/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:38:59,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:38:59,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:38:59,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:38:59,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:38:59,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:38:59,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:38:59,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:38:59,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:38:59,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:38:59,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:38:59,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:38:59,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:38:59,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:38:59,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:38:59,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:38:59,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:38:59,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:38:59,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:38:59,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:38:59,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:38:59,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:38:59,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:38:59,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:38:59,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:38:59,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:38:59,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:38:59,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:38:59,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:38:59,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:38:59,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:38:59,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:38:59,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:38:59,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:38:59,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:38:59,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:38:59,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:38:59,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:38:59,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:38:59,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:38:59,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:38:59,313 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:38:59,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:38:59,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:38:59,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:38:59,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:38:59,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:38:59,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:38:59,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:38:59,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:38:59,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:38:59,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:38:59,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:38:59,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:38:59,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:38:59,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:38:59,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:38:59,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:38:59,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:38:59,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:38:59,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:38:59,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:38:59,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:38:59,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:38:59,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:38:59,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:38:59,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:38:59,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:38:59,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:38:59,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:38:59,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:38:59,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:38:59,783 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:38:59,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i [2021-04-28 22:38:59,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc87e37e/d2b2546d2dd241f6bdce5e4af4dbf45a/FLAG7e558e97f [2021-04-28 22:39:00,698 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:39:00,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i [2021-04-28 22:39:00,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc87e37e/d2b2546d2dd241f6bdce5e4af4dbf45a/FLAG7e558e97f [2021-04-28 22:39:00,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc87e37e/d2b2546d2dd241f6bdce5e4af4dbf45a [2021-04-28 22:39:00,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:39:00,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:39:00,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:39:00,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:39:00,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:39:00,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:39:00" (1/1) ... [2021-04-28 22:39:00,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3711824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:00, skipping insertion in model container [2021-04-28 22:39:00,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:39:00" (1/1) ... [2021-04-28 22:39:00,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:39:01,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:39:01,194 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-wmm/mix057_pso.oepc.i[949,962] [2021-04-28 22:39:01,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:39:01,491 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:39:01,509 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-wmm/mix057_pso.oepc.i[949,962] [2021-04-28 22:39:01,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:39:01,787 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:39:01,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01 WrapperNode [2021-04-28 22:39:01,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:39:01,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:39:01,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:39:01,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:39:01,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:39:01,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:39:01,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:39:01,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:39:01,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (1/1) ... [2021-04-28 22:39:01,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:39:01,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:39:01,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:39:01,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:39:01,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (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 [2021-04-28 22:39:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:39:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:39:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:39:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:39:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:39:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:39:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:39:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:39:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:39:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:39:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:39:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:39:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:39:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:39:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:39:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:39:02,071 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:39:04,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:39:04,595 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:39:04,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:39:04 BoogieIcfgContainer [2021-04-28 22:39:04,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:39:04,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:39:04,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:39:04,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:39:04,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:39:00" (1/3) ... [2021-04-28 22:39:04,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83d3cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:39:04, skipping insertion in model container [2021-04-28 22:39:04,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:39:01" (2/3) ... [2021-04-28 22:39:04,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83d3cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:39:04, skipping insertion in model container [2021-04-28 22:39:04,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:39:04" (3/3) ... [2021-04-28 22:39:04,607 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_pso.oepc.i [2021-04-28 22:39:04,615 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:39:04,621 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:39:04,622 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:39:04,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,668 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,668 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,668 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,668 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,668 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,675 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,676 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,676 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,676 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,680 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,681 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,681 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,681 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,682 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,686 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,686 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,687 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,687 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,709 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,710 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,713 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,717 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,718 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,727 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,728 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,728 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:39:04,730 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:39:04,754 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:39:04,780 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:39:04,780 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:39:04,780 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:39:04,780 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:39:04,781 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:39:04,781 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:39:04,781 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:39:04,781 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:39:04,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2021-04-28 22:39:04,848 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-04-28 22:39:04,848 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:39:04,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 22:39:04,855 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 114 transitions, 248 flow [2021-04-28 22:39:04,861 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 110 transitions, 232 flow [2021-04-28 22:39:04,863 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:04,880 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 232 flow [2021-04-28 22:39:04,884 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 232 flow [2021-04-28 22:39:04,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 232 flow [2021-04-28 22:39:04,915 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-04-28 22:39:04,915 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:39:04,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 22:39:04,921 INFO L146 LiptonReduction]: Number of co-enabled transitions 2672 [2021-04-28 22:39:08,684 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:39:08,842 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:39:09,365 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:39:09,575 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:39:10,865 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 22:39:17,245 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:39:22,574 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:39:25,521 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:25,640 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:25,752 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:25,868 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:25,979 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:26,093 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:26,202 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:26,310 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:26,787 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 22:39:27,013 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 22:39:27,518 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 22:39:27,754 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 22:39:27,959 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:28,156 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:28,350 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:28,549 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:28,698 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:39:28,848 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:39:29,002 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:39:29,141 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:39:29,268 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:29,391 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:29,519 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:29,653 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:29,783 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:29,911 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:30,082 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:30,225 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:30,398 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:30,574 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:30,750 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:30,920 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:31,081 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:39:31,245 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:39:31,400 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:39:31,573 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:39:31,679 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:31,786 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:31,894 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:32,002 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:32,198 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:32,396 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:32,594 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:32,787 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:32,960 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:39:33,167 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:39:33,343 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:39:33,527 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:39:33,630 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:33,731 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:33,837 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:33,946 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:34,132 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:39:34,314 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:39:34,501 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:39:34,691 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:39:34,832 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:39:34,970 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:39:35,110 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:39:35,248 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:39:35,420 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:35,587 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:35,762 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:35,933 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:36,133 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:39:36,359 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:39:36,550 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:39:36,739 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:39:36,938 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:37,141 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:37,341 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:37,535 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:37,637 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:39:38,089 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:38,246 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:38,404 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:38,563 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:39:38,722 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:39:38,881 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:39:39,036 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:39:39,189 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:39:39,396 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:39,569 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:39,746 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:39,922 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:39:40,425 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 22:39:40,662 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 22:39:41,166 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 22:39:41,400 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 22:39:41,521 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:41,643 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:41,762 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:41,879 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:41,992 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:42,101 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:42,211 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:42,348 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:42,563 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:42,778 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:42,993 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:43,213 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:43,370 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:39:43,519 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:39:43,662 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:39:43,806 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:39:43,865 INFO L158 LiptonReduction]: Checked pairs total: 24009 [2021-04-28 22:39:43,865 INFO L160 LiptonReduction]: Total number of compositions: 246 [2021-04-28 22:39:43,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39009 [2021-04-28 22:39:43,891 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-04-28 22:39:43,891 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:39:43,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:43,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 22:39:43,893 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:43,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1346738, now seen corresponding path program 1 times [2021-04-28 22:39:43,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:43,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812113977] [2021-04-28 22:39:43,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:44,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:44,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:39:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:44,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812113977] [2021-04-28 22:39:44,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:44,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:39:44,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190956804] [2021-04-28 22:39:44,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:39:44,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:44,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:39:44,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:39:44,199 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 360 [2021-04-28 22:39:44,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 134 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:44,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:44,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 360 [2021-04-28 22:39:44,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:44,433 INFO L129 PetriNetUnfolder]: 133/504 cut-off events. [2021-04-28 22:39:44,434 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:39:44,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 504 events. 133/504 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3485 event pairs, 110 based on Foata normal form. 69/336 useless extension candidates. Maximal degree in co-relation 662. Up to 153 conditions per place. [2021-04-28 22:39:44,444 INFO L132 encePairwiseOnDemand]: 338/360 looper letters, 11 selfloop transitions, 2 changer transitions 52/135 dead transitions. [2021-04-28 22:39:44,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 135 transitions, 340 flow [2021-04-28 22:39:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:39:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:39:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2021-04-28 22:39:44,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2021-04-28 22:39:44,466 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 888 transitions. [2021-04-28 22:39:44,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 888 transitions. [2021-04-28 22:39:44,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:44,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 888 transitions. [2021-04-28 22:39:44,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:44,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:44,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:44,500 INFO L185 Difference]: Start difference. First operand has 146 places, 134 transitions, 280 flow. Second operand 3 states and 888 transitions. [2021-04-28 22:39:44,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 135 transitions, 340 flow [2021-04-28 22:39:44,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 135 transitions, 336 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:39:44,512 INFO L241 Difference]: Finished difference. Result has 141 places, 78 transitions, 168 flow [2021-04-28 22:39:44,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=141, PETRI_TRANSITIONS=78} [2021-04-28 22:39:44,516 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2021-04-28 22:39:44,516 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:44,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 78 transitions, 168 flow [2021-04-28 22:39:44,517 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 78 transitions, 168 flow [2021-04-28 22:39:44,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 78 transitions, 168 flow [2021-04-28 22:39:44,529 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-04-28 22:39:44,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:39:44,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 398 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:39:44,532 INFO L146 LiptonReduction]: Number of co-enabled transitions 3024 [2021-04-28 22:39:44,805 INFO L158 LiptonReduction]: Checked pairs total: 4010 [2021-04-28 22:39:44,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:44,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 290 [2021-04-28 22:39:44,808 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 78 transitions, 168 flow [2021-04-28 22:39:44,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:44,810 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:44,810 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:44,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:39:44,810 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:44,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:44,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1657953588, now seen corresponding path program 1 times [2021-04-28 22:39:44,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:44,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716607692] [2021-04-28 22:39:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:44,963 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:39:44,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:39:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:44,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716607692] [2021-04-28 22:39:44,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:44,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:39:44,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132961951] [2021-04-28 22:39:44,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:39:44,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:44,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:39:44,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:39:44,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 360 [2021-04-28 22:39:44,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 78 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:44,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:44,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 360 [2021-04-28 22:39:44,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:47,454 INFO L129 PetriNetUnfolder]: 6025/15381 cut-off events. [2021-04-28 22:39:47,454 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:39:47,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24048 conditions, 15381 events. 6025/15381 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2281. Compared 198931 event pairs, 1985 based on Foata normal form. 0/9802 useless extension candidates. Maximal degree in co-relation 24039. Up to 4699 conditions per place. [2021-04-28 22:39:47,547 INFO L132 encePairwiseOnDemand]: 336/360 looper letters, 8 selfloop transitions, 8 changer transitions 50/109 dead transitions. [2021-04-28 22:39:47,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 109 transitions, 362 flow [2021-04-28 22:39:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:39:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:39:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2021-04-28 22:39:47,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6888888888888889 [2021-04-28 22:39:47,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 744 transitions. [2021-04-28 22:39:47,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 744 transitions. [2021-04-28 22:39:47,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:47,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 744 transitions. [2021-04-28 22:39:47,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:47,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:47,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:47,562 INFO L185 Difference]: Start difference. First operand has 89 places, 78 transitions, 168 flow. Second operand 3 states and 744 transitions. [2021-04-28 22:39:47,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 109 transitions, 362 flow [2021-04-28 22:39:47,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 109 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:39:47,568 INFO L241 Difference]: Finished difference. Result has 91 places, 59 transitions, 174 flow [2021-04-28 22:39:47,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=91, PETRI_TRANSITIONS=59} [2021-04-28 22:39:47,569 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -55 predicate places. [2021-04-28 22:39:47,569 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:47,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 59 transitions, 174 flow [2021-04-28 22:39:47,570 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 59 transitions, 174 flow [2021-04-28 22:39:47,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 59 transitions, 174 flow [2021-04-28 22:39:47,716 INFO L129 PetriNetUnfolder]: 284/963 cut-off events. [2021-04-28 22:39:47,717 INFO L130 PetriNetUnfolder]: For 103/116 co-relation queries the response was YES. [2021-04-28 22:39:47,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1657 conditions, 963 events. 284/963 cut-off events. For 103/116 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8157 event pairs, 90 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1648. Up to 263 conditions per place. [2021-04-28 22:39:47,744 INFO L146 LiptonReduction]: Number of co-enabled transitions 1950 [2021-04-28 22:39:47,769 INFO L158 LiptonReduction]: Checked pairs total: 1253 [2021-04-28 22:39:47,770 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:47,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 201 [2021-04-28 22:39:47,778 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 174 flow [2021-04-28 22:39:47,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:47,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:47,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:47,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:39:47,779 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:47,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:47,780 INFO L82 PathProgramCache]: Analyzing trace with hash 143044577, now seen corresponding path program 1 times [2021-04-28 22:39:47,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:47,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255666216] [2021-04-28 22:39:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:47,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:47,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:47,900 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:39:47,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:39:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:47,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255666216] [2021-04-28 22:39:47,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:47,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:39:47,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530515133] [2021-04-28 22:39:47,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:39:47,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:47,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:39:47,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:39:47,916 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 360 [2021-04-28 22:39:47,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 227.75) internal successors, (911), 4 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:47,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:47,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 360 [2021-04-28 22:39:47,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:48,100 INFO L129 PetriNetUnfolder]: 239/847 cut-off events. [2021-04-28 22:39:48,100 INFO L130 PetriNetUnfolder]: For 125/466 co-relation queries the response was YES. [2021-04-28 22:39:48,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 847 events. 239/847 cut-off events. For 125/466 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6933 event pairs, 28 based on Foata normal form. 11/619 useless extension candidates. Maximal degree in co-relation 1835. Up to 216 conditions per place. [2021-04-28 22:39:48,111 INFO L132 encePairwiseOnDemand]: 351/360 looper letters, 16 selfloop transitions, 12 changer transitions 0/71 dead transitions. [2021-04-28 22:39:48,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 71 transitions, 290 flow [2021-04-28 22:39:48,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:39:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:39:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 931 transitions. [2021-04-28 22:39:48,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6465277777777778 [2021-04-28 22:39:48,116 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 931 transitions. [2021-04-28 22:39:48,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 931 transitions. [2021-04-28 22:39:48,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:48,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 931 transitions. [2021-04-28 22:39:48,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,125 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,126 INFO L185 Difference]: Start difference. First operand has 65 places, 59 transitions, 174 flow. Second operand 4 states and 931 transitions. [2021-04-28 22:39:48,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 71 transitions, 290 flow [2021-04-28 22:39:48,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 71 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:39:48,132 INFO L241 Difference]: Finished difference. Result has 69 places, 67 transitions, 252 flow [2021-04-28 22:39:48,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=252, PETRI_PLACES=69, PETRI_TRANSITIONS=67} [2021-04-28 22:39:48,132 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -77 predicate places. [2021-04-28 22:39:48,132 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:48,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 67 transitions, 252 flow [2021-04-28 22:39:48,133 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 67 transitions, 252 flow [2021-04-28 22:39:48,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions, 252 flow [2021-04-28 22:39:48,241 INFO L129 PetriNetUnfolder]: 239/823 cut-off events. [2021-04-28 22:39:48,241 INFO L130 PetriNetUnfolder]: For 362/427 co-relation queries the response was YES. [2021-04-28 22:39:48,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 823 events. 239/823 cut-off events. For 362/427 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6699 event pairs, 71 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 1684. Up to 216 conditions per place. [2021-04-28 22:39:48,266 INFO L146 LiptonReduction]: Number of co-enabled transitions 2312 [2021-04-28 22:39:48,389 INFO L158 LiptonReduction]: Checked pairs total: 1419 [2021-04-28 22:39:48,389 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:48,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-04-28 22:39:48,391 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 252 flow [2021-04-28 22:39:48,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 227.75) internal successors, (911), 4 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:48,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:48,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:39:48,393 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:48,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:48,394 INFO L82 PathProgramCache]: Analyzing trace with hash -382924673, now seen corresponding path program 1 times [2021-04-28 22:39:48,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:48,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824681683] [2021-04-28 22:39:48,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:48,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:48,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824681683] [2021-04-28 22:39:48,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:48,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:39:48,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379512985] [2021-04-28 22:39:48,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:39:48,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:48,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:39:48,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:39:48,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 360 [2021-04-28 22:39:48,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:48,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 360 [2021-04-28 22:39:48,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:48,642 INFO L129 PetriNetUnfolder]: 213/734 cut-off events. [2021-04-28 22:39:48,642 INFO L130 PetriNetUnfolder]: For 498/673 co-relation queries the response was YES. [2021-04-28 22:39:48,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 734 events. 213/734 cut-off events. For 498/673 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5674 event pairs, 32 based on Foata normal form. 5/540 useless extension candidates. Maximal degree in co-relation 1644. Up to 193 conditions per place. [2021-04-28 22:39:48,653 INFO L132 encePairwiseOnDemand]: 356/360 looper letters, 7 selfloop transitions, 7 changer transitions 0/73 dead transitions. [2021-04-28 22:39:48,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 73 transitions, 316 flow [2021-04-28 22:39:48,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:39:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:39:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 853 transitions. [2021-04-28 22:39:48,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7898148148148149 [2021-04-28 22:39:48,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 853 transitions. [2021-04-28 22:39:48,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 853 transitions. [2021-04-28 22:39:48,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:48,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 853 transitions. [2021-04-28 22:39:48,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,665 INFO L185 Difference]: Start difference. First operand has 69 places, 67 transitions, 252 flow. Second operand 3 states and 853 transitions. [2021-04-28 22:39:48,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 73 transitions, 316 flow [2021-04-28 22:39:48,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 73 transitions, 316 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:39:48,680 INFO L241 Difference]: Finished difference. Result has 72 places, 73 transitions, 323 flow [2021-04-28 22:39:48,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2021-04-28 22:39:48,681 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -74 predicate places. [2021-04-28 22:39:48,681 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:48,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 73 transitions, 323 flow [2021-04-28 22:39:48,682 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 73 transitions, 323 flow [2021-04-28 22:39:48,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 73 transitions, 323 flow [2021-04-28 22:39:48,783 INFO L129 PetriNetUnfolder]: 213/718 cut-off events. [2021-04-28 22:39:48,784 INFO L130 PetriNetUnfolder]: For 503/686 co-relation queries the response was YES. [2021-04-28 22:39:48,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1665 conditions, 718 events. 213/718 cut-off events. For 503/686 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5557 event pairs, 31 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 1650. Up to 193 conditions per place. [2021-04-28 22:39:48,807 INFO L146 LiptonReduction]: Number of co-enabled transitions 2590 [2021-04-28 22:39:48,825 INFO L158 LiptonReduction]: Checked pairs total: 1653 [2021-04-28 22:39:48,826 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:48,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-04-28 22:39:48,837 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 323 flow [2021-04-28 22:39:48,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:48,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:48,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:39:48,838 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:48,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:48,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1628835662, now seen corresponding path program 1 times [2021-04-28 22:39:48,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:48,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506950963] [2021-04-28 22:39:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:48,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:48,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506950963] [2021-04-28 22:39:48,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:48,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:39:48,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256423961] [2021-04-28 22:39:48,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:39:48,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:48,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:39:48,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:39:48,916 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 360 [2021-04-28 22:39:48,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:48,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:48,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 360 [2021-04-28 22:39:48,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:49,032 INFO L129 PetriNetUnfolder]: 190/697 cut-off events. [2021-04-28 22:39:49,032 INFO L130 PetriNetUnfolder]: For 737/982 co-relation queries the response was YES. [2021-04-28 22:39:49,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 697 events. 190/697 cut-off events. For 737/982 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5379 event pairs, 21 based on Foata normal form. 3/507 useless extension candidates. Maximal degree in co-relation 1650. Up to 176 conditions per place. [2021-04-28 22:39:49,043 INFO L132 encePairwiseOnDemand]: 356/360 looper letters, 5 selfloop transitions, 6 changer transitions 0/77 dead transitions. [2021-04-28 22:39:49,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 77 transitions, 369 flow [2021-04-28 22:39:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:39:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:39:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2021-04-28 22:39:49,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037037037037037 [2021-04-28 22:39:49,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 868 transitions. [2021-04-28 22:39:49,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 868 transitions. [2021-04-28 22:39:49,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:49,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 868 transitions. [2021-04-28 22:39:49,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,056 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,056 INFO L185 Difference]: Start difference. First operand has 72 places, 73 transitions, 323 flow. Second operand 3 states and 868 transitions. [2021-04-28 22:39:49,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 77 transitions, 369 flow [2021-04-28 22:39:49,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 77 transitions, 362 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:39:49,062 INFO L241 Difference]: Finished difference. Result has 74 places, 77 transitions, 368 flow [2021-04-28 22:39:49,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=74, PETRI_TRANSITIONS=77} [2021-04-28 22:39:49,062 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -72 predicate places. [2021-04-28 22:39:49,063 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:49,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 77 transitions, 368 flow [2021-04-28 22:39:49,063 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 77 transitions, 368 flow [2021-04-28 22:39:49,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 77 transitions, 368 flow [2021-04-28 22:39:49,163 INFO L129 PetriNetUnfolder]: 190/693 cut-off events. [2021-04-28 22:39:49,163 INFO L130 PetriNetUnfolder]: For 639/788 co-relation queries the response was YES. [2021-04-28 22:39:49,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1668 conditions, 693 events. 190/693 cut-off events. For 639/788 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5455 event pairs, 27 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 1651. Up to 176 conditions per place. [2021-04-28 22:39:49,181 INFO L146 LiptonReduction]: Number of co-enabled transitions 2756 [2021-04-28 22:39:49,190 INFO L158 LiptonReduction]: Checked pairs total: 1731 [2021-04-28 22:39:49,190 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:49,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-04-28 22:39:49,192 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 77 transitions, 368 flow [2021-04-28 22:39:49,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:49,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:49,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:39:49,193 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:49,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1079633140, now seen corresponding path program 1 times [2021-04-28 22:39:49,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:49,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491681376] [2021-04-28 22:39:49,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:49,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:49,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:39:49,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:49,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:49,237 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:39:49,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:39:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:49,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491681376] [2021-04-28 22:39:49,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:49,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:39:49,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646986673] [2021-04-28 22:39:49,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:39:49,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:49,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:39:49,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:39:49,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 360 [2021-04-28 22:39:49,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 77 transitions, 368 flow. Second operand has 4 states, 4 states have (on average 228.25) internal successors, (913), 4 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:49,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 360 [2021-04-28 22:39:49,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:49,438 INFO L129 PetriNetUnfolder]: 190/804 cut-off events. [2021-04-28 22:39:49,438 INFO L130 PetriNetUnfolder]: For 774/1320 co-relation queries the response was YES. [2021-04-28 22:39:49,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2196 conditions, 804 events. 190/804 cut-off events. For 774/1320 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6744 event pairs, 21 based on Foata normal form. 29/598 useless extension candidates. Maximal degree in co-relation 2177. Up to 178 conditions per place. [2021-04-28 22:39:49,451 INFO L132 encePairwiseOnDemand]: 351/360 looper letters, 19 selfloop transitions, 23 changer transitions 1/86 dead transitions. [2021-04-28 22:39:49,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 86 transitions, 526 flow [2021-04-28 22:39:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:39:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:39:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 930 transitions. [2021-04-28 22:39:49,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-04-28 22:39:49,456 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 930 transitions. [2021-04-28 22:39:49,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 930 transitions. [2021-04-28 22:39:49,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:49,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 930 transitions. [2021-04-28 22:39:49,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 232.5) internal successors, (930), 4 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,465 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,465 INFO L185 Difference]: Start difference. First operand has 74 places, 77 transitions, 368 flow. Second operand 4 states and 930 transitions. [2021-04-28 22:39:49,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 86 transitions, 526 flow [2021-04-28 22:39:49,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 86 transitions, 518 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:39:49,471 INFO L241 Difference]: Finished difference. Result has 79 places, 82 transitions, 514 flow [2021-04-28 22:39:49,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=514, PETRI_PLACES=79, PETRI_TRANSITIONS=82} [2021-04-28 22:39:49,472 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -67 predicate places. [2021-04-28 22:39:49,472 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:49,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 82 transitions, 514 flow [2021-04-28 22:39:49,473 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 82 transitions, 514 flow [2021-04-28 22:39:49,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 82 transitions, 514 flow [2021-04-28 22:39:49,591 INFO L129 PetriNetUnfolder]: 190/788 cut-off events. [2021-04-28 22:39:49,591 INFO L130 PetriNetUnfolder]: For 1406/1647 co-relation queries the response was YES. [2021-04-28 22:39:49,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2196 conditions, 788 events. 190/788 cut-off events. For 1406/1647 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6606 event pairs, 24 based on Foata normal form. 4/565 useless extension candidates. Maximal degree in co-relation 2175. Up to 178 conditions per place. [2021-04-28 22:39:49,617 INFO L146 LiptonReduction]: Number of co-enabled transitions 2988 [2021-04-28 22:39:49,700 INFO L158 LiptonReduction]: Checked pairs total: 1909 [2021-04-28 22:39:49,700 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:49,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-04-28 22:39:49,702 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 82 transitions, 514 flow [2021-04-28 22:39:49,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 228.25) internal successors, (913), 4 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:49,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:49,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:39:49,706 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:49,706 INFO L82 PathProgramCache]: Analyzing trace with hash 26824967, now seen corresponding path program 1 times [2021-04-28 22:39:49,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:49,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820699955] [2021-04-28 22:39:49,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:49,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:49,810 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:39:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:39:49,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:49,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:39:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:49,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820699955] [2021-04-28 22:39:49,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:49,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:39:49,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568894066] [2021-04-28 22:39:49,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:39:49,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:39:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:39:49,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 360 [2021-04-28 22:39:49,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 82 transitions, 514 flow. Second operand has 4 states, 4 states have (on average 261.75) internal successors, (1047), 4 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:49,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:49,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 360 [2021-04-28 22:39:49,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:04,804 INFO L129 PetriNetUnfolder]: 77952/115749 cut-off events. [2021-04-28 22:40:04,805 INFO L130 PetriNetUnfolder]: For 12453/13460 co-relation queries the response was YES. [2021-04-28 22:40:05,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236520 conditions, 115749 events. 77952/115749 cut-off events. For 12453/13460 co-relation queries the response was YES. Maximal size of possible extension queue 17898. Compared 1120958 event pairs, 39583 based on Foata normal form. 2085/35322 useless extension candidates. Maximal degree in co-relation 236497. Up to 73996 conditions per place. [2021-04-28 22:40:05,777 INFO L132 encePairwiseOnDemand]: 340/360 looper letters, 34 selfloop transitions, 33 changer transitions 0/126 dead transitions. [2021-04-28 22:40:05,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 126 transitions, 736 flow [2021-04-28 22:40:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:40:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:40:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1371 transitions. [2021-04-28 22:40:05,783 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7616666666666667 [2021-04-28 22:40:05,783 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1371 transitions. [2021-04-28 22:40:05,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1371 transitions. [2021-04-28 22:40:05,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:05,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1371 transitions. [2021-04-28 22:40:05,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:05,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 360.0) internal successors, (2160), 6 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:05,794 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 360.0) internal successors, (2160), 6 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:05,795 INFO L185 Difference]: Start difference. First operand has 79 places, 82 transitions, 514 flow. Second operand 5 states and 1371 transitions. [2021-04-28 22:40:05,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 126 transitions, 736 flow [2021-04-28 22:40:05,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 126 transitions, 734 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 22:40:05,834 INFO L241 Difference]: Finished difference. Result has 86 places, 113 transitions, 758 flow [2021-04-28 22:40:05,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=758, PETRI_PLACES=86, PETRI_TRANSITIONS=113} [2021-04-28 22:40:05,835 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -60 predicate places. [2021-04-28 22:40:05,835 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:05,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 113 transitions, 758 flow [2021-04-28 22:40:05,836 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 113 transitions, 758 flow [2021-04-28 22:40:05,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 113 transitions, 758 flow [2021-04-28 22:40:16,741 INFO L129 PetriNetUnfolder]: 67376/101203 cut-off events. [2021-04-28 22:40:16,741 INFO L130 PetriNetUnfolder]: For 21774/66483 co-relation queries the response was YES. [2021-04-28 22:40:17,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291066 conditions, 101203 events. 67376/101203 cut-off events. For 21774/66483 co-relation queries the response was YES. Maximal size of possible extension queue 16503. Compared 1013721 event pairs, 38389 based on Foata normal form. 28/30143 useless extension candidates. Maximal degree in co-relation 291040. Up to 96248 conditions per place. [2021-04-28 22:40:18,484 INFO L146 LiptonReduction]: Number of co-enabled transitions 4802 [2021-04-28 22:40:18,672 INFO L158 LiptonReduction]: Checked pairs total: 3464 [2021-04-28 22:40:18,672 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:18,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12837 [2021-04-28 22:40:18,674 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 113 transitions, 758 flow [2021-04-28 22:40:18,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 261.75) internal successors, (1047), 4 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:18,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:18,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:18,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:40:18,675 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1863132240, now seen corresponding path program 1 times [2021-04-28 22:40:18,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:18,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125561775] [2021-04-28 22:40:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:18,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:18,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:40:18,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:18,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:18,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125561775] [2021-04-28 22:40:18,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:18,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:40:18,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188093916] [2021-04-28 22:40:18,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:40:18,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:18,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:40:18,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:40:18,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 360 [2021-04-28 22:40:18,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 113 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:18,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:18,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 360 [2021-04-28 22:40:18,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:39,230 INFO L129 PetriNetUnfolder]: 114769/168720 cut-off events. [2021-04-28 22:40:39,231 INFO L130 PetriNetUnfolder]: For 47346/167975 co-relation queries the response was YES. [2021-04-28 22:40:39,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486252 conditions, 168720 events. 114769/168720 cut-off events. For 47346/167975 co-relation queries the response was YES. Maximal size of possible extension queue 25335. Compared 1674090 event pairs, 67189 based on Foata normal form. 623/50822 useless extension candidates. Maximal degree in co-relation 486224. Up to 160997 conditions per place. [2021-04-28 22:40:40,818 INFO L132 encePairwiseOnDemand]: 357/360 looper letters, 6 selfloop transitions, 8 changer transitions 0/113 dead transitions. [2021-04-28 22:40:40,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 113 transitions, 786 flow [2021-04-28 22:40:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:40:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:40:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 867 transitions. [2021-04-28 22:40:40,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8027777777777778 [2021-04-28 22:40:40,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 867 transitions. [2021-04-28 22:40:40,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 867 transitions. [2021-04-28 22:40:40,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:40,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 867 transitions. [2021-04-28 22:40:40,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.0) internal successors, (867), 3 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:40,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:40,828 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 360.0) internal successors, (1440), 4 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:40,828 INFO L185 Difference]: Start difference. First operand has 86 places, 113 transitions, 758 flow. Second operand 3 states and 867 transitions. [2021-04-28 22:40:40,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 113 transitions, 786 flow [2021-04-28 22:40:41,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 113 transitions, 786 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:40:41,118 INFO L241 Difference]: Finished difference. Result has 89 places, 113 transitions, 784 flow [2021-04-28 22:40:41,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=89, PETRI_TRANSITIONS=113} [2021-04-28 22:40:41,119 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -57 predicate places. [2021-04-28 22:40:41,119 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:41,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 113 transitions, 784 flow [2021-04-28 22:40:41,119 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 113 transitions, 784 flow [2021-04-28 22:40:41,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 113 transitions, 784 flow [2021-04-28 22:40:59,904 INFO L129 PetriNetUnfolder]: 114799/168733 cut-off events. [2021-04-28 22:40:59,904 INFO L130 PetriNetUnfolder]: For 31977/117961 co-relation queries the response was YES. [2021-04-28 22:41:00,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485495 conditions, 168733 events. 114799/168733 cut-off events. For 31977/117961 co-relation queries the response was YES. Maximal size of possible extension queue 25525. Compared 1715364 event pairs, 67807 based on Foata normal form. 28/49699 useless extension candidates. Maximal degree in co-relation 485467. Up to 162128 conditions per place. [2021-04-28 22:41:02,482 INFO L146 LiptonReduction]: Number of co-enabled transitions 4800 [2021-04-28 22:41:02,896 INFO L158 LiptonReduction]: Checked pairs total: 3464 [2021-04-28 22:41:02,896 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:41:02,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21777 [2021-04-28 22:41:02,900 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 113 transitions, 784 flow [2021-04-28 22:41:02,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:02,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:41:02,901 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:41:02,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:41:02,901 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:41:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:41:02,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1327268447, now seen corresponding path program 1 times [2021-04-28 22:41:02,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:41:02,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645746245] [2021-04-28 22:41:02,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:41:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:41:02,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:41:02,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:41:02,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:41:02,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:41:02,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:41:02,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:41:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:41:03,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645746245] [2021-04-28 22:41:03,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:41:03,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:41:03,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942469198] [2021-04-28 22:41:03,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:41:03,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:41:03,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:41:03,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:41:03,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 360 [2021-04-28 22:41:03,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 113 transitions, 784 flow. Second operand has 4 states, 4 states have (on average 228.25) internal successors, (913), 4 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:03,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:41:03,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 360 [2021-04-28 22:41:03,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:41:38,283 INFO L129 PetriNetUnfolder]: 191086/276286 cut-off events. [2021-04-28 22:41:38,283 INFO L130 PetriNetUnfolder]: For 68759/283530 co-relation queries the response was YES. [2021-04-28 22:41:39,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 795843 conditions, 276286 events. 191086/276286 cut-off events. For 68759/283530 co-relation queries the response was YES. Maximal size of possible extension queue 39972. Compared 2784348 event pairs, 114363 based on Foata normal form. 889/82335 useless extension candidates. Maximal degree in co-relation 795813. Up to 266039 conditions per place. [2021-04-28 22:41:40,006 INFO L132 encePairwiseOnDemand]: 351/360 looper letters, 33 selfloop transitions, 26 changer transitions 0/133 dead transitions. [2021-04-28 22:41:40,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 133 transitions, 1131 flow [2021-04-28 22:41:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:41:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:41:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 931 transitions. [2021-04-28 22:41:40,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6465277777777778 [2021-04-28 22:41:40,011 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 931 transitions. [2021-04-28 22:41:40,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 931 transitions. [2021-04-28 22:41:40,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:41:40,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 931 transitions. [2021-04-28 22:41:40,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:40,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:40,020 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:40,020 INFO L185 Difference]: Start difference. First operand has 89 places, 113 transitions, 784 flow. Second operand 4 states and 931 transitions. [2021-04-28 22:41:40,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 133 transitions, 1131 flow [2021-04-28 22:41:40,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 133 transitions, 1106 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-04-28 22:41:40,792 INFO L241 Difference]: Finished difference. Result has 94 places, 126 transitions, 1068 flow [2021-04-28 22:41:40,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1068, PETRI_PLACES=94, PETRI_TRANSITIONS=126} [2021-04-28 22:41:40,792 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -52 predicate places. [2021-04-28 22:41:40,793 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:41:40,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 126 transitions, 1068 flow [2021-04-28 22:41:40,793 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 126 transitions, 1068 flow [2021-04-28 22:41:40,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 126 transitions, 1068 flow [2021-04-28 22:42:28,176 INFO L129 PetriNetUnfolder]: 194259/281589 cut-off events. [2021-04-28 22:42:28,177 INFO L130 PetriNetUnfolder]: For 47196/182930 co-relation queries the response was YES. [2021-04-28 22:42:29,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 810501 conditions, 281589 events. 194259/281589 cut-off events. For 47196/182930 co-relation queries the response was YES. Maximal size of possible extension queue 41432. Compared 2928271 event pairs, 117138 based on Foata normal form. 41/83686 useless extension candidates. Maximal degree in co-relation 810469. Up to 272324 conditions per place. [2021-04-28 22:42:32,656 INFO L146 LiptonReduction]: Number of co-enabled transitions 5890 [2021-04-28 22:42:33,220 INFO L158 LiptonReduction]: Checked pairs total: 3734 [2021-04-28 22:42:33,220 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:42:33,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52428 [2021-04-28 22:42:33,222 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 126 transitions, 1068 flow [2021-04-28 22:42:33,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 228.25) internal successors, (913), 4 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:42:33,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:42:33,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:42:33,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:42:33,223 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:42:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:42:33,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1984029196, now seen corresponding path program 1 times [2021-04-28 22:42:33,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:42:33,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711994522] [2021-04-28 22:42:33,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:42:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:42:33,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:42:33,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:42:33,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:42:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:42:33,286 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:42:33,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:42:33,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:42:33,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:42:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:42:33,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711994522] [2021-04-28 22:42:33,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:42:33,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:42:33,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708893567] [2021-04-28 22:42:33,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:42:33,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:42:33,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:42:33,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:42:33,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 360 [2021-04-28 22:42:33,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 126 transitions, 1068 flow. Second operand has 5 states, 5 states have (on average 261.8) internal successors, (1309), 5 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:42:33,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:42:33,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 360 [2021-04-28 22:42:33,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:43:43,136 INFO L129 PetriNetUnfolder]: 252949/376728 cut-off events. [2021-04-28 22:43:43,136 INFO L130 PetriNetUnfolder]: For 102313/903562 co-relation queries the response was YES. [2021-04-28 22:43:45,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1455633 conditions, 376728 events. 252949/376728 cut-off events. For 102313/903562 co-relation queries the response was YES. Maximal size of possible extension queue 61362. Compared 4077393 event pairs, 57091 based on Foata normal form. 6265/126450 useless extension candidates. Maximal degree in co-relation 1455599. Up to 356843 conditions per place. [2021-04-28 22:43:45,952 INFO L132 encePairwiseOnDemand]: 340/360 looper letters, 35 selfloop transitions, 64 changer transitions 0/171 dead transitions. [2021-04-28 22:43:45,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 171 transitions, 1515 flow [2021-04-28 22:43:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:43:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:43:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1923 transitions. [2021-04-28 22:43:45,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.763095238095238 [2021-04-28 22:43:45,958 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1923 transitions. [2021-04-28 22:43:45,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1923 transitions. [2021-04-28 22:43:45,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:43:45,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1923 transitions. [2021-04-28 22:43:45,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 274.7142857142857) internal successors, (1923), 7 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:43:45,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 360.0) internal successors, (2880), 8 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:43:45,971 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 360.0) internal successors, (2880), 8 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:43:45,971 INFO L185 Difference]: Start difference. First operand has 94 places, 126 transitions, 1068 flow. Second operand 7 states and 1923 transitions. [2021-04-28 22:43:45,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 171 transitions, 1515 flow [2021-04-28 22:43:47,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 171 transitions, 1509 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 22:43:47,327 INFO L241 Difference]: Finished difference. Result has 103 places, 157 transitions, 1504 flow [2021-04-28 22:43:47,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1504, PETRI_PLACES=103, PETRI_TRANSITIONS=157} [2021-04-28 22:43:47,328 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -43 predicate places. [2021-04-28 22:43:47,328 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:43:47,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 157 transitions, 1504 flow [2021-04-28 22:43:47,328 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 157 transitions, 1504 flow [2021-04-28 22:43:47,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 157 transitions, 1504 flow [2021-04-28 22:44:54,176 INFO L129 PetriNetUnfolder]: 225685/339481 cut-off events. [2021-04-28 22:44:54,176 INFO L130 PetriNetUnfolder]: For 587577/1220725 co-relation queries the response was YES. [2021-04-28 22:44:56,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1622240 conditions, 339481 events. 225685/339481 cut-off events. For 587577/1220725 co-relation queries the response was YES. Maximal size of possible extension queue 56768. Compared 3821180 event pairs, 55115 based on Foata normal form. 106/104102 useless extension candidates. Maximal degree in co-relation 1622203. Up to 328898 conditions per place. [2021-04-28 22:45:00,622 INFO L146 LiptonReduction]: Number of co-enabled transitions 8162 [2021-04-28 22:45:02,148 INFO L158 LiptonReduction]: Checked pairs total: 7497 [2021-04-28 22:45:02,148 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:45:02,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74820 [2021-04-28 22:45:02,149 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 157 transitions, 1504 flow [2021-04-28 22:45:02,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 261.8) internal successors, (1309), 5 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:45:02,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:45:02,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:45:02,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 22:45:02,151 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:45:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:45:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash 456507952, now seen corresponding path program 1 times [2021-04-28 22:45:02,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:45:02,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302545679] [2021-04-28 22:45:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:45:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:45:02,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:45:02,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:45:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:45:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:45:02,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:45:02,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:45:02,259 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:45:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:45:02,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:45:02,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:45:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:45:02,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302545679] [2021-04-28 22:45:02,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:45:02,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:45:02,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865290055] [2021-04-28 22:45:02,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:45:02,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:45:02,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:45:02,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:45:02,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 360 [2021-04-28 22:45:02,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 157 transitions, 1504 flow. Second operand has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:45:02,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:45:02,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 360 [2021-04-28 22:45:02,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:46:20,439 INFO L129 PetriNetUnfolder]: 245659/385782 cut-off events. [2021-04-28 22:46:20,439 INFO L130 PetriNetUnfolder]: For 328325/2876809 co-relation queries the response was YES. [2021-04-28 22:46:23,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2209559 conditions, 385782 events. 245659/385782 cut-off events. For 328325/2876809 co-relation queries the response was YES. Maximal size of possible extension queue 67959. Compared 4544696 event pairs, 9841 based on Foata normal form. 6586/129426 useless extension candidates. Maximal degree in co-relation 2209520. Up to 368039 conditions per place. [2021-04-28 22:46:23,518 INFO L132 encePairwiseOnDemand]: 340/360 looper letters, 24 selfloop transitions, 95 changer transitions 22/203 dead transitions. [2021-04-28 22:46:23,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 203 transitions, 2176 flow [2021-04-28 22:46:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:46:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:46:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2475 transitions. [2021-04-28 22:46:23,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2021-04-28 22:46:23,526 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2475 transitions. [2021-04-28 22:46:23,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2475 transitions. [2021-04-28 22:46:23,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:46:23,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2475 transitions. [2021-04-28 22:46:23,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 275.0) internal successors, (2475), 9 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:46:23,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 360.0) internal successors, (3600), 10 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:46:23,543 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 360.0) internal successors, (3600), 10 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:46:23,544 INFO L185 Difference]: Start difference. First operand has 103 places, 157 transitions, 1504 flow. Second operand 9 states and 2475 transitions. [2021-04-28 22:46:23,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 203 transitions, 2176 flow [2021-04-28 22:48:36,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 203 transitions, 2013 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 22:48:36,853 INFO L241 Difference]: Finished difference. Result has 111 places, 178 transitions, 1790 flow [2021-04-28 22:48:36,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=1342, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1790, PETRI_PLACES=111, PETRI_TRANSITIONS=178} [2021-04-28 22:48:36,853 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -35 predicate places. [2021-04-28 22:48:36,854 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:48:36,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 178 transitions, 1790 flow [2021-04-28 22:48:36,854 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 178 transitions, 1790 flow [2021-04-28 22:48:36,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 178 transitions, 1790 flow