/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/mix037_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:16:22,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:16:22,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:16:22,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:16:22,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:16:22,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:16:22,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:16:22,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:16:22,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:16:22,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:16:22,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:16:22,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:16:22,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:16:22,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:16:22,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:16:22,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:16:22,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:16:22,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:16:22,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:16:22,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:16:22,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:16:22,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:16:22,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:16:22,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:16:22,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:16:22,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:16:22,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:16:22,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:16:22,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:16:22,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:16:22,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:16:22,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:16:22,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:16:22,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:16:22,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:16:22,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:16:22,276 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 20:16:22,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:16:22,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:16:22,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:16:22,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:16:22,305 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:16:22,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:16:22,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:16:22,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:16:22,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:16:22,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:16:22,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:16:22,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:16:22,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:16:22,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:16:22,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:16:22,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:16:22,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:16:22,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:16:22,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:16:22,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:16:22,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:16:22,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:16:22,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:16:22,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:16:22,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:16:22,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:16:22,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:16:22,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:16:22,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:16:22,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:16:22,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:16:22,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:16:22,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:16:22,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:16:22,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:16:22,701 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:16:22,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_pso.oepc.i [2021-04-28 20:16:22,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6a2e602/0a9f2cecca46436ebd8a6ef2d79106d4/FLAG04916f1bf [2021-04-28 20:16:23,467 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:16:23,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_pso.oepc.i [2021-04-28 20:16:23,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6a2e602/0a9f2cecca46436ebd8a6ef2d79106d4/FLAG04916f1bf [2021-04-28 20:16:23,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6a2e602/0a9f2cecca46436ebd8a6ef2d79106d4 [2021-04-28 20:16:23,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:16:23,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:16:23,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:16:23,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:16:23,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:16:23,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:16:23" (1/1) ... [2021-04-28 20:16:23,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff61f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:23, skipping insertion in model container [2021-04-28 20:16:23,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:16:23" (1/1) ... [2021-04-28 20:16:23,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:16:23,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:16:23,979 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/mix037_pso.oepc.i[949,962] [2021-04-28 20:16:24,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:16:24,290 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:16:24,310 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/mix037_pso.oepc.i[949,962] [2021-04-28 20:16:24,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:16:24,526 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:16:24,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24 WrapperNode [2021-04-28 20:16:24,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:16:24,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:16:24,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:16:24,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:16:24,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:16:24,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:16:24,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:16:24,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:16:24,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (1/1) ... [2021-04-28 20:16:24,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:16:24,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:16:24,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:16:24,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:16:24,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (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 20:16:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:16:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:16:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:16:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:16:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:16:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:16:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:16:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:16:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:16:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:16:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:16:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:16:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:16:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:16:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:16:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:16:24,778 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 20:16:26,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:16:26,868 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:16:26,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:16:26 BoogieIcfgContainer [2021-04-28 20:16:26,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:16:26,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:16:26,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:16:26,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:16:26,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:16:23" (1/3) ... [2021-04-28 20:16:26,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d7cc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:16:26, skipping insertion in model container [2021-04-28 20:16:26,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:24" (2/3) ... [2021-04-28 20:16:26,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d7cc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:16:26, skipping insertion in model container [2021-04-28 20:16:26,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:16:26" (3/3) ... [2021-04-28 20:16:26,883 INFO L111 eAbstractionObserver]: Analyzing ICFG mix037_pso.oepc.i [2021-04-28 20:16:26,891 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:16:26,901 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:16:26,902 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:16:26,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,957 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,959 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,959 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,967 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,967 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,967 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,973 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,973 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,979 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,979 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,980 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,980 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,991 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,992 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,993 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,994 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,994 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,995 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,995 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,995 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:26,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,000 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,002 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,003 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,004 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,005 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,005 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,005 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,005 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,005 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,005 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,007 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,008 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,008 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,008 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,008 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,008 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,008 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,010 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,014 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,015 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,019 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,019 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,019 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,029 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,031 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,031 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,042 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,042 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:27,044 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:16:27,067 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:16:27,106 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:16:27,106 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:16:27,106 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:16:27,106 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:16:27,106 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:16:27,107 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:16:27,107 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:16:27,107 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:16:27,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:16:27,203 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:16:27,203 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:27,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:16:27,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:16:27,233 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 20:16:27,235 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:16:27,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:16:27,254 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:16:27,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 20:16:27,284 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:16:27,284 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:27,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:16:27,289 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:16:28,770 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:16:31,162 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:16:31,284 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:16:31,801 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 20:16:32,026 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:16:32,947 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 20:16:33,226 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 20:16:42,126 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:16:47,682 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:16:49,600 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:49,718 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:49,825 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:49,942 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:50,162 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:50,436 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:50,541 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:50,839 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:51,244 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:51,359 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:51,484 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:51,612 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:52,798 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:52,941 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:53,058 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:53,173 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:53,672 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:53,781 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:53,892 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:54,000 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:54,102 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:54,493 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:55,322 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:55,460 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:55,608 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:55,782 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:56,082 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:56,186 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:56,673 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:56,780 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:56,886 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:57,350 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:57,498 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:57,644 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:57,790 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:57,921 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:58,051 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:58,188 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:58,326 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:58,514 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:58,658 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:58,805 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:58,953 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:59,117 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:59,280 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:59,448 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:59,616 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:59,770 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:59,921 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:17:00,076 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:17:00,234 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:17:00,405 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:17:00,576 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:17:00,749 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:17:00,922 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:17:01,061 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:01,202 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:01,340 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:01,511 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:01,650 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:01,796 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:01,942 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:02,087 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:02,226 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:02,367 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:02,515 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:02,662 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:02,794 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:17:02,917 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:17:03,045 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:17:03,174 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:17:03,356 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:17:03,540 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:17:03,724 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:17:03,906 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:17:04,068 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:17:04,233 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:17:04,397 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:17:04,560 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:17:04,756 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:04,925 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:05,104 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:05,284 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:05,477 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:05,670 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:05,858 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:06,041 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:06,204 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:06,365 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:06,521 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:06,680 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:17:06,799 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:06,916 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:07,033 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:07,153 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:07,389 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:07,600 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:07,807 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:08,013 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:08,161 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:08,301 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:08,461 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:08,601 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:17:08,804 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:17:09,010 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:17:09,212 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:17:09,426 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:17:09,636 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:09,848 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:10,052 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:10,258 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:10,466 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:10,671 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:10,877 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:11,081 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:11,288 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:11,498 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:11,706 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:11,912 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:12,121 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:12,316 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:12,514 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:12,718 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:12,839 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:12,964 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:13,085 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:13,205 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:17:13,750 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:17:14,008 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:17:14,542 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:17:14,797 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:17:15,016 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:15,227 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:15,441 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:15,653 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:16,173 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:17:16,408 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:17:16,927 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:17:17,171 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:17:17,360 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:17,552 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:17,739 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:17,927 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:17,985 INFO L158 LiptonReduction]: Checked pairs total: 28569 [2021-04-28 20:17:17,985 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 20:17:17,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50758 [2021-04-28 20:17:18,013 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 20:17:18,014 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:18,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:18,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:17:18,015 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:18,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:18,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1402811, now seen corresponding path program 1 times [2021-04-28 20:17:18,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:18,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024203817] [2021-04-28 20:17:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:18,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:18,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:18,347 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 20:17:18,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024203817] [2021-04-28 20:17:18,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:18,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:17:18,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698499327] [2021-04-28 20:17:18,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:17:18,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:18,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:17:18,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:17:18,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 409 [2021-04-28 20:17:18,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 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 20:17:18,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:18,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 409 [2021-04-28 20:17:18,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:18,669 INFO L129 PetriNetUnfolder]: 133/825 cut-off events. [2021-04-28 20:17:18,669 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:18,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 825 events. 133/825 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7317 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 975. Up to 153 conditions per place. [2021-04-28 20:17:18,681 INFO L132 encePairwiseOnDemand]: 386/409 looper letters, 11 selfloop transitions, 2 changer transitions 60/145 dead transitions. [2021-04-28 20:17:18,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 362 flow [2021-04-28 20:17:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:17:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:17:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2021-04-28 20:17:18,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7832110839445803 [2021-04-28 20:17:18,704 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2021-04-28 20:17:18,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2021-04-28 20:17:18,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:18,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2021-04-28 20:17:18,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 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 20:17:18,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:18,738 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:18,741 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 961 transitions. [2021-04-28 20:17:18,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 362 flow [2021-04-28 20:17:18,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:17:18,751 INFO L241 Difference]: Finished difference. Result has 151 places, 80 transitions, 172 flow [2021-04-28 20:17:18,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=151, PETRI_TRANSITIONS=80} [2021-04-28 20:17:18,755 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 20:17:18,755 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:18,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:17:18,756 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:17:18,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 20:17:18,772 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 20:17:18,773 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:18,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 389 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:17:18,777 INFO L146 LiptonReduction]: Number of co-enabled transitions 3316 [2021-04-28 20:17:19,471 INFO L158 LiptonReduction]: Checked pairs total: 4278 [2021-04-28 20:17:19,471 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:19,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 717 [2021-04-28 20:17:19,474 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 20:17:19,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 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 20:17:19,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:19,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:19,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:17:19,476 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:19,476 INFO L82 PathProgramCache]: Analyzing trace with hash 593966690, now seen corresponding path program 1 times [2021-04-28 20:17:19,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:19,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944026497] [2021-04-28 20:17:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:19,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:19,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:19,680 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 20:17:19,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944026497] [2021-04-28 20:17:19,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:19,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:17:19,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675692000] [2021-04-28 20:17:19,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:17:19,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:19,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:17:19,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:17:19,693 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 409 [2021-04-28 20:17:19,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 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 20:17:19,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:19,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 409 [2021-04-28 20:17:19,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:21,191 INFO L129 PetriNetUnfolder]: 3314/8858 cut-off events. [2021-04-28 20:17:21,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:21,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13814 conditions, 8858 events. 3314/8858 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1360. Compared 107402 event pairs, 1159 based on Foata normal form. 0/5606 useless extension candidates. Maximal degree in co-relation 13805. Up to 3411 conditions per place. [2021-04-28 20:17:21,254 INFO L132 encePairwiseOnDemand]: 387/409 looper letters, 7 selfloop transitions, 7 changer transitions 48/109 dead transitions. [2021-04-28 20:17:21,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 109 transitions, 354 flow [2021-04-28 20:17:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:17:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:17:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2021-04-28 20:17:21,259 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6202118989405053 [2021-04-28 20:17:21,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2021-04-28 20:17:21,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2021-04-28 20:17:21,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:21,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2021-04-28 20:17:21,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 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 20:17:21,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:21,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:21,267 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 761 transitions. [2021-04-28 20:17:21,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 109 transitions, 354 flow [2021-04-28 20:17:21,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 109 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:17:21,274 INFO L241 Difference]: Finished difference. Result has 93 places, 61 transitions, 172 flow [2021-04-28 20:17:21,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=93, PETRI_TRANSITIONS=61} [2021-04-28 20:17:21,275 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -63 predicate places. [2021-04-28 20:17:21,275 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:21,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 61 transitions, 172 flow [2021-04-28 20:17:21,276 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 61 transitions, 172 flow [2021-04-28 20:17:21,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 61 transitions, 172 flow [2021-04-28 20:17:21,398 INFO L129 PetriNetUnfolder]: 152/595 cut-off events. [2021-04-28 20:17:21,399 INFO L130 PetriNetUnfolder]: For 39/47 co-relation queries the response was YES. [2021-04-28 20:17:21,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 595 events. 152/595 cut-off events. For 39/47 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4653 event pairs, 73 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 954. Up to 221 conditions per place. [2021-04-28 20:17:21,417 INFO L146 LiptonReduction]: Number of co-enabled transitions 2100 [2021-04-28 20:17:21,680 INFO L158 LiptonReduction]: Checked pairs total: 1441 [2021-04-28 20:17:21,680 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:21,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-04-28 20:17:21,683 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 172 flow [2021-04-28 20:17:21,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 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 20:17:21,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:21,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:21,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:17:21,685 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:21,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1233096230, now seen corresponding path program 1 times [2021-04-28 20:17:21,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:21,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368395154] [2021-04-28 20:17:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:21,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:21,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:21,802 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:21,820 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 20:17:21,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368395154] [2021-04-28 20:17:21,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:21,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:17:21,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067378713] [2021-04-28 20:17:21,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:21,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:21,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:21,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:21,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 409 [2021-04-28 20:17:21,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 172 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 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 20:17:21,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:21,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 409 [2021-04-28 20:17:21,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:21,942 INFO L129 PetriNetUnfolder]: 122/442 cut-off events. [2021-04-28 20:17:21,942 INFO L130 PetriNetUnfolder]: For 72/313 co-relation queries the response was YES. [2021-04-28 20:17:21,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 442 events. 122/442 cut-off events. For 72/313 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2864 event pairs, 14 based on Foata normal form. 3/314 useless extension candidates. Maximal degree in co-relation 951. Up to 181 conditions per place. [2021-04-28 20:17:21,948 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 13 selfloop transitions, 8 changer transitions 0/68 dead transitions. [2021-04-28 20:17:21,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 68 transitions, 250 flow [2021-04-28 20:17:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:17:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:17:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 953 transitions. [2021-04-28 20:17:21,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5825183374083129 [2021-04-28 20:17:21,953 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 953 transitions. [2021-04-28 20:17:21,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 953 transitions. [2021-04-28 20:17:21,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:21,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 953 transitions. [2021-04-28 20:17:21,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.25) internal successors, (953), 4 states have internal predecessors, (953), 0 states have call successors, (0), 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 20:17:21,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 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 20:17:21,963 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 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 20:17:21,963 INFO L185 Difference]: Start difference. First operand has 68 places, 61 transitions, 172 flow. Second operand 4 states and 953 transitions. [2021-04-28 20:17:21,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 68 transitions, 250 flow [2021-04-28 20:17:21,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 68 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:17:21,968 INFO L241 Difference]: Finished difference. Result has 72 places, 65 transitions, 216 flow [2021-04-28 20:17:21,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=216, PETRI_PLACES=72, PETRI_TRANSITIONS=65} [2021-04-28 20:17:21,968 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -84 predicate places. [2021-04-28 20:17:21,968 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:21,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 65 transitions, 216 flow [2021-04-28 20:17:21,969 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 65 transitions, 216 flow [2021-04-28 20:17:21,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 65 transitions, 216 flow [2021-04-28 20:17:22,039 INFO L129 PetriNetUnfolder]: 122/498 cut-off events. [2021-04-28 20:17:22,040 INFO L130 PetriNetUnfolder]: For 146/172 co-relation queries the response was YES. [2021-04-28 20:17:22,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 498 events. 122/498 cut-off events. For 146/172 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3611 event pairs, 51 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 912. Up to 181 conditions per place. [2021-04-28 20:17:22,055 INFO L146 LiptonReduction]: Number of co-enabled transitions 2260 [2021-04-28 20:17:22,106 INFO L158 LiptonReduction]: Checked pairs total: 1602 [2021-04-28 20:17:22,106 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:22,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-04-28 20:17:22,110 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 65 transitions, 216 flow [2021-04-28 20:17:22,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 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 20:17:22,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:22,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:22,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:17:22,112 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:22,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:22,112 INFO L82 PathProgramCache]: Analyzing trace with hash -481086827, now seen corresponding path program 1 times [2021-04-28 20:17:22,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:22,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421178292] [2021-04-28 20:17:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:22,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:22,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:22,247 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 20:17:22,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421178292] [2021-04-28 20:17:22,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:22,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:17:22,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652971251] [2021-04-28 20:17:22,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:17:22,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:22,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:17:22,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:17:22,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 409 [2021-04-28 20:17:22,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 65 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 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 20:17:22,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:22,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 409 [2021-04-28 20:17:22,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:22,338 INFO L129 PetriNetUnfolder]: 106/426 cut-off events. [2021-04-28 20:17:22,338 INFO L130 PetriNetUnfolder]: For 228/270 co-relation queries the response was YES. [2021-04-28 20:17:22,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 426 events. 106/426 cut-off events. For 228/270 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2856 event pairs, 44 based on Foata normal form. 5/297 useless extension candidates. Maximal degree in co-relation 855. Up to 161 conditions per place. [2021-04-28 20:17:22,345 INFO L132 encePairwiseOnDemand]: 405/409 looper letters, 6 selfloop transitions, 6 changer transitions 0/69 dead transitions. [2021-04-28 20:17:22,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 69 transitions, 264 flow [2021-04-28 20:17:22,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:17:22,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:17:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2021-04-28 20:17:22,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7758761206193969 [2021-04-28 20:17:22,349 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2021-04-28 20:17:22,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2021-04-28 20:17:22,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:22,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2021-04-28 20:17:22,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 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 20:17:22,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:22,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:22,360 INFO L185 Difference]: Start difference. First operand has 72 places, 65 transitions, 216 flow. Second operand 3 states and 952 transitions. [2021-04-28 20:17:22,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 69 transitions, 264 flow [2021-04-28 20:17:22,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 69 transitions, 261 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:17:22,365 INFO L241 Difference]: Finished difference. Result has 74 places, 69 transitions, 265 flow [2021-04-28 20:17:22,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=74, PETRI_TRANSITIONS=69} [2021-04-28 20:17:22,365 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -82 predicate places. [2021-04-28 20:17:22,365 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:22,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 69 transitions, 265 flow [2021-04-28 20:17:22,366 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 69 transitions, 265 flow [2021-04-28 20:17:22,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 69 transitions, 265 flow [2021-04-28 20:17:22,431 INFO L129 PetriNetUnfolder]: 106/414 cut-off events. [2021-04-28 20:17:22,432 INFO L130 PetriNetUnfolder]: For 185/211 co-relation queries the response was YES. [2021-04-28 20:17:22,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 414 events. 106/414 cut-off events. For 185/211 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2824 event pairs, 34 based on Foata normal form. 1/290 useless extension candidates. Maximal degree in co-relation 851. Up to 161 conditions per place. [2021-04-28 20:17:22,445 INFO L146 LiptonReduction]: Number of co-enabled transitions 2456 [2021-04-28 20:17:22,519 INFO L158 LiptonReduction]: Checked pairs total: 1757 [2021-04-28 20:17:22,519 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:22,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-04-28 20:17:22,521 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 265 flow [2021-04-28 20:17:22,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 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 20:17:22,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:22,522 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:22,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:17:22,523 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1755562859, now seen corresponding path program 1 times [2021-04-28 20:17:22,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:22,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013240747] [2021-04-28 20:17:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:22,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:22,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:22,619 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:17:22,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:17:22,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:22,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:22,631 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 20:17:22,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013240747] [2021-04-28 20:17:22,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:22,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:17:22,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931858050] [2021-04-28 20:17:22,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:22,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:22,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:22,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:22,640 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:17:22,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 265 flow. Second operand has 4 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 0 states have call successors, (0), 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 20:17:22,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:22,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:17:22,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:29,702 INFO L129 PetriNetUnfolder]: 43892/65396 cut-off events. [2021-04-28 20:17:29,702 INFO L130 PetriNetUnfolder]: For 2372/2628 co-relation queries the response was YES. [2021-04-28 20:17:29,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132365 conditions, 65396 events. 43892/65396 cut-off events. For 2372/2628 co-relation queries the response was YES. Maximal size of possible extension queue 9768. Compared 606379 event pairs, 23166 based on Foata normal form. 1204/20268 useless extension candidates. Maximal degree in co-relation 132349. Up to 41674 conditions per place. [2021-04-28 20:17:30,355 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 34 selfloop transitions, 33 changer transitions 0/113 dead transitions. [2021-04-28 20:17:30,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 113 transitions, 487 flow [2021-04-28 20:17:30,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:17:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:17:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1631 transitions. [2021-04-28 20:17:30,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7975550122249389 [2021-04-28 20:17:30,362 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1631 transitions. [2021-04-28 20:17:30,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1631 transitions. [2021-04-28 20:17:30,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:30,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1631 transitions. [2021-04-28 20:17:30,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.2) internal successors, (1631), 5 states have internal predecessors, (1631), 0 states have call successors, (0), 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 20:17:30,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 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 20:17:30,378 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 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 20:17:30,378 INFO L185 Difference]: Start difference. First operand has 74 places, 69 transitions, 265 flow. Second operand 5 states and 1631 transitions. [2021-04-28 20:17:30,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 113 transitions, 487 flow [2021-04-28 20:17:30,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 113 transitions, 481 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:17:30,392 INFO L241 Difference]: Finished difference. Result has 80 places, 100 transitions, 505 flow [2021-04-28 20:17:30,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=505, PETRI_PLACES=80, PETRI_TRANSITIONS=100} [2021-04-28 20:17:30,393 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -76 predicate places. [2021-04-28 20:17:30,393 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:30,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 100 transitions, 505 flow [2021-04-28 20:17:30,394 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 100 transitions, 505 flow [2021-04-28 20:17:30,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 100 transitions, 505 flow [2021-04-28 20:17:35,513 INFO L129 PetriNetUnfolder]: 36617/55571 cut-off events. [2021-04-28 20:17:35,513 INFO L130 PetriNetUnfolder]: For 11979/38410 co-relation queries the response was YES. [2021-04-28 20:17:35,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158839 conditions, 55571 events. 36617/55571 cut-off events. For 11979/38410 co-relation queries the response was YES. Maximal size of possible extension queue 9626. Compared 538999 event pairs, 20589 based on Foata normal form. 25/17189 useless extension candidates. Maximal degree in co-relation 158821. Up to 51788 conditions per place. [2021-04-28 20:17:36,411 INFO L146 LiptonReduction]: Number of co-enabled transitions 3764 [2021-04-28 20:17:40,444 INFO L158 LiptonReduction]: Checked pairs total: 3345 [2021-04-28 20:17:40,444 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:40,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10051 [2021-04-28 20:17:40,446 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 100 transitions, 505 flow [2021-04-28 20:17:40,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 0 states have call successors, (0), 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 20:17:40,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:40,448 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 20:17:40,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:17:40,448 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:40,448 INFO L82 PathProgramCache]: Analyzing trace with hash 2093251166, now seen corresponding path program 1 times [2021-04-28 20:17:40,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:40,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829805961] [2021-04-28 20:17:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:40,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:40,510 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 20:17:40,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829805961] [2021-04-28 20:17:40,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:40,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:17:40,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804692071] [2021-04-28 20:17:40,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:17:40,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:40,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:17:40,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:17:40,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 409 [2021-04-28 20:17:40,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 100 transitions, 505 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 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 20:17:40,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:40,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 409 [2021-04-28 20:17:40,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:47,974 INFO L129 PetriNetUnfolder]: 52976/79003 cut-off events. [2021-04-28 20:17:47,974 INFO L130 PetriNetUnfolder]: For 17823/65712 co-relation queries the response was YES. [2021-04-28 20:17:48,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226209 conditions, 79003 events. 52976/79003 cut-off events. For 17823/65712 co-relation queries the response was YES. Maximal size of possible extension queue 11847. Compared 745104 event pairs, 30119 based on Foata normal form. 524/23964 useless extension candidates. Maximal degree in co-relation 226189. Up to 74891 conditions per place. [2021-04-28 20:17:48,678 INFO L132 encePairwiseOnDemand]: 406/409 looper letters, 4 selfloop transitions, 8 changer transitions 0/100 dead transitions. [2021-04-28 20:17:48,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 100 transitions, 529 flow [2021-04-28 20:17:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:17:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:17:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2021-04-28 20:17:48,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7750611246943765 [2021-04-28 20:17:48,683 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 951 transitions. [2021-04-28 20:17:48,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 951 transitions. [2021-04-28 20:17:48,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:48,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 951 transitions. [2021-04-28 20:17:48,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 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 20:17:48,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:48,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 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 20:17:48,693 INFO L185 Difference]: Start difference. First operand has 80 places, 100 transitions, 505 flow. Second operand 3 states and 951 transitions. [2021-04-28 20:17:48,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 100 transitions, 529 flow [2021-04-28 20:17:48,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 100 transitions, 529 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:17:48,832 INFO L241 Difference]: Finished difference. Result has 83 places, 100 transitions, 531 flow [2021-04-28 20:17:48,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=83, PETRI_TRANSITIONS=100} [2021-04-28 20:17:48,833 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -73 predicate places. [2021-04-28 20:17:48,833 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:48,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 100 transitions, 531 flow [2021-04-28 20:17:48,834 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 100 transitions, 531 flow [2021-04-28 20:17:48,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 100 transitions, 531 flow [2021-04-28 20:17:55,647 INFO L129 PetriNetUnfolder]: 51248/76889 cut-off events. [2021-04-28 20:17:55,647 INFO L130 PetriNetUnfolder]: For 17162/63093 co-relation queries the response was YES. [2021-04-28 20:17:56,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220521 conditions, 76889 events. 51248/76889 cut-off events. For 17162/63093 co-relation queries the response was YES. Maximal size of possible extension queue 12503. Compared 757212 event pairs, 29418 based on Foata normal form. 25/23063 useless extension candidates. Maximal degree in co-relation 220501. Up to 72659 conditions per place. [2021-04-28 20:17:56,908 INFO L146 LiptonReduction]: Number of co-enabled transitions 3762 [2021-04-28 20:18:14,490 INFO L158 LiptonReduction]: Checked pairs total: 3345 [2021-04-28 20:18:14,490 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:18:14,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25657 [2021-04-28 20:18:14,492 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 100 transitions, 531 flow [2021-04-28 20:18:14,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 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 20:18:14,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:18:14,493 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 20:18:14,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:18:14,493 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:18:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:18:14,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1243277828, now seen corresponding path program 1 times [2021-04-28 20:18:14,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:18:14,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416106039] [2021-04-28 20:18:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:18:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:18:14,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:14,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:14,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:14,562 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:18:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:18:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:14,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:18:14,575 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 20:18:14,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416106039] [2021-04-28 20:18:14,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:18:14,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:18:14,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921505393] [2021-04-28 20:18:14,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:18:14,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:18:14,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:18:14,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:18:14,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:18:14,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 100 transitions, 531 flow. Second operand has 5 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 0 states have call successors, (0), 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 20:18:14,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:18:14,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:18:14,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:18:25,265 INFO L129 PetriNetUnfolder]: 66725/103879 cut-off events. [2021-04-28 20:18:25,265 INFO L130 PetriNetUnfolder]: For 29971/270631 co-relation queries the response was YES. [2021-04-28 20:18:25,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 399096 conditions, 103879 events. 66725/103879 cut-off events. For 29971/270631 co-relation queries the response was YES. Maximal size of possible extension queue 16533. Compared 1055337 event pairs, 13415 based on Foata normal form. 1955/35395 useless extension candidates. Maximal degree in co-relation 399074. Up to 96968 conditions per place. [2021-04-28 20:18:26,048 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 35 selfloop transitions, 64 changer transitions 0/145 dead transitions. [2021-04-28 20:18:26,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 145 transitions, 978 flow [2021-04-28 20:18:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:18:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:18:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2287 transitions. [2021-04-28 20:18:26,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.798812434509256 [2021-04-28 20:18:26,056 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2287 transitions. [2021-04-28 20:18:26,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2287 transitions. [2021-04-28 20:18:26,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:18:26,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2287 transitions. [2021-04-28 20:18:26,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 326.7142857142857) internal successors, (2287), 7 states have internal predecessors, (2287), 0 states have call successors, (0), 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 20:18:26,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 409.0) internal successors, (3272), 8 states have internal predecessors, (3272), 0 states have call successors, (0), 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 20:18:26,073 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 409.0) internal successors, (3272), 8 states have internal predecessors, (3272), 0 states have call successors, (0), 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 20:18:26,074 INFO L185 Difference]: Start difference. First operand has 83 places, 100 transitions, 531 flow. Second operand 7 states and 2287 transitions. [2021-04-28 20:18:26,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 145 transitions, 978 flow [2021-04-28 20:18:26,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 145 transitions, 966 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 20:18:26,203 INFO L241 Difference]: Finished difference. Result has 91 places, 131 transitions, 961 flow [2021-04-28 20:18:26,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=961, PETRI_PLACES=91, PETRI_TRANSITIONS=131} [2021-04-28 20:18:26,204 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -65 predicate places. [2021-04-28 20:18:26,204 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:18:26,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 131 transitions, 961 flow [2021-04-28 20:18:26,204 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 131 transitions, 961 flow [2021-04-28 20:18:26,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 131 transitions, 961 flow [2021-04-28 20:18:35,888 INFO L129 PetriNetUnfolder]: 59522/94005 cut-off events. [2021-04-28 20:18:35,888 INFO L130 PetriNetUnfolder]: For 99508/294767 co-relation queries the response was YES. [2021-04-28 20:18:36,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 445269 conditions, 94005 events. 59522/94005 cut-off events. For 99508/294767 co-relation queries the response was YES. Maximal size of possible extension queue 16992. Compared 990287 event pairs, 12738 based on Foata normal form. 55/28724 useless extension candidates. Maximal degree in co-relation 445245. Up to 89930 conditions per place. [2021-04-28 20:18:37,384 INFO L146 LiptonReduction]: Number of co-enabled transitions 5234 [2021-04-28 20:18:44,192 INFO L158 LiptonReduction]: Checked pairs total: 6841 [2021-04-28 20:18:44,192 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:18:44,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17989 [2021-04-28 20:18:44,194 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 131 transitions, 961 flow [2021-04-28 20:18:44,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 0 states have call successors, (0), 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 20:18:44,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:18:44,195 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 20:18:44,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:18:44,195 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:18:44,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:18:44,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1362597777, now seen corresponding path program 1 times [2021-04-28 20:18:44,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:18:44,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493036057] [2021-04-28 20:18:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:18:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:18:44,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:44,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:44,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:44,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:44,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:44,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:44,326 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:18:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:18:44,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:44,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:18:44,340 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 20:18:44,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493036057] [2021-04-28 20:18:44,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:18:44,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:18:44,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218861334] [2021-04-28 20:18:44,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:18:44,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:18:44,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:18:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:18:44,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:18:44,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 131 transitions, 961 flow. Second operand has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 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 20:18:44,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:18:44,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:18:44,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:18:56,536 INFO L129 PetriNetUnfolder]: 60611/99905 cut-off events. [2021-04-28 20:18:56,536 INFO L130 PetriNetUnfolder]: For 100624/1384702 co-relation queries the response was YES. [2021-04-28 20:18:57,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 567780 conditions, 99905 events. 60611/99905 cut-off events. For 100624/1384702 co-relation queries the response was YES. Maximal size of possible extension queue 16479. Compared 1102936 event pairs, 2129 based on Foata normal form. 1962/34062 useless extension candidates. Maximal degree in co-relation 567754. Up to 94193 conditions per place. [2021-04-28 20:18:57,276 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 24 selfloop transitions, 95 changer transitions 12/177 dead transitions. [2021-04-28 20:18:57,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 177 transitions, 1633 flow [2021-04-28 20:18:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:18:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:18:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2943 transitions. [2021-04-28 20:18:57,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995110024449877 [2021-04-28 20:18:57,286 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2943 transitions. [2021-04-28 20:18:57,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2943 transitions. [2021-04-28 20:18:57,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:18:57,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2943 transitions. [2021-04-28 20:18:57,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 0 states have call successors, (0), 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 20:18:57,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 0 states have call successors, (0), 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 20:18:57,306 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 0 states have call successors, (0), 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 20:18:57,306 INFO L185 Difference]: Start difference. First operand has 91 places, 131 transitions, 961 flow. Second operand 9 states and 2943 transitions. [2021-04-28 20:18:57,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 177 transitions, 1633 flow [2021-04-28 20:19:16,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 177 transitions, 1470 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 20:19:16,488 INFO L241 Difference]: Finished difference. Result has 99 places, 162 transitions, 1389 flow [2021-04-28 20:19:16,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1389, PETRI_PLACES=99, PETRI_TRANSITIONS=162} [2021-04-28 20:19:16,489 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -57 predicate places. [2021-04-28 20:19:16,489 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:19:16,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 162 transitions, 1389 flow [2021-04-28 20:19:16,489 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 162 transitions, 1389 flow [2021-04-28 20:19:16,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 162 transitions, 1389 flow [2021-04-28 20:19:25,425 INFO L129 PetriNetUnfolder]: 42551/76137 cut-off events. [2021-04-28 20:19:25,425 INFO L130 PetriNetUnfolder]: For 343246/438346 co-relation queries the response was YES. [2021-04-28 20:19:26,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441537 conditions, 76137 events. 42551/76137 cut-off events. For 343246/438346 co-relation queries the response was YES. Maximal size of possible extension queue 16218. Compared 930803 event pairs, 2076 based on Foata normal form. 1/23077 useless extension candidates. Maximal degree in co-relation 441510. Up to 61309 conditions per place. [2021-04-28 20:19:26,934 INFO L146 LiptonReduction]: Number of co-enabled transitions 6002 [2021-04-28 20:20:44,591 INFO L158 LiptonReduction]: Checked pairs total: 10691 [2021-04-28 20:20:44,592 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:20:44,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88103 [2021-04-28 20:20:44,593 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 162 transitions, 1389 flow [2021-04-28 20:20:44,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 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 20:20:44,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:20:44,594 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, 1, 1, 1, 1] [2021-04-28 20:20:44,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:20:44,595 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:20:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:20:44,595 INFO L82 PathProgramCache]: Analyzing trace with hash 88159076, now seen corresponding path program 1 times [2021-04-28 20:20:44,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:20:44,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125218743] [2021-04-28 20:20:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:20:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:20:44,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:20:44,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:20:44,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:20:44,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:20:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:20:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:20:44,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:20:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:20:44,728 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:20:44,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:20:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:20:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:20:44,740 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 20:20:44,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125218743] [2021-04-28 20:20:44,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:20:44,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:20:44,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078423462] [2021-04-28 20:20:44,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:20:44,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:20:44,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:20:44,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:20:44,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:20:44,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 162 transitions, 1389 flow. Second operand has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 0 states have call successors, (0), 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 20:20:44,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:20:44,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:20:44,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:20:53,980 INFO L129 PetriNetUnfolder]: 42953/77711 cut-off events. [2021-04-28 20:20:53,980 INFO L130 PetriNetUnfolder]: For 188921/766967 co-relation queries the response was YES. [2021-04-28 20:20:54,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 522054 conditions, 77711 events. 42953/77711 cut-off events. For 188921/766967 co-relation queries the response was YES. Maximal size of possible extension queue 16281. Compared 933672 event pairs, 23 based on Foata normal form. 1307/25577 useless extension candidates. Maximal degree in co-relation 522025. Up to 61183 conditions per place. [2021-04-28 20:20:54,730 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 6 selfloop transitions, 113 changer transitions 25/185 dead transitions. [2021-04-28 20:20:54,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 185 transitions, 1877 flow [2021-04-28 20:20:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 20:20:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 20:20:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3575 transitions. [2021-04-28 20:20:54,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7946210268948656 [2021-04-28 20:20:54,742 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3575 transitions. [2021-04-28 20:20:54,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3575 transitions. [2021-04-28 20:20:54,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:20:54,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3575 transitions. [2021-04-28 20:20:54,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 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 20:20:54,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 409.0) internal successors, (4908), 12 states have internal predecessors, (4908), 0 states have call successors, (0), 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 20:20:54,770 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 409.0) internal successors, (4908), 12 states have internal predecessors, (4908), 0 states have call successors, (0), 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 20:20:54,770 INFO L185 Difference]: Start difference. First operand has 99 places, 162 transitions, 1389 flow. Second operand 11 states and 3575 transitions. [2021-04-28 20:20:54,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 185 transitions, 1877 flow [2021-04-28 20:26:33,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 185 transitions, 1537 flow, removed 110 selfloop flow, removed 6 redundant places. [2021-04-28 20:26:33,691 INFO L241 Difference]: Finished difference. Result has 106 places, 157 transitions, 1288 flow [2021-04-28 20:26:33,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1288, PETRI_PLACES=106, PETRI_TRANSITIONS=157} [2021-04-28 20:26:33,692 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -50 predicate places. [2021-04-28 20:26:33,692 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:26:33,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 157 transitions, 1288 flow [2021-04-28 20:26:33,692 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 157 transitions, 1288 flow [2021-04-28 20:26:33,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 157 transitions, 1288 flow [2021-04-28 20:26:36,032 INFO L129 PetriNetUnfolder]: 15761/30223 cut-off events. [2021-04-28 20:26:36,033 INFO L130 PetriNetUnfolder]: For 39575/78359 co-relation queries the response was YES. [2021-04-28 20:26:36,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134947 conditions, 30223 events. 15761/30223 cut-off events. For 39575/78359 co-relation queries the response was YES. Maximal size of possible extension queue 7044. Compared 357699 event pairs, 19 based on Foata normal form. 1/8747 useless extension candidates. Maximal degree in co-relation 134918. Up to 17280 conditions per place. [2021-04-28 20:26:36,622 INFO L146 LiptonReduction]: Number of co-enabled transitions 4928 [2021-04-28 20:27:34,003 INFO L158 LiptonReduction]: Checked pairs total: 9869 [2021-04-28 20:27:34,003 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:27:34,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60311 [2021-04-28 20:27:34,004 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 157 transitions, 1288 flow [2021-04-28 20:27:34,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 0 states have call successors, (0), 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 20:27:34,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:27:34,006 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:27:34,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:27:34,006 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:27:34,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:27:34,007 INFO L82 PathProgramCache]: Analyzing trace with hash -102449011, now seen corresponding path program 1 times [2021-04-28 20:27:34,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:27:34,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140229551] [2021-04-28 20:27:34,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:27:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:27:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:27:34,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:27:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:27:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:27:34,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:27:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:27:34,092 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 20:27:34,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140229551] [2021-04-28 20:27:34,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:27:34,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:27:34,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029727726] [2021-04-28 20:27:34,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:27:34,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:27:34,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:27:34,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:27:34,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 409 [2021-04-28 20:27:34,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 157 transitions, 1288 flow. Second operand has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 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 20:27:34,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:27:34,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 409 [2021-04-28 20:27:34,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:27:40,739 INFO L129 PetriNetUnfolder]: 33152/63393 cut-off events. [2021-04-28 20:27:40,739 INFO L130 PetriNetUnfolder]: For 112725/217060 co-relation queries the response was YES. [2021-04-28 20:27:41,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283309 conditions, 63393 events. 33152/63393 cut-off events. For 112725/217060 co-relation queries the response was YES. Maximal size of possible extension queue 14577. Compared 793022 event pairs, 28 based on Foata normal form. 82/18659 useless extension candidates. Maximal degree in co-relation 283278. Up to 36288 conditions per place. [2021-04-28 20:27:41,262 INFO L132 encePairwiseOnDemand]: 405/409 looper letters, 4 selfloop transitions, 6 changer transitions 0/159 dead transitions. [2021-04-28 20:27:41,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 159 transitions, 1318 flow [2021-04-28 20:27:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:27:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:27:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1011 transitions. [2021-04-28 20:27:41,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6179706601466992 [2021-04-28 20:27:41,269 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1011 transitions. [2021-04-28 20:27:41,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1011 transitions. [2021-04-28 20:27:41,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:27:41,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1011 transitions. [2021-04-28 20:27:41,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.75) internal successors, (1011), 4 states have internal predecessors, (1011), 0 states have call successors, (0), 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 20:27:41,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 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 20:27:41,277 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 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 20:27:41,277 INFO L185 Difference]: Start difference. First operand has 104 places, 157 transitions, 1288 flow. Second operand 4 states and 1011 transitions. [2021-04-28 20:27:41,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 159 transitions, 1318 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown