/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/mix044_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:07:39,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:07:39,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:07:39,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-28 21:07:39,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:07:39,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:07:39,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:07:39,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:07:39,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:07:39,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:07:39,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:07:39,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:07:39,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:07:39,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:07:39,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:07:39,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:07:39,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:07:39,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:07:39,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:07:39,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:07:39,412 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 21:07:39,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:07:39,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:07:39,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:07:39,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:07:39,471 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:07:39,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:07:39,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:07:39,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:07:39,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:07:39,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:07:39,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:07:39,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:07:39,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:07:39,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:07:39,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:07:39,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:07:39,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:07:39,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:07:39,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:07:39,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:07:39,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:07:39,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:07:39,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:07:39,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:07:39,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:07:39,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:07:39,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:07:39,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:07:39,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:07:39,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:07:39,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:07:39,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:07:39,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:07:39,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:07:39,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:07:39,873 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:07:39,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044_pso.oepc.i [2021-04-28 21:07:39,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d145e326e/c168067af247460889fb7b11f0295ae1/FLAG11b885b66 [2021-04-28 21:07:40,647 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:07:40,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044_pso.oepc.i [2021-04-28 21:07:40,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d145e326e/c168067af247460889fb7b11f0295ae1/FLAG11b885b66 [2021-04-28 21:07:40,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d145e326e/c168067af247460889fb7b11f0295ae1 [2021-04-28 21:07:40,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:07:41,019 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:07:41,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:07:41,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:07:41,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:07:41,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:07:40" (1/1) ... [2021-04-28 21:07:41,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb1b3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41, skipping insertion in model container [2021-04-28 21:07:41,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:07:40" (1/1) ... [2021-04-28 21:07:41,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:07:41,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:07:41,318 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/mix044_pso.oepc.i[949,962] [2021-04-28 21:07:41,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:07:41,720 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:07:41,734 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/mix044_pso.oepc.i[949,962] [2021-04-28 21:07:41,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:07:41,955 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:07:41,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41 WrapperNode [2021-04-28 21:07:41,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:07:41,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:07:41,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:07:41,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:07:41,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:07:42,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:07:42,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:07:42,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:07:42,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (1/1) ... [2021-04-28 21:07:42,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:07:42,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:07:42,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:07:42,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:07:42,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (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 21:07:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:07:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:07:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:07:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:07:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:07:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:07:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:07:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:07:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:07:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:07:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:07:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:07:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:07:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:07:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:07:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:07:42,277 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 21:07:44,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:07:44,628 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:07:44,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:07:44 BoogieIcfgContainer [2021-04-28 21:07:44,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:07:44,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:07:44,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:07:44,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:07:44,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:07:40" (1/3) ... [2021-04-28 21:07:44,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714c179a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:07:44, skipping insertion in model container [2021-04-28 21:07:44,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:07:41" (2/3) ... [2021-04-28 21:07:44,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714c179a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:07:44, skipping insertion in model container [2021-04-28 21:07:44,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:07:44" (3/3) ... [2021-04-28 21:07:44,639 INFO L111 eAbstractionObserver]: Analyzing ICFG mix044_pso.oepc.i [2021-04-28 21:07:44,647 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:07:44,652 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:07:44,653 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:07:44,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,699 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,699 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,700 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,704 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,705 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,705 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,715 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,715 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,716 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,716 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,732 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,732 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,732 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,732 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,732 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,737 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,738 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:07:44,758 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:07:44,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:07:44,805 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:07:44,806 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:07:44,806 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:07:44,806 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:07:44,806 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:07:44,806 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:07:44,806 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:07:44,806 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:07:44,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 21:07:44,871 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 21:07:44,871 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:07:44,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 21:07:44,877 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 21:07:44,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-04-28 21:07:44,885 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:07:44,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 21:07:44,906 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 21:07:44,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-04-28 21:07:44,936 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 21:07:44,936 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:07:44,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 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. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 21:07:44,942 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 21:07:48,764 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:07:49,367 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 21:07:49,558 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:07:50,334 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 21:07:58,541 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:08:05,182 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:08:05,295 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:08:05,403 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:08:05,513 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:08:05,832 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:08:05,939 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:08:06,046 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:08:06,151 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:08:06,252 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:08:06,706 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:08:06,907 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:08:07,010 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:08:07,249 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 21:08:07,358 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 21:08:07,467 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 21:08:08,161 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 21:08:10,759 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:08:13,263 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:08:13,382 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:08:13,506 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:08:13,628 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:08:14,093 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:08:14,213 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:08:14,320 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:08:14,433 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:08:14,822 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:08:14,967 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:08:15,090 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:08:15,228 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:08:15,365 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:08:15,966 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:08:16,865 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:08:17,010 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:08:17,158 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:08:17,303 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:08:17,460 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:08:17,615 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:08:17,765 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:08:17,915 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:08:18,060 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:08:18,206 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:08:18,346 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:08:18,495 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:08:18,660 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:18,817 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:18,978 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:19,141 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:19,332 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:08:19,523 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:08:19,710 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:08:19,888 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:08:20,040 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:20,193 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:20,338 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:20,483 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:20,650 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:20,820 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:20,983 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:21,147 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:21,336 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:08:21,524 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:08:21,713 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:08:21,900 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:08:22,062 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:08:22,237 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:08:22,395 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:08:22,554 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:08:22,749 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:08:22,941 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:08:23,134 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:08:23,329 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:08:23,486 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:23,639 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:23,788 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:23,939 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:08:24,138 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:08:24,330 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:08:24,522 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:08:24,717 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:08:24,849 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:24,980 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:25,111 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:25,238 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:25,409 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:25,579 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:25,759 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:25,922 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:08:26,400 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:08:26,578 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:08:26,758 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:08:26,939 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:08:27,081 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:08:27,221 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:08:27,362 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:08:27,502 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:08:27,728 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:27,921 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:28,127 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:28,331 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:28,461 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:28,591 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:28,720 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:28,847 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:08:29,052 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:29,268 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:29,470 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:29,680 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:30,210 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:08:30,459 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:08:30,991 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:08:31,239 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:08:31,749 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:08:31,990 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:08:32,490 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:08:32,744 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:08:33,251 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:33,461 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:33,674 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:33,881 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:08:33,955 INFO L158 LiptonReduction]: Checked pairs total: 31978 [2021-04-28 21:08:33,955 INFO L160 LiptonReduction]: Total number of compositions: 297 [2021-04-28 21:08:33,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49078 [2021-04-28 21:08:33,984 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 21:08:33,984 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:08:33,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:08:33,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 21:08:33,985 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 21:08:33,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:08:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1408510, now seen corresponding path program 1 times [2021-04-28 21:08:34,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:08:34,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385185603] [2021-04-28 21:08:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:08:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:08:34,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:08:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:08:34,257 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 21:08:34,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385185603] [2021-04-28 21:08:34,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:08:34,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:08:34,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051112642] [2021-04-28 21:08:34,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:08:34,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:08:34,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:08:34,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:08:34,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 21:08:34,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 146 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 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 21:08:34,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:08:34,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 21:08:34,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:08:34,569 INFO L129 PetriNetUnfolder]: 133/840 cut-off events. [2021-04-28 21:08:34,570 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:08:34,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1075 conditions, 840 events. 133/840 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7529 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 989. Up to 153 conditions per place. [2021-04-28 21:08:34,583 INFO L132 encePairwiseOnDemand]: 394/416 looper letters, 11 selfloop transitions, 2 changer transitions 61/147 dead transitions. [2021-04-28 21:08:34,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 364 flow [2021-04-28 21:08:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:08:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:08:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2021-04-28 21:08:34,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7980769230769231 [2021-04-28 21:08:34,604 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2021-04-28 21:08:34,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2021-04-28 21:08:34,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:08:34,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2021-04-28 21:08:34,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 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 21:08:34,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 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 21:08:34,643 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 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 21:08:34,645 INFO L185 Difference]: Start difference. First operand has 158 places, 146 transitions, 304 flow. Second operand 3 states and 996 transitions. [2021-04-28 21:08:34,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 364 flow [2021-04-28 21:08:34,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 360 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:08:34,654 INFO L241 Difference]: Finished difference. Result has 153 places, 81 transitions, 174 flow [2021-04-28 21:08:34,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=153, PETRI_TRANSITIONS=81} [2021-04-28 21:08:34,658 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -5 predicate places. [2021-04-28 21:08:34,658 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:08:34,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 81 transitions, 174 flow [2021-04-28 21:08:34,660 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 81 transitions, 174 flow [2021-04-28 21:08:34,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 174 flow [2021-04-28 21:08:34,678 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-04-28 21:08:34,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:08:34,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 81 events. 0/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 398 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 21:08:34,684 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-28 21:08:35,913 INFO L158 LiptonReduction]: Checked pairs total: 4380 [2021-04-28 21:08:35,913 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:08:35,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1256 [2021-04-28 21:08:35,916 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 174 flow [2021-04-28 21:08:35,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 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 21:08:35,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:08:35,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:08:35,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:08:35,918 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 21:08:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:08:35,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2076536613, now seen corresponding path program 1 times [2021-04-28 21:08:35,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:08:35,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033245608] [2021-04-28 21:08:35,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:08:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:08:36,089 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:08:36,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:08:36,107 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 21:08:36,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033245608] [2021-04-28 21:08:36,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:08:36,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:08:36,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449199327] [2021-04-28 21:08:36,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:08:36,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:08:36,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:08:36,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:08:36,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 416 [2021-04-28 21:08:36,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 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 21:08:36,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:08:36,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 416 [2021-04-28 21:08:36,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:08:39,496 INFO L129 PetriNetUnfolder]: 8149/19959 cut-off events. [2021-04-28 21:08:39,496 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:08:39,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31791 conditions, 19959 events. 8149/19959 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2823. Compared 256758 event pairs, 2691 based on Foata normal form. 0/11785 useless extension candidates. Maximal degree in co-relation 31782. Up to 6115 conditions per place. [2021-04-28 21:08:39,596 INFO L132 encePairwiseOnDemand]: 390/416 looper letters, 10 selfloop transitions, 10 changer transitions 50/114 dead transitions. [2021-04-28 21:08:39,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 114 transitions, 380 flow [2021-04-28 21:08:39,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:08:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:08:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions. [2021-04-28 21:08:39,601 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6306089743589743 [2021-04-28 21:08:39,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions. [2021-04-28 21:08:39,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions. [2021-04-28 21:08:39,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:08:39,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions. [2021-04-28 21:08:39,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 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 21:08:39,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 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 21:08:39,610 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 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 21:08:39,610 INFO L185 Difference]: Start difference. First operand has 92 places, 81 transitions, 174 flow. Second operand 3 states and 787 transitions. [2021-04-28 21:08:39,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 114 transitions, 380 flow [2021-04-28 21:08:39,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 114 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:08:39,617 INFO L241 Difference]: Finished difference. Result has 94 places, 64 transitions, 196 flow [2021-04-28 21:08:39,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=94, PETRI_TRANSITIONS=64} [2021-04-28 21:08:39,618 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -64 predicate places. [2021-04-28 21:08:39,618 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:08:39,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 64 transitions, 196 flow [2021-04-28 21:08:39,619 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 64 transitions, 196 flow [2021-04-28 21:08:39,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 196 flow [2021-04-28 21:08:39,781 INFO L129 PetriNetUnfolder]: 373/1263 cut-off events. [2021-04-28 21:08:39,782 INFO L130 PetriNetUnfolder]: For 143/146 co-relation queries the response was YES. [2021-04-28 21:08:39,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2180 conditions, 1263 events. 373/1263 cut-off events. For 143/146 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 11534 event pairs, 137 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 2171. Up to 407 conditions per place. [2021-04-28 21:08:39,816 INFO L146 LiptonReduction]: Number of co-enabled transitions 2230 [2021-04-28 21:08:40,202 INFO L158 LiptonReduction]: Checked pairs total: 1464 [2021-04-28 21:08:40,202 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:08:40,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 585 [2021-04-28 21:08:40,205 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 64 transitions, 196 flow [2021-04-28 21:08:40,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 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 21:08:40,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:08:40,206 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:08:40,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:08:40,206 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 21:08:40,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:08:40,207 INFO L82 PathProgramCache]: Analyzing trace with hash -51878031, now seen corresponding path program 1 times [2021-04-28 21:08:40,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:08:40,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964909207] [2021-04-28 21:08:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:08:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:08:40,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:08:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:08:40,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:08:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:08:40,294 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 21:08:40,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964909207] [2021-04-28 21:08:40,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:08:40,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:08:40,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101953531] [2021-04-28 21:08:40,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:08:40,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:08:40,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:08:40,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:08:40,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 416 [2021-04-28 21:08:40,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 64 transitions, 196 flow. Second operand has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 0 states have call successors, (0), 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 21:08:40,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:08:40,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 416 [2021-04-28 21:08:40,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:08:40,455 INFO L129 PetriNetUnfolder]: 228/797 cut-off events. [2021-04-28 21:08:40,455 INFO L130 PetriNetUnfolder]: For 140/485 co-relation queries the response was YES. [2021-04-28 21:08:40,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1794 conditions, 797 events. 228/797 cut-off events. For 140/485 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6301 event pairs, 36 based on Foata normal form. 33/579 useless extension candidates. Maximal degree in co-relation 1783. Up to 251 conditions per place. [2021-04-28 21:08:40,465 INFO L132 encePairwiseOnDemand]: 408/416 looper letters, 16 selfloop transitions, 8 changer transitions 4/72 dead transitions. [2021-04-28 21:08:40,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 72 transitions, 292 flow [2021-04-28 21:08:40,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:08:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:08:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 980 transitions. [2021-04-28 21:08:40,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5889423076923077 [2021-04-28 21:08:40,469 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 980 transitions. [2021-04-28 21:08:40,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 980 transitions. [2021-04-28 21:08:40,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:08:40,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 980 transitions. [2021-04-28 21:08:40,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 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 21:08:40,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 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 21:08:40,479 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 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 21:08:40,479 INFO L185 Difference]: Start difference. First operand has 68 places, 64 transitions, 196 flow. Second operand 4 states and 980 transitions. [2021-04-28 21:08:40,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 72 transitions, 292 flow [2021-04-28 21:08:40,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 72 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:08:40,484 INFO L241 Difference]: Finished difference. Result has 72 places, 64 transitions, 218 flow [2021-04-28 21:08:40,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=218, PETRI_PLACES=72, PETRI_TRANSITIONS=64} [2021-04-28 21:08:40,485 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -86 predicate places. [2021-04-28 21:08:40,485 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:08:40,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 64 transitions, 218 flow [2021-04-28 21:08:40,485 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 64 transitions, 218 flow [2021-04-28 21:08:40,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 64 transitions, 218 flow [2021-04-28 21:08:40,582 INFO L129 PetriNetUnfolder]: 170/665 cut-off events. [2021-04-28 21:08:40,582 INFO L130 PetriNetUnfolder]: For 228/237 co-relation queries the response was YES. [2021-04-28 21:08:40,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 665 events. 170/665 cut-off events. For 228/237 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5206 event pairs, 53 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 1240. Up to 187 conditions per place. [2021-04-28 21:08:40,603 INFO L146 LiptonReduction]: Number of co-enabled transitions 2188 [2021-04-28 21:08:40,755 INFO L158 LiptonReduction]: Checked pairs total: 1536 [2021-04-28 21:08:40,755 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:08:40,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-04-28 21:08:40,758 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 64 transitions, 218 flow [2021-04-28 21:08:40,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 0 states have call successors, (0), 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 21:08:40,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:08:40,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:08:40,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:08:40,759 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 21:08:40,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:08:40,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1608203180, now seen corresponding path program 1 times [2021-04-28 21:08:40,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:08:40,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849274745] [2021-04-28 21:08:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:08:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:08:40,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:08:40,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:08:40,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:08:40,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:08:40,833 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 21:08:40,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849274745] [2021-04-28 21:08:40,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:08:40,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:08:40,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036494011] [2021-04-28 21:08:40,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:08:40,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:08:40,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:08:40,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:08:40,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 416 [2021-04-28 21:08:40,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 64 transitions, 218 flow. Second operand has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 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 21:08:40,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:08:40,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 416 [2021-04-28 21:08:40,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:08:40,959 INFO L129 PetriNetUnfolder]: 152/567 cut-off events. [2021-04-28 21:08:40,959 INFO L130 PetriNetUnfolder]: For 204/311 co-relation queries the response was YES. [2021-04-28 21:08:40,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1368 conditions, 567 events. 152/567 cut-off events. For 204/311 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4044 event pairs, 30 based on Foata normal form. 10/417 useless extension candidates. Maximal degree in co-relation 1354. Up to 171 conditions per place. [2021-04-28 21:08:40,967 INFO L132 encePairwiseOnDemand]: 407/416 looper letters, 16 selfloop transitions, 18 changer transitions 0/78 dead transitions. [2021-04-28 21:08:40,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 78 transitions, 372 flow [2021-04-28 21:08:40,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:08:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:08:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 983 transitions. [2021-04-28 21:08:40,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5907451923076923 [2021-04-28 21:08:40,972 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 983 transitions. [2021-04-28 21:08:40,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 983 transitions. [2021-04-28 21:08:40,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:08:40,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 983 transitions. [2021-04-28 21:08:40,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.75) internal successors, (983), 4 states have internal predecessors, (983), 0 states have call successors, (0), 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 21:08:40,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 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 21:08:40,981 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 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 21:08:40,981 INFO L185 Difference]: Start difference. First operand has 70 places, 64 transitions, 218 flow. Second operand 4 states and 983 transitions. [2021-04-28 21:08:40,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 78 transitions, 372 flow [2021-04-28 21:08:40,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 78 transitions, 367 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:08:40,987 INFO L241 Difference]: Finished difference. Result has 75 places, 75 transitions, 372 flow [2021-04-28 21:08:40,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=372, PETRI_PLACES=75, PETRI_TRANSITIONS=75} [2021-04-28 21:08:40,987 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -83 predicate places. [2021-04-28 21:08:40,987 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:08:40,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 372 flow [2021-04-28 21:08:40,988 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 372 flow [2021-04-28 21:08:40,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 372 flow [2021-04-28 21:08:41,067 INFO L129 PetriNetUnfolder]: 152/587 cut-off events. [2021-04-28 21:08:41,067 INFO L130 PetriNetUnfolder]: For 624/644 co-relation queries the response was YES. [2021-04-28 21:08:41,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 587 events. 152/587 cut-off events. For 624/644 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4389 event pairs, 32 based on Foata normal form. 1/421 useless extension candidates. Maximal degree in co-relation 1425. Up to 171 conditions per place. [2021-04-28 21:08:41,084 INFO L146 LiptonReduction]: Number of co-enabled transitions 2620 [2021-04-28 21:08:41,355 INFO L158 LiptonReduction]: Checked pairs total: 1961 [2021-04-28 21:08:41,356 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:08:41,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 369 [2021-04-28 21:08:41,358 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 75 transitions, 372 flow [2021-04-28 21:08:41,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 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 21:08:41,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:08:41,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:08:41,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:08:41,359 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 21:08:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:08:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1684724128, now seen corresponding path program 1 times [2021-04-28 21:08:41,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:08:41,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161688947] [2021-04-28 21:08:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:08:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:08:41,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:08:41,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:08:41,472 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:08:41,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:08:41,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:08:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:08:41,484 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 21:08:41,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161688947] [2021-04-28 21:08:41,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:08:41,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:08:41,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488465150] [2021-04-28 21:08:41,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:08:41,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:08:41,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:08:41,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:08:41,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 21:08:41,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 75 transitions, 372 flow. Second operand has 4 states, 4 states have (on average 320.75) internal successors, (1283), 4 states have internal predecessors, (1283), 0 states have call successors, (0), 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 21:08:41,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:08:41,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 21:08:41,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:08:49,497 INFO L129 PetriNetUnfolder]: 48622/73355 cut-off events. [2021-04-28 21:08:49,498 INFO L130 PetriNetUnfolder]: For 4044/4474 co-relation queries the response was YES. [2021-04-28 21:08:49,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149259 conditions, 73355 events. 48622/73355 cut-off events. For 4044/4474 co-relation queries the response was YES. Maximal size of possible extension queue 12942. Compared 716597 event pairs, 25196 based on Foata normal form. 1364/22174 useless extension candidates. Maximal degree in co-relation 149241. Up to 46552 conditions per place. [2021-04-28 21:08:50,334 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 34 selfloop transitions, 33 changer transitions 0/119 dead transitions. [2021-04-28 21:08:50,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 119 transitions, 594 flow [2021-04-28 21:08:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:08:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:08:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1666 transitions. [2021-04-28 21:08:50,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009615384615385 [2021-04-28 21:08:50,341 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1666 transitions. [2021-04-28 21:08:50,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1666 transitions. [2021-04-28 21:08:50,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:08:50,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1666 transitions. [2021-04-28 21:08:50,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 333.2) internal successors, (1666), 5 states have internal predecessors, (1666), 0 states have call successors, (0), 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 21:08:50,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 416.0) internal successors, (2496), 6 states have internal predecessors, (2496), 0 states have call successors, (0), 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 21:08:50,356 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 416.0) internal successors, (2496), 6 states have internal predecessors, (2496), 0 states have call successors, (0), 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 21:08:50,356 INFO L185 Difference]: Start difference. First operand has 75 places, 75 transitions, 372 flow. Second operand 5 states and 1666 transitions. [2021-04-28 21:08:50,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 119 transitions, 594 flow [2021-04-28 21:08:50,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 119 transitions, 594 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:08:50,390 INFO L241 Difference]: Finished difference. Result has 82 places, 106 transitions, 618 flow [2021-04-28 21:08:50,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=618, PETRI_PLACES=82, PETRI_TRANSITIONS=106} [2021-04-28 21:08:50,391 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -76 predicate places. [2021-04-28 21:08:50,391 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:08:50,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 106 transitions, 618 flow [2021-04-28 21:08:50,392 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 106 transitions, 618 flow [2021-04-28 21:08:50,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 106 transitions, 618 flow [2021-04-28 21:08:56,435 INFO L129 PetriNetUnfolder]: 43138/66529 cut-off events. [2021-04-28 21:08:56,435 INFO L130 PetriNetUnfolder]: For 16800/67519 co-relation queries the response was YES. [2021-04-28 21:08:56,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190754 conditions, 66529 events. 43138/66529 cut-off events. For 16800/67519 co-relation queries the response was YES. Maximal size of possible extension queue 10516. Compared 670493 event pairs, 23633 based on Foata normal form. 18/20320 useless extension candidates. Maximal degree in co-relation 190733. Up to 61874 conditions per place. [2021-04-28 21:08:57,537 INFO L146 LiptonReduction]: Number of co-enabled transitions 4108 [2021-04-28 21:09:08,592 INFO L158 LiptonReduction]: Checked pairs total: 3583 [2021-04-28 21:09:08,592 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:09:08,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18201 [2021-04-28 21:09:08,594 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 106 transitions, 618 flow [2021-04-28 21:09:08,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 320.75) internal successors, (1283), 4 states have internal predecessors, (1283), 0 states have call successors, (0), 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 21:09:08,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:09:08,596 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 21:09:08,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:09:08,596 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 21:09:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:09:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 225636582, now seen corresponding path program 1 times [2021-04-28 21:09:08,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:09:08,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940580936] [2021-04-28 21:09:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:09:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:09:08,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:09:08,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:09:08,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:09:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:09:08,658 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 21:09:08,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940580936] [2021-04-28 21:09:08,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:09:08,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:09:08,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075994427] [2021-04-28 21:09:08,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:09:08,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:09:08,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:09:08,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:09:08,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 416 [2021-04-28 21:09:08,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 106 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 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 21:09:08,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:09:08,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 416 [2021-04-28 21:09:08,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:09:18,421 INFO L129 PetriNetUnfolder]: 69849/104332 cut-off events. [2021-04-28 21:09:18,421 INFO L130 PetriNetUnfolder]: For 25809/175640 co-relation queries the response was YES. [2021-04-28 21:09:18,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299147 conditions, 104332 events. 69849/104332 cut-off events. For 25809/175640 co-relation queries the response was YES. Maximal size of possible extension queue 17355. Compared 1044163 event pairs, 39753 based on Foata normal form. 522/30971 useless extension candidates. Maximal degree in co-relation 299124. Up to 98870 conditions per place. [2021-04-28 21:09:19,198 INFO L132 encePairwiseOnDemand]: 413/416 looper letters, 5 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2021-04-28 21:09:19,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 106 transitions, 646 flow [2021-04-28 21:09:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:09:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:09:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2021-04-28 21:09:19,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.78125 [2021-04-28 21:09:19,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 975 transitions. [2021-04-28 21:09:19,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 975 transitions. [2021-04-28 21:09:19,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:09:19,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 975 transitions. [2021-04-28 21:09:19,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 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 21:09:19,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 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 21:09:19,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 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 21:09:19,212 INFO L185 Difference]: Start difference. First operand has 82 places, 106 transitions, 618 flow. Second operand 3 states and 975 transitions. [2021-04-28 21:09:19,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 106 transitions, 646 flow [2021-04-28 21:09:19,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 106 transitions, 646 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:09:19,374 INFO L241 Difference]: Finished difference. Result has 85 places, 106 transitions, 647 flow [2021-04-28 21:09:19,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=647, PETRI_PLACES=85, PETRI_TRANSITIONS=106} [2021-04-28 21:09:19,375 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -73 predicate places. [2021-04-28 21:09:19,375 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:09:19,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 106 transitions, 647 flow [2021-04-28 21:09:19,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 106 transitions, 647 flow [2021-04-28 21:09:19,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 106 transitions, 647 flow [2021-04-28 21:09:30,069 INFO L129 PetriNetUnfolder]: 75278/113301 cut-off events. [2021-04-28 21:09:30,069 INFO L130 PetriNetUnfolder]: For 26918/105950 co-relation queries the response was YES. [2021-04-28 21:09:30,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325327 conditions, 113301 events. 75278/113301 cut-off events. For 26918/105950 co-relation queries the response was YES. Maximal size of possible extension queue 18030. Compared 1160208 event pairs, 42784 based on Foata normal form. 30/33676 useless extension candidates. Maximal degree in co-relation 325304. Up to 107519 conditions per place. [2021-04-28 21:09:31,814 INFO L146 LiptonReduction]: Number of co-enabled transitions 4106 [2021-04-28 21:09:47,583 INFO L158 LiptonReduction]: Checked pairs total: 3583 [2021-04-28 21:09:47,583 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:09:47,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28209 [2021-04-28 21:09:47,585 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 106 transitions, 647 flow [2021-04-28 21:09:47,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 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 21:09:47,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:09:47,586 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 21:09:47,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:09:47,586 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 21:09:47,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:09:47,587 INFO L82 PathProgramCache]: Analyzing trace with hash 481557509, now seen corresponding path program 1 times [2021-04-28 21:09:47,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:09:47,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319341626] [2021-04-28 21:09:47,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:09:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:09:47,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:09:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:09:47,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:09:47,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:09:47,659 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:09:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:09:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:09:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:09:47,670 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 21:09:47,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319341626] [2021-04-28 21:09:47,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:09:47,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:09:47,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859278825] [2021-04-28 21:09:47,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:09:47,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:09:47,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:09:47,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:09:47,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 21:09:47,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 106 transitions, 647 flow. Second operand has 5 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 0 states have call successors, (0), 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 21:09:47,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:09:47,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 21:09:47,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:10:00,783 INFO L129 PetriNetUnfolder]: 92145/143647 cut-off events. [2021-04-28 21:10:00,783 INFO L130 PetriNetUnfolder]: For 45146/650303 co-relation queries the response was YES. [2021-04-28 21:10:01,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 552096 conditions, 143647 events. 92145/143647 cut-off events. For 45146/650303 co-relation queries the response was YES. Maximal size of possible extension queue 25383. Compared 1532459 event pairs, 18141 based on Foata normal form. 2728/48163 useless extension candidates. Maximal degree in co-relation 552071. Up to 134249 conditions per place. [2021-04-28 21:10:02,171 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 35 selfloop transitions, 64 changer transitions 0/151 dead transitions. [2021-04-28 21:10:02,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 151 transitions, 1094 flow [2021-04-28 21:10:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:10:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:10:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2336 transitions. [2021-04-28 21:10:02,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8021978021978022 [2021-04-28 21:10:02,180 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2336 transitions. [2021-04-28 21:10:02,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2336 transitions. [2021-04-28 21:10:02,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:10:02,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2336 transitions. [2021-04-28 21:10:02,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 333.7142857142857) internal successors, (2336), 7 states have internal predecessors, (2336), 0 states have call successors, (0), 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 21:10:02,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 416.0) internal successors, (3328), 8 states have internal predecessors, (3328), 0 states have call successors, (0), 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 21:10:02,198 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 416.0) internal successors, (3328), 8 states have internal predecessors, (3328), 0 states have call successors, (0), 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 21:10:02,199 INFO L185 Difference]: Start difference. First operand has 85 places, 106 transitions, 647 flow. Second operand 7 states and 2336 transitions. [2021-04-28 21:10:02,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 151 transitions, 1094 flow [2021-04-28 21:10:02,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 151 transitions, 1083 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:10:02,804 INFO L241 Difference]: Finished difference. Result has 93 places, 137 transitions, 1078 flow [2021-04-28 21:10:02,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1078, PETRI_PLACES=93, PETRI_TRANSITIONS=137} [2021-04-28 21:10:02,805 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -65 predicate places. [2021-04-28 21:10:02,805 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:10:02,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 137 transitions, 1078 flow [2021-04-28 21:10:02,806 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 137 transitions, 1078 flow [2021-04-28 21:10:02,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 137 transitions, 1078 flow [2021-04-28 21:10:21,733 INFO L129 PetriNetUnfolder]: 83122/131912 cut-off events. [2021-04-28 21:10:21,733 INFO L130 PetriNetUnfolder]: For 141738/556918 co-relation queries the response was YES. [2021-04-28 21:10:22,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 625004 conditions, 131912 events. 83122/131912 cut-off events. For 141738/556918 co-relation queries the response was YES. Maximal size of possible extension queue 23309. Compared 1459373 event pairs, 17305 based on Foata normal form. 76/40436 useless extension candidates. Maximal degree in co-relation 624977. Up to 126014 conditions per place. [2021-04-28 21:10:24,059 INFO L146 LiptonReduction]: Number of co-enabled transitions 5610 [2021-04-28 21:10:49,121 INFO L158 LiptonReduction]: Checked pairs total: 7158 [2021-04-28 21:10:49,122 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:10:49,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46317 [2021-04-28 21:10:49,123 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 137 transitions, 1078 flow [2021-04-28 21:10:49,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 0 states have call successors, (0), 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 21:10:49,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:10:49,124 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 21:10:49,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:10:49,124 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 21:10:49,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:10:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1122158736, now seen corresponding path program 1 times [2021-04-28 21:10:49,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:10:49,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765779574] [2021-04-28 21:10:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:10:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:10:49,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:10:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:10:49,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:10:49,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:10:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:10:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:10:49,342 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:10:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:10:49,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:10:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:10:49,355 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 21:10:49,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765779574] [2021-04-28 21:10:49,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:10:49,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:10:49,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154897788] [2021-04-28 21:10:49,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:10:49,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:10:49,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:10:49,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:10:49,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 21:10:49,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 137 transitions, 1078 flow. Second operand has 6 states, 6 states have (on average 320.8333333333333) internal successors, (1925), 6 states have internal predecessors, (1925), 0 states have call successors, (0), 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 21:10:49,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:10:49,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 21:10:49,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:11:07,775 INFO L129 PetriNetUnfolder]: 82659/136552 cut-off events. [2021-04-28 21:11:07,775 INFO L130 PetriNetUnfolder]: For 140184/2441931 co-relation queries the response was YES. [2021-04-28 21:11:08,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776388 conditions, 136552 events. 82659/136552 cut-off events. For 140184/2441931 co-relation queries the response was YES. Maximal size of possible extension queue 23292. Compared 1571537 event pairs, 2751 based on Foata normal form. 2755/45632 useless extension candidates. Maximal degree in co-relation 776359. Up to 128831 conditions per place. [2021-04-28 21:11:08,785 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 24 selfloop transitions, 95 changer transitions 12/183 dead transitions. [2021-04-28 21:11:08,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 183 transitions, 1750 flow [2021-04-28 21:11:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:11:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:11:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3006 transitions. [2021-04-28 21:11:08,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8028846153846154 [2021-04-28 21:11:08,797 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3006 transitions. [2021-04-28 21:11:08,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3006 transitions. [2021-04-28 21:11:08,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:11:08,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3006 transitions. [2021-04-28 21:11:08,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 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 21:11:08,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 416.0) internal successors, (4160), 10 states have internal predecessors, (4160), 0 states have call successors, (0), 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 21:11:08,818 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 416.0) internal successors, (4160), 10 states have internal predecessors, (4160), 0 states have call successors, (0), 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 21:11:08,818 INFO L185 Difference]: Start difference. First operand has 93 places, 137 transitions, 1078 flow. Second operand 9 states and 3006 transitions. [2021-04-28 21:11:08,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 183 transitions, 1750 flow [2021-04-28 21:11:37,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 183 transitions, 1587 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 21:11:37,586 INFO L241 Difference]: Finished difference. Result has 101 places, 168 transitions, 1506 flow [2021-04-28 21:11:37,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1506, PETRI_PLACES=101, PETRI_TRANSITIONS=168} [2021-04-28 21:11:37,586 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -57 predicate places. [2021-04-28 21:11:37,587 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:11:37,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 168 transitions, 1506 flow [2021-04-28 21:11:37,587 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 168 transitions, 1506 flow [2021-04-28 21:11:37,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 168 transitions, 1506 flow [2021-04-28 21:11:50,725 INFO L129 PetriNetUnfolder]: 60086/107882 cut-off events. [2021-04-28 21:11:50,726 INFO L130 PetriNetUnfolder]: For 407175/563650 co-relation queries the response was YES. [2021-04-28 21:11:51,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 626540 conditions, 107882 events. 60086/107882 cut-off events. For 407175/563650 co-relation queries the response was YES. Maximal size of possible extension queue 22490. Compared 1381353 event pairs, 2664 based on Foata normal form. 2/32844 useless extension candidates. Maximal degree in co-relation 626510. Up to 86941 conditions per place. [2021-04-28 21:11:52,792 INFO L146 LiptonReduction]: Number of co-enabled transitions 6370 [2021-04-28 21:13:34,968 INFO L158 LiptonReduction]: Checked pairs total: 11078 [2021-04-28 21:13:34,969 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:13:34,969 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117383 [2021-04-28 21:13:34,970 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 168 transitions, 1506 flow [2021-04-28 21:13:34,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 320.8333333333333) internal successors, (1925), 6 states have internal predecessors, (1925), 0 states have call successors, (0), 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 21:13:34,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:13:34,972 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 21:13:34,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:13:34,972 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 21:13:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:13:34,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1248214893, now seen corresponding path program 1 times [2021-04-28 21:13:34,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:13:34,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277741977] [2021-04-28 21:13:34,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:13:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:13:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:13:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:13:35,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:13:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:13:35,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:13:35,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:13:35,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:13:35,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:13:35,126 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:13:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:13:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:13:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:13:35,140 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 21:13:35,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277741977] [2021-04-28 21:13:35,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:13:35,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:13:35,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838262999] [2021-04-28 21:13:35,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:13:35,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:13:35,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:13:35,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:13:35,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 21:13:35,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 168 transitions, 1506 flow. Second operand has 7 states, 7 states have (on average 320.85714285714283) internal successors, (2246), 7 states have internal predecessors, (2246), 0 states have call successors, (0), 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 21:13:35,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:13:35,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 21:13:35,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:13:52,871 INFO L129 PetriNetUnfolder]: 59196/106960 cut-off events. [2021-04-28 21:13:52,871 INFO L130 PetriNetUnfolder]: For 272295/1422087 co-relation queries the response was YES. [2021-04-28 21:13:53,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 719769 conditions, 106960 events. 59196/106960 cut-off events. For 272295/1422087 co-relation queries the response was YES. Maximal size of possible extension queue 23184. Compared 1338801 event pairs, 24 based on Foata normal form. 1858/34340 useless extension candidates. Maximal degree in co-relation 719737. Up to 84313 conditions per place. [2021-04-28 21:13:53,864 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 6 selfloop transitions, 113 changer transitions 20/191 dead transitions. [2021-04-28 21:13:53,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 191 transitions, 1994 flow [2021-04-28 21:13:53,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 21:13:53,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 21:13:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3652 transitions. [2021-04-28 21:13:53,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7980769230769231 [2021-04-28 21:13:53,875 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3652 transitions. [2021-04-28 21:13:53,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3652 transitions. [2021-04-28 21:13:53,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:13:53,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3652 transitions. [2021-04-28 21:13:53,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 332.0) internal successors, (3652), 11 states have internal predecessors, (3652), 0 states have call successors, (0), 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 21:13:53,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 416.0) internal successors, (4992), 12 states have internal predecessors, (4992), 0 states have call successors, (0), 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 21:13:53,894 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 416.0) internal successors, (4992), 12 states have internal predecessors, (4992), 0 states have call successors, (0), 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 21:13:53,895 INFO L185 Difference]: Start difference. First operand has 101 places, 168 transitions, 1506 flow. Second operand 11 states and 3652 transitions. [2021-04-28 21:13:53,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 191 transitions, 1994 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown