/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/mix053_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:08:30,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:08:30,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:08:30,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:08:30,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:08:30,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:08:30,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:08:30,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:08:30,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:08:30,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:08:30,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:08:30,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:08:30,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:08:30,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:08:30,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:08:30,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:08:30,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:08:30,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:08:30,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:08:30,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:08:30,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:08:30,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:08:30,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:08:30,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:08:30,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:08:30,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:08:30,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:08:30,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:08:30,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:08:30,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:08:30,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:08:30,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:08:30,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:08:30,743 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:08:30,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:08:30,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:08:30,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:08:30,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:08:30,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:08:30,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:08:30,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:08:30,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:08:30,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:08:30,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:08:30,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:08:30,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:08:30,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:08:30,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:08:30,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:08:30,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:08:30,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:08:30,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:08:30,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:08:30,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:08:30,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:08:30,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:08:30,750 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:08:30,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:08:30,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:08:30,751 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:08:31,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:08:31,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:08:31,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:08:31,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:08:31,179 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:08:31,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix053_pso.oepc.i [2021-04-28 22:08:31,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dccf7f0/deed5b95594c466e84a390ff8d782773/FLAGd425e9fbb [2021-04-28 22:08:32,108 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:08:32,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_pso.oepc.i [2021-04-28 22:08:32,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dccf7f0/deed5b95594c466e84a390ff8d782773/FLAGd425e9fbb [2021-04-28 22:08:32,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dccf7f0/deed5b95594c466e84a390ff8d782773 [2021-04-28 22:08:32,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:08:32,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:08:32,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:08:32,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:08:32,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:08:32,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:08:32" (1/1) ... [2021-04-28 22:08:32,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4aceb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:32, skipping insertion in model container [2021-04-28 22:08:32,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:08:32" (1/1) ... [2021-04-28 22:08:32,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:08:32,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:08:32,663 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/mix053_pso.oepc.i[949,962] [2021-04-28 22:08:32,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:08:32,975 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:08:32,995 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/mix053_pso.oepc.i[949,962] [2021-04-28 22:08:33,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:08:33,283 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:08:33,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33 WrapperNode [2021-04-28 22:08:33,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:08:33,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:08:33,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:08:33,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:08:33,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:08:33,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:08:33,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:08:33,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:08:33,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... [2021-04-28 22:08:33,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:08:33,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:08:33,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:08:33,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:08:33,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:08:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:08:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:08:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:08:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:08:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:08:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:08:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:08:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:08:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:08:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:08:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:08:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:08:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:08:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:08:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:08:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:08:33,560 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:08:36,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:08:36,065 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:08:36,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:08:36 BoogieIcfgContainer [2021-04-28 22:08:36,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:08:36,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:08:36,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:08:36,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:08:36,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:08:32" (1/3) ... [2021-04-28 22:08:36,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51358150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:08:36, skipping insertion in model container [2021-04-28 22:08:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:33" (2/3) ... [2021-04-28 22:08:36,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51358150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:08:36, skipping insertion in model container [2021-04-28 22:08:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:08:36" (3/3) ... [2021-04-28 22:08:36,076 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053_pso.oepc.i [2021-04-28 22:08:36,084 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:08:36,090 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:08:36,091 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:08:36,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,133 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,134 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,134 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,134 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,135 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,135 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,136 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,136 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,141 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,147 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,147 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,148 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,148 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,153 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,153 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,154 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,154 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,178 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,178 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,180 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,181 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,184 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,184 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,187 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,187 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:36,194 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:08:36,218 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:08:36,244 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:08:36,244 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:08:36,244 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:08:36,244 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:08:36,245 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:08:36,245 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:08:36,245 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:08:36,245 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:08:36,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 22:08:36,314 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 22:08:36,314 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:08:36,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 22:08:36,321 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 22:08:36,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-04-28 22:08:36,329 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:08:36,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 22:08:36,350 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 22:08:36,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-04-28 22:08:36,381 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 22:08:36,381 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:08:36,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 22:08:36,387 INFO L146 LiptonReduction]: Number of co-enabled transitions 2672 [2021-04-28 22:08:39,973 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:08:40,092 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:08:40,642 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 22:08:40,861 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:08:41,417 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 22:08:42,064 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 22:08:43,404 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:08:43,508 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:08:43,721 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:08:43,943 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:08:56,661 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:08:57,072 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:57,199 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:57,329 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:57,454 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:58,300 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:58,437 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:58,541 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:58,645 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:58,760 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:58,880 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:58,997 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:59,112 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:59,219 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:59,328 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:59,439 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:59,547 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:09:00,824 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:09:03,541 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:09:03,674 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:09:03,809 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:09:03,942 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:09:04,069 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:09:04,193 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:09:04,317 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:09:04,440 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:09:05,715 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:09:05,847 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:09:05,976 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:09:06,142 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:09:06,250 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:09:06,357 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:09:06,466 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:09:06,578 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:09:07,437 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:07,576 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:07,719 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:07,859 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:08,074 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:08,277 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:08,467 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:08,662 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:08,848 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,041 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,258 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,444 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,594 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:09,743 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:09,896 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:10,044 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:10,226 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:10,408 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:10,591 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:10,776 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:10,922 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:11,065 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:11,210 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:11,354 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:11,507 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:11,656 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:11,811 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:11,967 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:09:12,526 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:09:12,782 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:09:13,306 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:09:13,551 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:09:13,739 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:13,929 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:14,118 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:14,305 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:14,504 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:14,697 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:14,883 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:15,073 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:15,549 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:15,702 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:15,881 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:16,040 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:16,226 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:16,414 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:16,600 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:16,790 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:17,295 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:09:17,539 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:09:18,049 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:09:18,286 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:09:18,498 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:18,702 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:18,914 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:19,126 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:19,326 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:09:19,518 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:09:19,718 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:09:19,913 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:09:20,090 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:20,269 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:20,453 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:20,636 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:20,809 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:20,974 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:21,147 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:21,317 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:21,379 INFO L158 LiptonReduction]: Checked pairs total: 28122 [2021-04-28 22:09:21,379 INFO L160 LiptonReduction]: Total number of compositions: 283 [2021-04-28 22:09:21,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45058 [2021-04-28 22:09:21,407 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-28 22:09:21,407 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:21,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:21,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 22:09:21,409 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:21,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:21,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1378315, now seen corresponding path program 1 times [2021-04-28 22:09:21,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:21,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202617228] [2021-04-28 22:09:21,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:21,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:21,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:21,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202617228] [2021-04-28 22:09:21,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:21,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:09:21,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212588810] [2021-04-28 22:09:21,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:09:21,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:21,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:09:21,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:09:21,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 398 [2021-04-28 22:09:21,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:21,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:21,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 398 [2021-04-28 22:09:21,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:22,040 INFO L129 PetriNetUnfolder]: 133/836 cut-off events. [2021-04-28 22:09:22,040 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:22,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 836 events. 133/836 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 7555 event pairs, 110 based on Foata normal form. 69/346 useless extension candidates. Maximal degree in co-relation 990. Up to 153 conditions per place. [2021-04-28 22:09:22,054 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 11 selfloop transitions, 2 changer transitions 56/143 dead transitions. [2021-04-28 22:09:22,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 356 flow [2021-04-28 22:09:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:09:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:09:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2021-04-28 22:09:22,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8090452261306532 [2021-04-28 22:09:22,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 966 transitions. [2021-04-28 22:09:22,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 966 transitions. [2021-04-28 22:09:22,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:22,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 966 transitions. [2021-04-28 22:09:22,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:22,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:22,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:22,105 INFO L185 Difference]: Start difference. First operand has 154 places, 142 transitions, 296 flow. Second operand 3 states and 966 transitions. [2021-04-28 22:09:22,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 356 flow [2021-04-28 22:09:22,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 143 transitions, 352 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:09:22,115 INFO L241 Difference]: Finished difference. Result has 149 places, 82 transitions, 176 flow [2021-04-28 22:09:22,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=149, PETRI_TRANSITIONS=82} [2021-04-28 22:09:22,119 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2021-04-28 22:09:22,119 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:22,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 82 transitions, 176 flow [2021-04-28 22:09:22,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 82 transitions, 176 flow [2021-04-28 22:09:22,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 82 transitions, 176 flow [2021-04-28 22:09:22,133 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-04-28 22:09:22,134 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:22,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 82 events. 0/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 418 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:09:22,137 INFO L146 LiptonReduction]: Number of co-enabled transitions 3248 [2021-04-28 22:09:22,510 INFO L158 LiptonReduction]: Checked pairs total: 4162 [2021-04-28 22:09:22,510 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:22,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 392 [2021-04-28 22:09:22,513 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 82 transitions, 176 flow [2021-04-28 22:09:22,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:22,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:22,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:22,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:09:22,515 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:22,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:22,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1181527596, now seen corresponding path program 1 times [2021-04-28 22:09:22,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:22,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349178591] [2021-04-28 22:09:22,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:22,642 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:09:22,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:09:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:22,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349178591] [2021-04-28 22:09:22,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:22,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:09:22,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007826383] [2021-04-28 22:09:22,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:09:22,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:22,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:09:22,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:09:22,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:09:22,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 82 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:22,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:22,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:09:22,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:24,387 INFO L129 PetriNetUnfolder]: 3569/10026 cut-off events. [2021-04-28 22:09:24,387 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:24,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15341 conditions, 10026 events. 3569/10026 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1636. Compared 130089 event pairs, 1079 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 15332. Up to 2920 conditions per place. [2021-04-28 22:09:24,466 INFO L132 encePairwiseOnDemand]: 375/398 looper letters, 7 selfloop transitions, 7 changer transitions 50/112 dead transitions. [2021-04-28 22:09:24,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 112 transitions, 364 flow [2021-04-28 22:09:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:09:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:09:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 763 transitions. [2021-04-28 22:09:24,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6390284757118928 [2021-04-28 22:09:24,471 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 763 transitions. [2021-04-28 22:09:24,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 763 transitions. [2021-04-28 22:09:24,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:24,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 763 transitions. [2021-04-28 22:09:24,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,480 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,480 INFO L185 Difference]: Start difference. First operand has 93 places, 82 transitions, 176 flow. Second operand 3 states and 763 transitions. [2021-04-28 22:09:24,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 112 transitions, 364 flow [2021-04-28 22:09:24,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 112 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:09:24,483 INFO L241 Difference]: Finished difference. Result has 95 places, 62 transitions, 174 flow [2021-04-28 22:09:24,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=95, PETRI_TRANSITIONS=62} [2021-04-28 22:09:24,484 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -59 predicate places. [2021-04-28 22:09:24,485 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:24,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 62 transitions, 174 flow [2021-04-28 22:09:24,485 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 62 transitions, 174 flow [2021-04-28 22:09:24,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 62 transitions, 174 flow [2021-04-28 22:09:24,595 INFO L129 PetriNetUnfolder]: 158/610 cut-off events. [2021-04-28 22:09:24,595 INFO L130 PetriNetUnfolder]: For 53/81 co-relation queries the response was YES. [2021-04-28 22:09:24,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 610 events. 158/610 cut-off events. For 53/81 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4778 event pairs, 66 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 1007. Up to 189 conditions per place. [2021-04-28 22:09:24,615 INFO L146 LiptonReduction]: Number of co-enabled transitions 2186 [2021-04-28 22:09:24,837 INFO L158 LiptonReduction]: Checked pairs total: 1416 [2021-04-28 22:09:24,838 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:24,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 353 [2021-04-28 22:09:24,840 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 174 flow [2021-04-28 22:09:24,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:24,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:24,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:09:24,842 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:24,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:24,843 INFO L82 PathProgramCache]: Analyzing trace with hash -758693878, now seen corresponding path program 1 times [2021-04-28 22:09:24,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:24,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877753644] [2021-04-28 22:09:24,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:24,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:24,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:24,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877753644] [2021-04-28 22:09:24,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:24,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:09:24,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955448774] [2021-04-28 22:09:24,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:09:24,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:24,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:09:24,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:09:24,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 398 [2021-04-28 22:09:24,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:24,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 398 [2021-04-28 22:09:24,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:25,092 INFO L129 PetriNetUnfolder]: 133/549 cut-off events. [2021-04-28 22:09:25,093 INFO L130 PetriNetUnfolder]: For 138/269 co-relation queries the response was YES. [2021-04-28 22:09:25,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 549 events. 133/549 cut-off events. For 138/269 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4169 event pairs, 44 based on Foata normal form. 5/371 useless extension candidates. Maximal degree in co-relation 968. Up to 163 conditions per place. [2021-04-28 22:09:25,100 INFO L132 encePairwiseOnDemand]: 394/398 looper letters, 5 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2021-04-28 22:09:25,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 66 transitions, 214 flow [2021-04-28 22:09:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:09:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:09:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 922 transitions. [2021-04-28 22:09:25,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7721943048576214 [2021-04-28 22:09:25,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 922 transitions. [2021-04-28 22:09:25,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 922 transitions. [2021-04-28 22:09:25,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:25,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 922 transitions. [2021-04-28 22:09:25,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,115 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,115 INFO L185 Difference]: Start difference. First operand has 69 places, 62 transitions, 174 flow. Second operand 3 states and 922 transitions. [2021-04-28 22:09:25,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 66 transitions, 214 flow [2021-04-28 22:09:25,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:09:25,122 INFO L241 Difference]: Finished difference. Result has 70 places, 66 transitions, 201 flow [2021-04-28 22:09:25,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2021-04-28 22:09:25,123 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -84 predicate places. [2021-04-28 22:09:25,123 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:25,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 201 flow [2021-04-28 22:09:25,125 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 201 flow [2021-04-28 22:09:25,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 201 flow [2021-04-28 22:09:25,210 INFO L129 PetriNetUnfolder]: 133/525 cut-off events. [2021-04-28 22:09:25,210 INFO L130 PetriNetUnfolder]: For 49/136 co-relation queries the response was YES. [2021-04-28 22:09:25,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 525 events. 133/525 cut-off events. For 49/136 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3961 event pairs, 30 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 854. Up to 163 conditions per place. [2021-04-28 22:09:25,228 INFO L146 LiptonReduction]: Number of co-enabled transitions 2418 [2021-04-28 22:09:25,372 INFO L158 LiptonReduction]: Checked pairs total: 1488 [2021-04-28 22:09:25,372 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:25,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-04-28 22:09:25,375 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 201 flow [2021-04-28 22:09:25,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:25,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:25,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:09:25,376 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:25,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:25,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2027352895, now seen corresponding path program 1 times [2021-04-28 22:09:25,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:25,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850889368] [2021-04-28 22:09:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:25,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:25,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:25,442 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:09:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:09:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:25,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850889368] [2021-04-28 22:09:25,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:25,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:09:25,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074448413] [2021-04-28 22:09:25,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:09:25,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:25,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:09:25,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:09:25,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:09:25,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 201 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:25,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:09:25,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:25,580 INFO L129 PetriNetUnfolder]: 117/497 cut-off events. [2021-04-28 22:09:25,580 INFO L130 PetriNetUnfolder]: For 102/683 co-relation queries the response was YES. [2021-04-28 22:09:25,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 497 events. 117/497 cut-off events. For 102/683 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3684 event pairs, 30 based on Foata normal form. 9/342 useless extension candidates. Maximal degree in co-relation 1006. Up to 143 conditions per place. [2021-04-28 22:09:25,588 INFO L132 encePairwiseOnDemand]: 390/398 looper letters, 14 selfloop transitions, 13 changer transitions 0/75 dead transitions. [2021-04-28 22:09:25,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 75 transitions, 297 flow [2021-04-28 22:09:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:09:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:09:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 956 transitions. [2021-04-28 22:09:25,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6005025125628141 [2021-04-28 22:09:25,593 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 956 transitions. [2021-04-28 22:09:25,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 956 transitions. [2021-04-28 22:09:25,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:25,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 956 transitions. [2021-04-28 22:09:25,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,604 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,604 INFO L185 Difference]: Start difference. First operand has 70 places, 66 transitions, 201 flow. Second operand 4 states and 956 transitions. [2021-04-28 22:09:25,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 75 transitions, 297 flow [2021-04-28 22:09:25,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 75 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:09:25,608 INFO L241 Difference]: Finished difference. Result has 74 places, 72 transitions, 273 flow [2021-04-28 22:09:25,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=273, PETRI_PLACES=74, PETRI_TRANSITIONS=72} [2021-04-28 22:09:25,608 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -80 predicate places. [2021-04-28 22:09:25,609 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:25,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 72 transitions, 273 flow [2021-04-28 22:09:25,609 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 72 transitions, 273 flow [2021-04-28 22:09:25,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 273 flow [2021-04-28 22:09:25,687 INFO L129 PetriNetUnfolder]: 117/525 cut-off events. [2021-04-28 22:09:25,687 INFO L130 PetriNetUnfolder]: For 241/427 co-relation queries the response was YES. [2021-04-28 22:09:25,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1023 conditions, 525 events. 117/525 cut-off events. For 241/427 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4041 event pairs, 26 based on Foata normal form. 1/347 useless extension candidates. Maximal degree in co-relation 1010. Up to 143 conditions per place. [2021-04-28 22:09:25,707 INFO L146 LiptonReduction]: Number of co-enabled transitions 2724 [2021-04-28 22:09:25,930 INFO L158 LiptonReduction]: Checked pairs total: 1702 [2021-04-28 22:09:25,931 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:25,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-04-28 22:09:25,933 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 72 transitions, 273 flow [2021-04-28 22:09:25,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:25,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:25,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:25,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:09:25,935 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:25,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1576566027, now seen corresponding path program 1 times [2021-04-28 22:09:25,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:25,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589068013] [2021-04-28 22:09:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:26,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:26,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:26,010 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:09:26,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:09:26,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:26,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:09:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:26,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589068013] [2021-04-28 22:09:26,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:26,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:09:26,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786030970] [2021-04-28 22:09:26,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:09:26,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:26,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:09:26,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:09:26,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:09:26,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 72 transitions, 273 flow. Second operand has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:26,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:26,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:09:26,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:35,788 INFO L129 PetriNetUnfolder]: 64332/96471 cut-off events. [2021-04-28 22:09:35,788 INFO L130 PetriNetUnfolder]: For 2038/2874 co-relation queries the response was YES. [2021-04-28 22:09:36,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194248 conditions, 96471 events. 64332/96471 cut-off events. For 2038/2874 co-relation queries the response was YES. Maximal size of possible extension queue 16107. Compared 941643 event pairs, 12401 based on Foata normal form. 1181/27657 useless extension candidates. Maximal degree in co-relation 194233. Up to 54811 conditions per place. [2021-04-28 22:09:36,813 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 38 selfloop transitions, 25 changer transitions 0/108 dead transitions. [2021-04-28 22:09:36,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 108 transitions, 471 flow [2021-04-28 22:09:36,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:09:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:09:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1094 transitions. [2021-04-28 22:09:36,818 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6871859296482412 [2021-04-28 22:09:36,818 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1094 transitions. [2021-04-28 22:09:36,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1094 transitions. [2021-04-28 22:09:36,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:36,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1094 transitions. [2021-04-28 22:09:36,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 273.5) internal successors, (1094), 4 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:36,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:36,829 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:36,829 INFO L185 Difference]: Start difference. First operand has 74 places, 72 transitions, 273 flow. Second operand 4 states and 1094 transitions. [2021-04-28 22:09:36,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 108 transitions, 471 flow [2021-04-28 22:09:36,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 108 transitions, 471 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:09:36,853 INFO L241 Difference]: Finished difference. Result has 79 places, 95 transitions, 456 flow [2021-04-28 22:09:36,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=79, PETRI_TRANSITIONS=95} [2021-04-28 22:09:36,854 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -75 predicate places. [2021-04-28 22:09:36,854 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:36,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 95 transitions, 456 flow [2021-04-28 22:09:36,854 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 95 transitions, 456 flow [2021-04-28 22:09:36,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 95 transitions, 456 flow [2021-04-28 22:09:40,917 INFO L129 PetriNetUnfolder]: 27965/47306 cut-off events. [2021-04-28 22:09:40,918 INFO L130 PetriNetUnfolder]: For 3211/16241 co-relation queries the response was YES. [2021-04-28 22:09:41,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100268 conditions, 47306 events. 27965/47306 cut-off events. For 3211/16241 co-relation queries the response was YES. Maximal size of possible extension queue 8988. Compared 515738 event pairs, 12354 based on Foata normal form. 15/14623 useless extension candidates. Maximal degree in co-relation 100251. Up to 44536 conditions per place. [2021-04-28 22:09:41,931 INFO L146 LiptonReduction]: Number of co-enabled transitions 3828 [2021-04-28 22:09:41,996 INFO L158 LiptonReduction]: Checked pairs total: 2190 [2021-04-28 22:09:41,997 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:41,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5143 [2021-04-28 22:09:42,003 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 95 transitions, 456 flow [2021-04-28 22:09:42,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:42,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:42,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:42,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:09:42,006 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:42,016 INFO L82 PathProgramCache]: Analyzing trace with hash 804984159, now seen corresponding path program 1 times [2021-04-28 22:09:42,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:42,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255418979] [2021-04-28 22:09:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:42,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:42,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:09:42,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:42,161 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:09:42,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:09:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:42,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255418979] [2021-04-28 22:09:42,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:42,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:09:42,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777512394] [2021-04-28 22:09:42,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:09:42,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:42,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:09:42,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:09:42,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:09:42,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 95 transitions, 456 flow. Second operand has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:42,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:42,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:09:42,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:49,187 INFO L129 PetriNetUnfolder]: 46902/76726 cut-off events. [2021-04-28 22:09:49,188 INFO L130 PetriNetUnfolder]: For 6752/30007 co-relation queries the response was YES. [2021-04-28 22:09:49,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161521 conditions, 76726 events. 46902/76726 cut-off events. For 6752/30007 co-relation queries the response was YES. Maximal size of possible extension queue 13815. Compared 833807 event pairs, 22203 based on Foata normal form. 333/24200 useless extension candidates. Maximal degree in co-relation 161502. Up to 73378 conditions per place. [2021-04-28 22:09:49,773 INFO L132 encePairwiseOnDemand]: 390/398 looper letters, 18 selfloop transitions, 15 changer transitions 0/104 dead transitions. [2021-04-28 22:09:49,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 104 transitions, 583 flow [2021-04-28 22:09:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:09:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:09:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 955 transitions. [2021-04-28 22:09:49,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5998743718592965 [2021-04-28 22:09:49,778 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 955 transitions. [2021-04-28 22:09:49,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 955 transitions. [2021-04-28 22:09:49,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:49,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 955 transitions. [2021-04-28 22:09:49,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:49,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:49,788 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:49,788 INFO L185 Difference]: Start difference. First operand has 79 places, 95 transitions, 456 flow. Second operand 4 states and 955 transitions. [2021-04-28 22:09:49,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 104 transitions, 583 flow [2021-04-28 22:09:49,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 104 transitions, 570 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:09:49,802 INFO L241 Difference]: Finished difference. Result has 84 places, 100 transitions, 556 flow [2021-04-28 22:09:49,802 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=556, PETRI_PLACES=84, PETRI_TRANSITIONS=100} [2021-04-28 22:09:49,805 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -70 predicate places. [2021-04-28 22:09:49,805 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:49,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 100 transitions, 556 flow [2021-04-28 22:09:49,806 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 100 transitions, 556 flow [2021-04-28 22:09:49,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 100 transitions, 556 flow [2021-04-28 22:09:56,809 INFO L129 PetriNetUnfolder]: 46752/76004 cut-off events. [2021-04-28 22:09:56,809 INFO L130 PetriNetUnfolder]: For 5691/25813 co-relation queries the response was YES. [2021-04-28 22:09:57,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157654 conditions, 76004 events. 46752/76004 cut-off events. For 5691/25813 co-relation queries the response was YES. Maximal size of possible extension queue 13561. Compared 820976 event pairs, 22242 based on Foata normal form. 14/23712 useless extension candidates. Maximal degree in co-relation 157633. Up to 72928 conditions per place. [2021-04-28 22:09:57,920 INFO L146 LiptonReduction]: Number of co-enabled transitions 4322 [2021-04-28 22:09:58,072 INFO L158 LiptonReduction]: Checked pairs total: 2356 [2021-04-28 22:09:58,072 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:58,073 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8268 [2021-04-28 22:09:58,074 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 100 transitions, 556 flow [2021-04-28 22:09:58,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:58,075 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:58,075 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:58,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:09:58,075 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:58,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:58,076 INFO L82 PathProgramCache]: Analyzing trace with hash 484641826, now seen corresponding path program 1 times [2021-04-28 22:09:58,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:58,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659146045] [2021-04-28 22:09:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:58,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:58,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:58,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:58,205 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:09:58,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:09:58,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:09:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:58,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659146045] [2021-04-28 22:09:58,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:58,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:09:58,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216873361] [2021-04-28 22:09:58,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:09:58,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:58,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:09:58,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:09:58,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:09:58,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 100 transitions, 556 flow. Second operand has 5 states, 5 states have (on average 259.8) internal successors, (1299), 5 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:58,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:58,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:09:58,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:10:23,269 INFO L129 PetriNetUnfolder]: 129411/201274 cut-off events. [2021-04-28 22:10:23,269 INFO L130 PetriNetUnfolder]: For 33825/434164 co-relation queries the response was YES. [2021-04-28 22:10:24,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 606942 conditions, 201274 events. 129411/201274 cut-off events. For 33825/434164 co-relation queries the response was YES. Maximal size of possible extension queue 34752. Compared 2266071 event pairs, 8031 based on Foata normal form. 2058/61217 useless extension candidates. Maximal degree in co-relation 606919. Up to 174511 conditions per place. [2021-04-28 22:10:24,769 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 50 selfloop transitions, 37 changer transitions 0/137 dead transitions. [2021-04-28 22:10:24,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 137 transitions, 874 flow [2021-04-28 22:10:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:10:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:10:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1373 transitions. [2021-04-28 22:10:24,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6899497487437186 [2021-04-28 22:10:24,775 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1373 transitions. [2021-04-28 22:10:24,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1373 transitions. [2021-04-28 22:10:24,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:10:24,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1373 transitions. [2021-04-28 22:10:24,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.6) internal successors, (1373), 5 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:24,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:24,787 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:24,787 INFO L185 Difference]: Start difference. First operand has 84 places, 100 transitions, 556 flow. Second operand 5 states and 1373 transitions. [2021-04-28 22:10:24,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 137 transitions, 874 flow [2021-04-28 22:10:24,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 137 transitions, 868 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 22:10:24,808 INFO L241 Difference]: Finished difference. Result has 90 places, 123 transitions, 814 flow [2021-04-28 22:10:24,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=814, PETRI_PLACES=90, PETRI_TRANSITIONS=123} [2021-04-28 22:10:24,808 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -64 predicate places. [2021-04-28 22:10:24,808 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:10:24,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 123 transitions, 814 flow [2021-04-28 22:10:24,809 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 123 transitions, 814 flow [2021-04-28 22:10:24,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 123 transitions, 814 flow [2021-04-28 22:10:39,646 INFO L129 PetriNetUnfolder]: 79340/134992 cut-off events. [2021-04-28 22:10:39,646 INFO L130 PetriNetUnfolder]: For 45422/407372 co-relation queries the response was YES. [2021-04-28 22:10:40,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 448155 conditions, 134992 events. 79340/134992 cut-off events. For 45422/407372 co-relation queries the response was YES. Maximal size of possible extension queue 27099. Compared 1656210 event pairs, 9344 based on Foata normal form. 57/40302 useless extension candidates. Maximal degree in co-relation 448130. Up to 124408 conditions per place. [2021-04-28 22:10:41,748 INFO L146 LiptonReduction]: Number of co-enabled transitions 5636 [2021-04-28 22:10:41,896 INFO L158 LiptonReduction]: Checked pairs total: 4118 [2021-04-28 22:10:41,896 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:10:41,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17088 [2021-04-28 22:10:41,898 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 123 transitions, 814 flow [2021-04-28 22:10:41,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 259.8) internal successors, (1299), 5 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:41,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:10:41,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:10:41,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:10:41,899 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:10:41,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:10:41,899 INFO L82 PathProgramCache]: Analyzing trace with hash 947729316, now seen corresponding path program 1 times [2021-04-28 22:10:41,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:10:41,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252090050] [2021-04-28 22:10:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:10:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:10:42,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:42,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:10:42,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:42,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:10:42,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:42,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:10:42,168 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:10:42,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:10:42,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:10:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:10:42,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252090050] [2021-04-28 22:10:42,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:10:42,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:10:42,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544291466] [2021-04-28 22:10:42,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:10:42,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:10:42,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:10:42,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:10:42,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:10:42,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 123 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 259.8333333333333) internal successors, (1559), 6 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:42,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:10:42,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:10:42,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:11:08,684 INFO L129 PetriNetUnfolder]: 125307/207304 cut-off events. [2021-04-28 22:11:08,685 INFO L130 PetriNetUnfolder]: For 93168/684988 co-relation queries the response was YES. [2021-04-28 22:11:09,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 881497 conditions, 207304 events. 125307/207304 cut-off events. For 93168/684988 co-relation queries the response was YES. Maximal size of possible extension queue 35775. Compared 2532890 event pairs, 66 based on Foata normal form. 1972/62625 useless extension candidates. Maximal degree in co-relation 881470. Up to 181963 conditions per place. [2021-04-28 22:11:10,223 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 62 selfloop transitions, 49 changer transitions 0/161 dead transitions. [2021-04-28 22:11:10,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 161 transitions, 1263 flow [2021-04-28 22:11:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:11:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:11:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1652 transitions. [2021-04-28 22:11:10,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6917922948073701 [2021-04-28 22:11:10,229 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1652 transitions. [2021-04-28 22:11:10,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1652 transitions. [2021-04-28 22:11:10,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:11:10,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1652 transitions. [2021-04-28 22:11:10,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.3333333333333) internal successors, (1652), 6 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:10,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 398.0) internal successors, (2786), 7 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:10,242 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 398.0) internal successors, (2786), 7 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:10,242 INFO L185 Difference]: Start difference. First operand has 90 places, 123 transitions, 814 flow. Second operand 6 states and 1652 transitions. [2021-04-28 22:11:10,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 161 transitions, 1263 flow [2021-04-28 22:11:10,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 161 transitions, 1202 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-28 22:11:10,661 INFO L241 Difference]: Finished difference. Result has 95 places, 146 transitions, 1098 flow [2021-04-28 22:11:10,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1098, PETRI_PLACES=95, PETRI_TRANSITIONS=146} [2021-04-28 22:11:10,661 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -59 predicate places. [2021-04-28 22:11:10,662 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:11:10,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 146 transitions, 1098 flow [2021-04-28 22:11:10,662 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 146 transitions, 1098 flow [2021-04-28 22:11:10,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 146 transitions, 1098 flow [2021-04-28 22:11:33,129 INFO L129 PetriNetUnfolder]: 104274/179946 cut-off events. [2021-04-28 22:11:33,129 INFO L130 PetriNetUnfolder]: For 240005/531790 co-relation queries the response was YES. [2021-04-28 22:11:33,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 815541 conditions, 179946 events. 104274/179946 cut-off events. For 240005/531790 co-relation queries the response was YES. Maximal size of possible extension queue 35612. Compared 2295959 event pairs, 366 based on Foata normal form. 46/52419 useless extension candidates. Maximal degree in co-relation 815514. Up to 158671 conditions per place. [2021-04-28 22:11:35,967 INFO L146 LiptonReduction]: Number of co-enabled transitions 6228 [2021-04-28 22:11:36,424 INFO L158 LiptonReduction]: Checked pairs total: 5856 [2021-04-28 22:11:36,424 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:11:36,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25763 [2021-04-28 22:11:36,426 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 146 transitions, 1098 flow [2021-04-28 22:11:36,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 259.8333333333333) internal successors, (1559), 6 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:36,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:11:36,427 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] [2021-04-28 22:11:36,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:11:36,427 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:11:36,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:11:36,428 INFO L82 PathProgramCache]: Analyzing trace with hash 348937012, now seen corresponding path program 1 times [2021-04-28 22:11:36,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:11:36,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528806910] [2021-04-28 22:11:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:11:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:11:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:36,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:36,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:36,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:36,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:36,534 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 22:11:36,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 22:11:36,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:36,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:36,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:36,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:11:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:11:36,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528806910] [2021-04-28 22:11:36,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:11:36,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:11:36,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327694231] [2021-04-28 22:11:36,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:11:36,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:11:36,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:11:36,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:11:36,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:11:36,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 146 transitions, 1098 flow. Second operand has 7 states, 7 states have (on average 259.85714285714283) internal successors, (1819), 7 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:36,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:11:36,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:11:36,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:12:08,097 INFO L129 PetriNetUnfolder]: 118665/202390 cut-off events. [2021-04-28 22:12:08,098 INFO L130 PetriNetUnfolder]: For 220751/836346 co-relation queries the response was YES. [2021-04-28 22:12:09,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1104852 conditions, 202390 events. 118665/202390 cut-off events. For 220751/836346 co-relation queries the response was YES. Maximal size of possible extension queue 35424. Compared 2552318 event pairs, 12 based on Foata normal form. 1348/59814 useless extension candidates. Maximal degree in co-relation 1104823. Up to 176095 conditions per place. [2021-04-28 22:12:09,430 INFO L132 encePairwiseOnDemand]: 375/398 looper letters, 49 selfloop transitions, 50 changer transitions 20/161 dead transitions. [2021-04-28 22:12:09,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 161 transitions, 1427 flow [2021-04-28 22:12:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:12:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:12:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1907 transitions. [2021-04-28 22:12:09,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6844938980617372 [2021-04-28 22:12:09,436 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1907 transitions. [2021-04-28 22:12:09,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1907 transitions. [2021-04-28 22:12:09,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:12:09,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1907 transitions. [2021-04-28 22:12:09,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 272.42857142857144) internal successors, (1907), 7 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:12:09,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 398.0) internal successors, (3184), 8 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:12:09,451 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 398.0) internal successors, (3184), 8 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:12:09,451 INFO L185 Difference]: Start difference. First operand has 95 places, 146 transitions, 1098 flow. Second operand 7 states and 1907 transitions. [2021-04-28 22:12:09,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 161 transitions, 1427 flow [2021-04-28 22:12:41,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 161 transitions, 1314 flow, removed 26 selfloop flow, removed 3 redundant places. [2021-04-28 22:12:41,121 INFO L241 Difference]: Finished difference. Result has 100 places, 138 transitions, 1086 flow [2021-04-28 22:12:41,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1086, PETRI_PLACES=100, PETRI_TRANSITIONS=138} [2021-04-28 22:12:41,122 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -54 predicate places. [2021-04-28 22:12:41,122 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:12:41,122 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 138 transitions, 1086 flow [2021-04-28 22:12:41,122 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 138 transitions, 1086 flow [2021-04-28 22:12:41,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 138 transitions, 1086 flow [2021-04-28 22:12:52,508 INFO L129 PetriNetUnfolder]: 62506/106633 cut-off events. [2021-04-28 22:12:52,508 INFO L130 PetriNetUnfolder]: For 216073/355508 co-relation queries the response was YES. [2021-04-28 22:12:53,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 510034 conditions, 106633 events. 62506/106633 cut-off events. For 216073/355508 co-relation queries the response was YES. Maximal size of possible extension queue 20430. Compared 1279722 event pairs, 12 based on Foata normal form. 0/30757 useless extension candidates. Maximal degree in co-relation 510005. Up to 76789 conditions per place. [2021-04-28 22:12:54,262 INFO L146 LiptonReduction]: Number of co-enabled transitions 4546 [2021-04-28 22:12:57,643 INFO L158 LiptonReduction]: Checked pairs total: 5198 [2021-04-28 22:12:57,643 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:12:57,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16521 [2021-04-28 22:12:57,644 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 138 transitions, 1086 flow [2021-04-28 22:12:57,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 259.85714285714283) internal successors, (1819), 7 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:12:57,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:12:57,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:12:57,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:12:57,646 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:12:57,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:12:57,646 INFO L82 PathProgramCache]: Analyzing trace with hash 609639416, now seen corresponding path program 1 times [2021-04-28 22:12:57,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:12:57,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499653827] [2021-04-28 22:12:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:12:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:12:57,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:12:57,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:12:57,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:12:57,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:12:57,730 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:12:57,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:12:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:12:57,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499653827] [2021-04-28 22:12:57,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:12:57,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:12:57,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717003832] [2021-04-28 22:12:57,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:12:57,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:12:57,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:12:57,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:12:57,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 398 [2021-04-28 22:12:57,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 138 transitions, 1086 flow. Second operand has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:12:57,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:12:57,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 398 [2021-04-28 22:12:57,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:13:16,755 INFO L129 PetriNetUnfolder]: 93164/159439 cut-off events. [2021-04-28 22:13:16,756 INFO L130 PetriNetUnfolder]: For 498049/936345 co-relation queries the response was YES. [2021-04-28 22:13:17,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 763722 conditions, 159439 events. 93164/159439 cut-off events. For 498049/936345 co-relation queries the response was YES. Maximal size of possible extension queue 29412. Compared 1951376 event pairs, 1 based on Foata normal form. 81/44631 useless extension candidates. Maximal degree in co-relation 763691. Up to 113806 conditions per place. [2021-04-28 22:13:18,101 INFO L132 encePairwiseOnDemand]: 389/398 looper letters, 15 selfloop transitions, 26 changer transitions 1/158 dead transitions. [2021-04-28 22:13:18,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 158 transitions, 1354 flow [2021-04-28 22:13:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:13:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:13:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1181 transitions. [2021-04-28 22:13:18,106 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5934673366834171 [2021-04-28 22:13:18,106 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1181 transitions. [2021-04-28 22:13:18,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1181 transitions. [2021-04-28 22:13:18,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:13:18,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1181 transitions. [2021-04-28 22:13:18,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 236.2) internal successors, (1181), 5 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:13:18,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:13:18,116 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:13:18,116 INFO L185 Difference]: Start difference. First operand has 99 places, 138 transitions, 1086 flow. Second operand 5 states and 1181 transitions. [2021-04-28 22:13:18,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 158 transitions, 1354 flow