10:48:09,492 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 10:48:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:48:09,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 10:48:09,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 10:48:09,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:48:09,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:48:09,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:48:09,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:48:09,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:48:09,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:48:09,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:48:09,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:48:09,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:48:09,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:48:09,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 10:48:09,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:48:09,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:48:09,678 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 10:48:09,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:48:09,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:48:09,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:48:09,689 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 10:48:09,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 10:48:09,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-26 10:48:09,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561629379] [2021-03-26 10:48:09,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 10:48:09,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:48:09,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 10:48:09,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-26 10:48:09,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 277 [2021-03-26 10:48:09,695 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 10:48:09,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:48:09,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 277 [2021-03-26 10:48:09,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:48:24,082 INFO L129 PetriNetUnfolder]: 81169/112340 cut-off events. [2021-03-26 10:48:24,082 INFO L130 PetriNetUnfolder]: For 590858/603281 co-relation queries the response was YES. [2021-03-26 10:48:24,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 403525 conditions, 112340 events. 81169/112340 cut-off events. For 590858/603281 co-relation queries the response was YES. Maximal size of possible extension queue 6187. Compared 850079 event pairs, 6244 based on Foata normal form. 1653/92311 useless extension candidates. Maximal degree in co-relation 403474. Up to 17606 conditions per place. [2021-03-26 10:48:25,748 INFO L132 encePairwiseOnDemand]: 257/277 looper letters, 451 selfloop transitions, 163 changer transitions 0/631 dead transitions. [2021-03-26 10:48:25,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 631 transitions, 5267 flow [2021-03-26 10:48:25,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 10:48:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 10:48:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4761 transitions. [2021-03-26 10:48:25,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6365824308062575 [2021-03-26 10:48:25,758 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4761 transitions. [2021-03-26 10:48:25,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4761 transitions. [2021-03-26 10:48:25,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:48:25,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4761 transitions. [2021-03-26 10:48:25,768 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 10:48:25,778 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 10:48:25,780 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 10:48:25,780 INFO L185 Difference]: Start difference. First operand has 106 places, 175 transitions, 1157 flow. Second operand 27 states and 4761 transitions. [2021-03-26 10:48:25,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 631 transitions, 5267 flow [2021-03-26 10:48:29,986 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 10:48:29,991 INFO L241 Difference]: Finished difference. Result has 138 places, 243 transitions, 2369 flow [2021-03-26 10:48:29,992 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 10:48:29,992 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 57 predicate places. [2021-03-26 10:48:29,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:48:29,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 243 transitions, 2369 flow [2021-03-26 10:48:29,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 243 transitions, 2369 flow [2021-03-26 10:48:29,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 243 transitions, 2369 flow [2021-03-26 10:48:30,469 INFO L129 PetriNetUnfolder]: 2252/5155 cut-off events. [2021-03-26 10:48:30,470 INFO L130 PetriNetUnfolder]: For 65594/68358 co-relation queries the response was YES. [2021-03-26 10:48:30,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26252 conditions, 5155 events. 2252/5155 cut-off events. For 65594/68358 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 48622 event pairs, 353 based on Foata normal form. 89/4655 useless extension candidates. Maximal degree in co-relation 26195. Up to 1146 conditions per place. [2021-03-26 10:48:30,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 9996 [2021-03-26 10:49:02,954 INFO L154 LiptonReduction]: Checked pairs total: 67154 [2021-03-26 10:49:02,954 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:49:02,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32963 [2021-03-26 10:49:02,955 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 243 transitions, 2374 flow [2021-03-26 10:49:02,956 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 10:49:02,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:49:02,956 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:49:03,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-26 10:49:03,157 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 10:49:03,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:49:03,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1483758084, now seen corresponding path program 1 times [2021-03-26 10:49:03,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:49:03,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953922244] [2021-03-26 10:49:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:49:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:49:03,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:49:03,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:49:03,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:49:03,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:49:03,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:49:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:49:03,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:49:03,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:49:03,245 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 10:49:03,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953922244] [2021-03-26 10:49:03,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:49:03,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:49:03,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406770934] [2021-03-26 10:49:03,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:49:03,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:49:03,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:49:03,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:49:03,248 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 278 [2021-03-26 10:49:03,248 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 10:49:03,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:49:03,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 278 [2021-03-26 10:49:03,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:49:28,696 INFO L129 PetriNetUnfolder]: 130174/185990 cut-off events. [2021-03-26 10:49:28,697 INFO L130 PetriNetUnfolder]: For 1729794/1756425 co-relation queries the response was YES. [2021-03-26 10:49:30,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 794368 conditions, 185990 events. 130174/185990 cut-off events. For 1729794/1756425 co-relation queries the response was YES. Maximal size of possible extension queue 11097. Compared 1585508 event pairs, 30798 based on Foata normal form. 405/156305 useless extension candidates. Maximal degree in co-relation 794148. Up to 96296 conditions per place. [2021-03-26 10:49:32,009 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 460 selfloop transitions, 21 changer transitions 0/501 dead transitions. [2021-03-26 10:49:32,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 501 transitions, 5891 flow [2021-03-26 10:49:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:49:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:49:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1083 transitions. [2021-03-26 10:49:32,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6492805755395683 [2021-03-26 10:49:32,012 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1083 transitions. [2021-03-26 10:49:32,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1083 transitions. [2021-03-26 10:49:32,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:49:32,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1083 transitions. [2021-03-26 10:49:32,014 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 10:49:32,016 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 10:49:32,017 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 10:49:32,017 INFO L185 Difference]: Start difference. First operand has 138 places, 243 transitions, 2374 flow. Second operand 6 states and 1083 transitions. [2021-03-26 10:49:32,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 501 transitions, 5891 flow [2021-03-26 10:50:12,435 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 10:50:12,440 INFO L241 Difference]: Finished difference. Result has 129 places, 252 transitions, 2106 flow [2021-03-26 10:50:12,440 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 10:50:12,440 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 48 predicate places. [2021-03-26 10:50:12,440 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:50:12,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 252 transitions, 2106 flow [2021-03-26 10:50:12,441 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 252 transitions, 2106 flow [2021-03-26 10:50:12,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 252 transitions, 2106 flow [2021-03-26 10:50:13,459 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][72], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 64#L1026-1true, Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 132#L1032-1true, Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), thrThread2of4ForFork0InUse, Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, 79#L1046-2true, Black: 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), thrThread4of4ForFork0InUse, 81#L1026-1true, 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 172#true, 108#L1027true, Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 374#true, Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0))]) [2021-03-26 10:50:13,459 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-26 10:50:13,460 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 10:50:13,460 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 10:50:13,460 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 10:50:13,500 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][100], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 132#L1032-1true, Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), thrThread2of4ForFork0InUse, Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, Black: 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), thrThread4of4ForFork0InUse, Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), 277#true, Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 153#true, Black: 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 172#true, 64#L1026-1true, 79#L1046-2true, 81#L1026-1true, 101#L1026-1true, Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 374#true, Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0))]) [2021-03-26 10:50:13,500 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-26 10:50:13,500 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:50:13,500 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:50:13,500 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:50:13,535 INFO L129 PetriNetUnfolder]: 5143/11624 cut-off events. [2021-03-26 10:50:13,536 INFO L130 PetriNetUnfolder]: For 135784/139941 co-relation queries the response was YES. [2021-03-26 10:50:13,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55160 conditions, 11624 events. 5143/11624 cut-off events. For 135784/139941 co-relation queries the response was YES. Maximal size of possible extension queue 1130. Compared 125032 event pairs, 784 based on Foata normal form. 196/10587 useless extension candidates. Maximal degree in co-relation 55100. Up to 2116 conditions per place. [2021-03-26 10:50:13,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 10910 [2021-03-26 10:53:30,295 INFO L154 LiptonReduction]: Checked pairs total: 22821 [2021-03-26 10:53:30,295 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:53:30,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197855 [2021-03-26 10:53:30,296 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 252 transitions, 2106 flow [2021-03-26 10:53:30,296 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 10:53:30,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:53:30,297 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:53:30,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:53:30,297 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 10:53:30,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:53:30,297 INFO L82 PathProgramCache]: Analyzing trace with hash 556898007, now seen corresponding path program 2 times [2021-03-26 10:53:30,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:53:30,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437595956] [2021-03-26 10:53:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:53:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:53:30,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:53:30,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:53:30,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:53:30,383 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 10:53:30,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437595956] [2021-03-26 10:53:30,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669612673] [2021-03-26 10:53:30,383 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 10:53:30,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 10:53:30,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 10:53:30,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 10:53:30,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 10:53:30,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:53:30,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 10:53:30,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:53:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 10:53:30,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:53:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:53:30,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 10:53:30,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:53:30,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:53:30,559 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 10:53:30,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:53:30,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:53:30,577 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 10:53:30,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 10:53:30,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-03-26 10:53:30,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833687021] [2021-03-26 10:53:30,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 10:53:30,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:53:30,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 10:53:30,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-03-26 10:53:30,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 278 [2021-03-26 10:53:30,582 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 10:53:30,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:53:30,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 278 [2021-03-26 10:53:30,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:54:07,605 INFO L129 PetriNetUnfolder]: 183661/254540 cut-off events. [2021-03-26 10:54:07,605 INFO L130 PetriNetUnfolder]: For 2496978/2522770 co-relation queries the response was YES. [2021-03-26 10:54:10,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1113994 conditions, 254540 events. 183661/254540 cut-off events. For 2496978/2522770 co-relation queries the response was YES. Maximal size of possible extension queue 14447. Compared 2111791 event pairs, 8753 based on Foata normal form. 3865/214340 useless extension candidates. Maximal degree in co-relation 1113931. Up to 32151 conditions per place. [2021-03-26 10:54:12,754 INFO L132 encePairwiseOnDemand]: 257/278 looper letters, 563 selfloop transitions, 246 changer transitions 0/827 dead transitions. [2021-03-26 10:54:12,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 827 transitions, 8347 flow [2021-03-26 10:54:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-26 10:54:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-26 10:54:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5296 transitions. [2021-03-26 10:54:12,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6350119904076739 [2021-03-26 10:54:12,771 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5296 transitions. [2021-03-26 10:54:12,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5296 transitions. [2021-03-26 10:54:12,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:54:12,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5296 transitions. [2021-03-26 10:54:12,813 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 10:54:12,825 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 10:54:12,827 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 10:54:12,827 INFO L185 Difference]: Start difference. First operand has 129 places, 252 transitions, 2106 flow. Second operand 30 states and 5296 transitions. [2021-03-26 10:54:12,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 827 transitions, 8347 flow [2021-03-26 10:55:37,530 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 10:55:37,539 INFO L241 Difference]: Finished difference. Result has 164 places, 340 transitions, 3956 flow [2021-03-26 10:55:37,539 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 10:55:37,539 INFO L343 CegarLoopForPetriNet]: 81 programPoint places, 83 predicate places. [2021-03-26 10:55:37,540 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:55:37,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 340 transitions, 3956 flow [2021-03-26 10:55:37,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 340 transitions, 3956 flow [2021-03-26 10:55:37,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 340 transitions, 3956 flow [2021-03-26 10:55:38,808 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][274], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), thrThread2of4ForFork0InUse, Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), 14#L1031-1true, Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, thrThread4of4ForFork0InUse, Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 162#(and (not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 438#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 64#L1026-1true, 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), 79#L1046-2true, 81#L1026-1true, 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 466#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 470#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 456#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), 101#L1026-1true, Black: 412#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 396#(<= 0 ~next~0), Black: 446#(and (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0))]) [2021-03-26 10:55:38,808 INFO L384 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,808 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,809 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,809 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,845 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][33], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 132#L1032-1true, Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), thrThread2of4ForFork0InUse, Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, Black: 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), thrThread4of4ForFork0InUse, Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), 277#true, Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 172#true, 446#(and (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), 64#L1026-1true, 79#L1046-2true, 81#L1026-1true, Black: 466#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 470#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 438#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 456#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), 101#L1026-1true, Black: 412#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 396#(<= 0 ~next~0), Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0))]) [2021-03-26 10:55:38,846 INFO L384 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,846 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,846 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,846 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:38,949 INFO L382 tUnfolder$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][131], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 132#L1032-1true, Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), thrThread2of4ForFork0InUse, Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, Black: 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), thrThread4of4ForFork0InUse, Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), 277#true, Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 172#true, 64#L1026-1true, 79#L1046-2true, 81#L1026-1true, Black: 466#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 470#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 438#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 456#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 412#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), 101#L1026-1true, Black: 396#(<= 0 ~next~0), Black: 446#(and (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), 383#true]) [2021-03-26 10:55:38,949 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2021-03-26 10:55:38,949 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-26 10:55:38,949 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-26 10:55:38,949 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-26 10:55:38,963 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][61], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 132#L1032-1true, Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), thrThread2of4ForFork0InUse, Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, Black: 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), thrThread4of4ForFork0InUse, Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 172#true, 444#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), 64#L1026-1true, 79#L1046-2true, 81#L1026-1true, 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 466#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 470#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 438#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 456#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 412#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 396#(<= 0 ~next~0), Black: 446#(and (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), 108#L1027true, Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0))]) [2021-03-26 10:55:38,963 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-26 10:55:38,964 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 10:55:38,964 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 10:55:38,964 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 10:55:39,077 INFO L382 tUnfolder$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][131], [Black: 230#(and (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 199#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 232#(and (<= 0 ~next~0) (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0)), Black: 234#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 203#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0)), 132#L1032-1true, Black: 236#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 238#(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: 240#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 177#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 242#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (= thrThread1of4ForFork0_~c~0 0)), Black: 244#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), thrThread1of4ForFork0InUse, Black: 246#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (<= (+ ~next~0 10) ~len~0)), thrThread2of4ForFork0InUse, Black: 183#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 250#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 252#(and (<= (+ thrThread1of4ForFork0_~c~0 10) ~len~0) (<= 0 ~next~0) (<= 0 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), thrThread3of4ForFork0InUse, Black: 222#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), thrThread4of4ForFork0InUse, Black: 274#(and (= thrThread2of4ForFork0_~end~0 0) (= thrThread2of4ForFork0_~c~0 0)), 277#true, Black: 150#(and (= thrThread1of4ForFork0_~end~0 0) (= thrThread1of4ForFork0_~c~0 0)), 153#true, Black: 160#(not (= thrThread1of4ForFork0___VERIFIER_assert_~cond 0)), Black: 164#(and (not (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 155#(= ~next~0 0), Black: 156#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 157#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0) (= thrThread1of4ForFork0_~c~0 0)), Black: 158#(and (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 172#true, 64#L1026-1true, 79#L1046-2true, 81#L1026-1true, Black: 466#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 468#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 470#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 438#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 456#(and (<= 0 ~next~0) (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), 101#L1026-1true, Black: 412#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 396#(<= 0 ~next~0), Black: 446#(and (<= 3 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 7) ~len~0)), Black: 352#(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: 289#(and (< 0 ~len~0) (<= 0 ~next~0)), Black: 305#(and (<= 0 ~next~0) (<= (+ ~next~0 10) ~len~0)), Black: 354#(and (< 0 ~len~0) (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1)), Black: 338#(and (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 356#(and (<= 0 ~next~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ ~next~0 10) ~len~0)), Black: 344#(and (<= 0 ~next~0) (<= (+ thrThread1of4ForFork0_~c~0 8) ~len~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= 2 thrThread1of4ForFork0_~c~0)), Black: 328#(= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1), Black: 377#(and (<= (+ ~next~0 10) ~len~0) (= ~next~0 0)), Black: 379#(and (= thrThread2of4ForFork0_~c~0 0) (<= 10 ~len~0)), Black: 226#(and (<= 0 ~next~0) (= thrThread1of4ForFork0_~c~0 0) (<= 10 ~len~0)), 383#true, Black: 228#(and (<= 1 thrThread1of4ForFork0_~c~0) (= |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| 1) (<= (+ thrThread1of4ForFork0_~c~0 9) ~len~0))]) [2021-03-26 10:55:39,077 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-26 10:55:39,077 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:39,077 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:39,077 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-03-26 10:55:39,117 INFO L129 PetriNetUnfolder]: 6661/14558 cut-off events. [2021-03-26 10:55:39,117 INFO L130 PetriNetUnfolder]: For 280341/287712 co-relation queries the response was YES. [2021-03-26 10:55:39,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92334 conditions, 14558 events. 6661/14558 cut-off events. For 280341/287712 co-relation queries the response was YES. Maximal size of possible extension queue 1398. Compared 159725 event pairs, 842 based on Foata normal form. 404/13441 useless extension candidates. Maximal degree in co-relation 92266. Up to 2949 conditions per place. [2021-03-26 10:55:39,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 14888 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown