/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/mix008_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:18:19,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:18:19,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:18:19,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:18:19,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:18:19,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:18:19,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:18:19,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:18:19,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:18:19,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:18:19,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:18:19,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:18:19,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:18:19,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:18:19,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:18:19,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:18:19,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:18:19,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:18:19,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:18:19,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:18:19,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:18:19,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:18:19,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:18:19,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:18:19,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 17:18:19,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 17:18:19,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 17:18:19,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 17:18:19,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 17:18:19,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 17:18:19,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 17:18:19,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 17:18:19,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 17:18:19,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:18:19,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:18:19,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:18:19,148 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 17:18:19,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:18:19,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:18:19,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:18:19,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:18:19,211 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:18:19,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:18:19,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:18:19,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:18:19,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:18:19,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:18:19,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:18:19,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:18:19,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:18:19,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:18:19,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:18:19,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:18:19,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:18:19,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:18:19,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:18:19,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:18:19,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:18:19,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:18:19,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:18:19,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:18:19,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:18:19,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:18:19,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:18:19,218 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:18:19,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:18:19,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:18:19,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:18:19,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:18:19,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:18:19,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:18:19,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:18:19,693 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:18:19,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_power.opt.i [2021-04-28 17:18:19,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8c50a73/6ea5a47ed59641acbbfd8cd6b9a2f3ac/FLAG8a4a3042b [2021-04-28 17:18:20,493 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:18:20,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_power.opt.i [2021-04-28 17:18:20,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8c50a73/6ea5a47ed59641acbbfd8cd6b9a2f3ac/FLAG8a4a3042b [2021-04-28 17:18:20,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8c50a73/6ea5a47ed59641acbbfd8cd6b9a2f3ac [2021-04-28 17:18:20,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:18:20,806 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:18:20,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:18:20,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:18:20,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:18:20,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:18:20" (1/1) ... [2021-04-28 17:18:20,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440dfd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:20, skipping insertion in model container [2021-04-28 17:18:20,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:18:20" (1/1) ... [2021-04-28 17:18:20,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:18:20,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:18:21,049 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/mix008_power.opt.i[950,963] [2021-04-28 17:18:21,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:18:21,301 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:18:21,316 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/mix008_power.opt.i[950,963] [2021-04-28 17:18:21,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:18:21,575 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:18:21,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21 WrapperNode [2021-04-28 17:18:21,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:18:21,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:18:21,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:18:21,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:18:21,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:18:21,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:18:21,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:18:21,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:18:21,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (1/1) ... [2021-04-28 17:18:21,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:18:21,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:18:21,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:18:21,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:18:21,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (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 17:18:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:18:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:18:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:18:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:18:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:18:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:18:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:18:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:18:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:18:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:18:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 17:18:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 17:18:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:18:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:18:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:18:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:18:21,819 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 17:18:24,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:18:24,584 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:18:24,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:18:24 BoogieIcfgContainer [2021-04-28 17:18:24,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:18:24,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:18:24,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:18:24,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:18:24,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:18:20" (1/3) ... [2021-04-28 17:18:24,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528611c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:18:24, skipping insertion in model container [2021-04-28 17:18:24,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:18:21" (2/3) ... [2021-04-28 17:18:24,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528611c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:18:24, skipping insertion in model container [2021-04-28 17:18:24,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:18:24" (3/3) ... [2021-04-28 17:18:24,598 INFO L111 eAbstractionObserver]: Analyzing ICFG mix008_power.opt.i [2021-04-28 17:18:24,610 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:18:24,615 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:18:24,616 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:18:24,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,677 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,680 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,680 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,681 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,681 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,682 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,687 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,702 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,702 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,702 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,702 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,702 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,702 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,703 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,703 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,703 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,703 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,703 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,703 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,704 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,704 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,705 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,706 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,713 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,730 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,731 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,743 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,746 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,748 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,749 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:18:24,752 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:18:24,776 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 17:18:24,810 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:18:24,810 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:18:24,811 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:18:24,811 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:18:24,811 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:18:24,811 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:18:24,811 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:18:24,811 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:18:24,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 17:18:24,919 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 17:18:24,919 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:18:24,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 17:18:24,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 17:18:24,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-04-28 17:18:24,953 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:18:24,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 17:18:24,977 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 17:18:24,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-04-28 17:18:25,034 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 17:18:25,035 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:18:25,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 17:18:25,042 INFO L146 LiptonReduction]: Number of co-enabled transitions 2502 [2021-04-28 17:18:28,537 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:18:28,689 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:18:29,286 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 17:18:29,533 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:18:30,269 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 17:18:30,683 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 17:18:30,822 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 17:18:37,427 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 17:18:46,621 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:18:46,731 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:18:46,836 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:18:46,952 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:18:47,425 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:18:47,529 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:18:47,635 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:18:47,740 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:18:47,884 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:18:47,999 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:18:48,110 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:18:48,221 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:18:49,285 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:49,390 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:49,494 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:49,598 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:49,745 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:18:49,892 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:18:50,043 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:18:50,194 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:18:50,317 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 17:18:51,113 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:51,225 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:51,331 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:51,435 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:51,935 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:52,041 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:52,146 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:52,250 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:52,411 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 17:18:52,567 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 17:18:52,726 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 17:18:52,883 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 17:18:52,987 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:53,091 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:53,231 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:53,336 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:18:54,310 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:18:54,471 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:18:54,627 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:18:54,785 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:18:54,933 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:55,084 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:55,239 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:55,400 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:55,539 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:55,680 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:55,811 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:55,950 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:56,082 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:18:56,244 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:18:56,370 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:18:56,497 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:18:56,645 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:56,794 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:56,947 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:57,095 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:18:57,288 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:18:57,469 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:18:57,647 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:18:57,827 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:18:57,964 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:58,100 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:58,234 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:58,369 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:58,542 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:18:58,706 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:18:58,876 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:18:59,044 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:18:59,184 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:59,325 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:59,495 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:59,631 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:18:59,749 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:18:59,863 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:18:59,980 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:19:00,101 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:19:00,279 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:19:00,458 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:19:00,640 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:19:00,819 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:19:00,974 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:19:01,126 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:19:01,271 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:19:01,416 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:19:01,555 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:19:01,699 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:19:01,845 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:19:01,987 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:19:02,109 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:19:02,227 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:19:02,352 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:19:02,477 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:19:02,696 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:19:02,825 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:19:02,952 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:19:03,082 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:19:03,318 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:03,554 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:03,790 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:03,997 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:04,523 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 17:19:04,767 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 17:19:05,297 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 17:19:05,548 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 17:19:05,769 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:05,981 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:06,200 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:06,434 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:06,654 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:06,877 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:07,091 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:07,305 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:07,513 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:19:07,712 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:19:07,907 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:19:08,102 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:19:08,651 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 17:19:08,916 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 17:19:09,470 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 17:19:09,731 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 17:19:09,957 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:10,185 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:10,401 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:10,621 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:10,841 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:11,060 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:11,264 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:11,477 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:19:11,672 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:19:11,862 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:19:12,057 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:19:12,245 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:19:12,455 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:12,664 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:12,877 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:13,090 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:19:13,297 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:19:13,494 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:19:13,716 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:19:13,922 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:19:13,988 INFO L158 LiptonReduction]: Checked pairs total: 24790 [2021-04-28 17:19:13,988 INFO L160 LiptonReduction]: Total number of compositions: 277 [2021-04-28 17:19:13,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49042 [2021-04-28 17:19:14,019 INFO L129 PetriNetUnfolder]: 0/91 cut-off events. [2021-04-28 17:19:14,019 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:19:14,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:14,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:14,021 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:14,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:14,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1256868803, now seen corresponding path program 1 times [2021-04-28 17:19:14,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:14,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123931271] [2021-04-28 17:19:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:19:14,408 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 17:19:14,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123931271] [2021-04-28 17:19:14,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:14,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:19:14,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625855675] [2021-04-28 17:19:14,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:19:14,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:14,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:19:14,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:19:14,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 393 [2021-04-28 17:19:14,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 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 17:19:14,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:14,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 393 [2021-04-28 17:19:14,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:19:14,597 INFO L129 PetriNetUnfolder]: 13/327 cut-off events. [2021-04-28 17:19:14,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:19:14,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 327 events. 13/327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 2538 event pairs, 5 based on Foata normal form. 16/76 useless extension candidates. Maximal degree in co-relation 303. Up to 25 conditions per place. [2021-04-28 17:19:14,603 INFO L132 encePairwiseOnDemand]: 377/393 looper letters, 6 selfloop transitions, 2 changer transitions 62/137 dead transitions. [2021-04-28 17:19:14,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 137 transitions, 322 flow [2021-04-28 17:19:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:19:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:19:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2021-04-28 17:19:14,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8608990670059372 [2021-04-28 17:19:14,627 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2021-04-28 17:19:14,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2021-04-28 17:19:14,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:19:14,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2021-04-28 17:19:14,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 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 17:19:14,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:19:14,656 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:19:14,658 INFO L185 Difference]: Start difference. First operand has 151 places, 139 transitions, 290 flow. Second operand 3 states and 1015 transitions. [2021-04-28 17:19:14,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 137 transitions, 322 flow [2021-04-28 17:19:14,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 137 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 17:19:14,668 INFO L241 Difference]: Finished difference. Result has 146 places, 73 transitions, 158 flow [2021-04-28 17:19:14,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=146, PETRI_TRANSITIONS=73} [2021-04-28 17:19:14,672 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -5 predicate places. [2021-04-28 17:19:14,672 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:19:14,672 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 73 transitions, 158 flow [2021-04-28 17:19:14,672 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 73 transitions, 158 flow [2021-04-28 17:19:14,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 73 transitions, 158 flow [2021-04-28 17:19:14,685 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-04-28 17:19:14,686 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:19:14,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 347 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:19:14,688 INFO L146 LiptonReduction]: Number of co-enabled transitions 2744 [2021-04-28 17:19:15,638 INFO L158 LiptonReduction]: Checked pairs total: 3706 [2021-04-28 17:19:15,638 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:19:15,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 966 [2021-04-28 17:19:15,640 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 158 flow [2021-04-28 17:19:15,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 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 17:19:15,642 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:15,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:15,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:19:15,642 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:15,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:15,643 INFO L82 PathProgramCache]: Analyzing trace with hash 965243995, now seen corresponding path program 1 times [2021-04-28 17:19:15,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:15,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924554619] [2021-04-28 17:19:15,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:15,762 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:19:15,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:19:15,779 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 17:19:15,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924554619] [2021-04-28 17:19:15,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:15,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:19:15,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037943922] [2021-04-28 17:19:15,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:19:15,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:15,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:19:15,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:19:15,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 393 [2021-04-28 17:19:15,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 17:19:15,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:15,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 393 [2021-04-28 17:19:15,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:19:19,020 INFO L129 PetriNetUnfolder]: 8388/19049 cut-off events. [2021-04-28 17:19:19,020 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:19:19,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31042 conditions, 19049 events. 8388/19049 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2582. Compared 231562 event pairs, 2664 based on Foata normal form. 0/11785 useless extension candidates. Maximal degree in co-relation 31033. Up to 7041 conditions per place. [2021-04-28 17:19:19,141 INFO L132 encePairwiseOnDemand]: 367/393 looper letters, 9 selfloop transitions, 9 changer transitions 50/105 dead transitions. [2021-04-28 17:19:19,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 105 transitions, 358 flow [2021-04-28 17:19:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:19:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:19:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions. [2021-04-28 17:19:19,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6624257845631891 [2021-04-28 17:19:19,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 781 transitions. [2021-04-28 17:19:19,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 781 transitions. [2021-04-28 17:19:19,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:19:19,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 781 transitions. [2021-04-28 17:19:19,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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 17:19:19,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:19:19,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:19:19,154 INFO L185 Difference]: Start difference. First operand has 84 places, 73 transitions, 158 flow. Second operand 3 states and 781 transitions. [2021-04-28 17:19:19,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 105 transitions, 358 flow [2021-04-28 17:19:19,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 105 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:19:19,159 INFO L241 Difference]: Finished difference. Result has 86 places, 55 transitions, 172 flow [2021-04-28 17:19:19,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=86, PETRI_TRANSITIONS=55} [2021-04-28 17:19:19,160 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -65 predicate places. [2021-04-28 17:19:19,160 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:19:19,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 55 transitions, 172 flow [2021-04-28 17:19:19,161 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 55 transitions, 172 flow [2021-04-28 17:19:19,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 55 transitions, 172 flow [2021-04-28 17:19:19,329 INFO L129 PetriNetUnfolder]: 394/1183 cut-off events. [2021-04-28 17:19:19,329 INFO L130 PetriNetUnfolder]: For 106/137 co-relation queries the response was YES. [2021-04-28 17:19:19,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 1183 events. 394/1183 cut-off events. For 106/137 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 9884 event pairs, 177 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 2088. Up to 461 conditions per place. [2021-04-28 17:19:19,385 INFO L146 LiptonReduction]: Number of co-enabled transitions 1712 [2021-04-28 17:19:19,636 INFO L158 LiptonReduction]: Checked pairs total: 491 [2021-04-28 17:19:19,636 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:19:19,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-04-28 17:19:19,639 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 172 flow [2021-04-28 17:19:19,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 17:19:19,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:19,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:19,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:19:19,640 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:19,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1487965368, now seen corresponding path program 1 times [2021-04-28 17:19:19,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:19,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278727954] [2021-04-28 17:19:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:19,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:19,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:19:19,703 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 17:19:19,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278727954] [2021-04-28 17:19:19,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:19,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:19:19,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785426720] [2021-04-28 17:19:19,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:19:19,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:19,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:19:19,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:19:19,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 393 [2021-04-28 17:19:19,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 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 17:19:19,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:19,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 393 [2021-04-28 17:19:19,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:19:19,835 INFO L129 PetriNetUnfolder]: 272/839 cut-off events. [2021-04-28 17:19:19,836 INFO L130 PetriNetUnfolder]: For 194/278 co-relation queries the response was YES. [2021-04-28 17:19:19,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1573 conditions, 839 events. 272/839 cut-off events. For 194/278 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6396 event pairs, 86 based on Foata normal form. 25/605 useless extension candidates. Maximal degree in co-relation 1562. Up to 324 conditions per place. [2021-04-28 17:19:19,847 INFO L132 encePairwiseOnDemand]: 390/393 looper letters, 1 selfloop transitions, 3 changer transitions 0/55 dead transitions. [2021-04-28 17:19:19,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 55 transitions, 180 flow [2021-04-28 17:19:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:19:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:19:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-04-28 17:19:19,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6726039016115352 [2021-04-28 17:19:19,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-04-28 17:19:19,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-04-28 17:19:19,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:19:19,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-04-28 17:19:19,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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 17:19:19,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:19:19,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:19:19,859 INFO L185 Difference]: Start difference. First operand has 60 places, 55 transitions, 172 flow. Second operand 3 states and 793 transitions. [2021-04-28 17:19:19,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 55 transitions, 180 flow [2021-04-28 17:19:19,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 55 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:19:19,865 INFO L241 Difference]: Finished difference. Result has 61 places, 55 transitions, 165 flow [2021-04-28 17:19:19,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=61, PETRI_TRANSITIONS=55} [2021-04-28 17:19:19,865 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -90 predicate places. [2021-04-28 17:19:19,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:19:19,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 55 transitions, 165 flow [2021-04-28 17:19:19,866 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 55 transitions, 165 flow [2021-04-28 17:19:19,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 55 transitions, 165 flow [2021-04-28 17:19:19,978 INFO L129 PetriNetUnfolder]: 272/878 cut-off events. [2021-04-28 17:19:19,978 INFO L130 PetriNetUnfolder]: For 48/94 co-relation queries the response was YES. [2021-04-28 17:19:19,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1436 conditions, 878 events. 272/878 cut-off events. For 48/94 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6940 event pairs, 98 based on Foata normal form. 0/603 useless extension candidates. Maximal degree in co-relation 1426. Up to 324 conditions per place. [2021-04-28 17:19:20,003 INFO L146 LiptonReduction]: Number of co-enabled transitions 1710 [2021-04-28 17:19:20,213 INFO L158 LiptonReduction]: Checked pairs total: 491 [2021-04-28 17:19:20,213 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:19:20,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 347 [2021-04-28 17:19:20,216 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 165 flow [2021-04-28 17:19:20,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 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 17:19:20,217 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:20,217 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:20,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:19:20,217 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:20,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:20,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1977467470, now seen corresponding path program 1 times [2021-04-28 17:19:20,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:20,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732876523] [2021-04-28 17:19:20,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:20,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:20,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:19:20,288 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:19:20,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:19:20,303 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 17:19:20,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732876523] [2021-04-28 17:19:20,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:20,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:19:20,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583550288] [2021-04-28 17:19:20,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:19:20,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:20,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:19:20,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:19:20,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 393 [2021-04-28 17:19:20,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 165 flow. Second operand has 4 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 17:19:20,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:20,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 393 [2021-04-28 17:19:20,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:19:20,492 INFO L129 PetriNetUnfolder]: 246/820 cut-off events. [2021-04-28 17:19:20,492 INFO L130 PetriNetUnfolder]: For 91/717 co-relation queries the response was YES. [2021-04-28 17:19:20,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1746 conditions, 820 events. 246/820 cut-off events. For 91/717 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6307 event pairs, 67 based on Foata normal form. 11/570 useless extension candidates. Maximal degree in co-relation 1734. Up to 292 conditions per place. [2021-04-28 17:19:20,504 INFO L132 encePairwiseOnDemand]: 383/393 looper letters, 16 selfloop transitions, 13 changer transitions 0/66 dead transitions. [2021-04-28 17:19:20,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 66 transitions, 270 flow [2021-04-28 17:19:20,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:19:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:19:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 978 transitions. [2021-04-28 17:19:20,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6221374045801527 [2021-04-28 17:19:20,508 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 978 transitions. [2021-04-28 17:19:20,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 978 transitions. [2021-04-28 17:19:20,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:19:20,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 978 transitions. [2021-04-28 17:19:20,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 244.5) internal successors, (978), 4 states have internal predecessors, (978), 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 17:19:20,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 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 17:19:20,519 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 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 17:19:20,519 INFO L185 Difference]: Start difference. First operand has 61 places, 55 transitions, 165 flow. Second operand 4 states and 978 transitions. [2021-04-28 17:19:20,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 66 transitions, 270 flow [2021-04-28 17:19:20,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 66 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:19:20,524 INFO L241 Difference]: Finished difference. Result has 64 places, 61 transitions, 234 flow [2021-04-28 17:19:20,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=234, PETRI_PLACES=64, PETRI_TRANSITIONS=61} [2021-04-28 17:19:20,525 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -87 predicate places. [2021-04-28 17:19:20,525 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:19:20,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 61 transitions, 234 flow [2021-04-28 17:19:20,525 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 61 transitions, 234 flow [2021-04-28 17:19:20,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 234 flow [2021-04-28 17:19:20,630 INFO L129 PetriNetUnfolder]: 246/779 cut-off events. [2021-04-28 17:19:20,631 INFO L130 PetriNetUnfolder]: For 322/439 co-relation queries the response was YES. [2021-04-28 17:19:20,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1653 conditions, 779 events. 246/779 cut-off events. For 322/439 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5979 event pairs, 65 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 1641. Up to 292 conditions per place. [2021-04-28 17:19:20,654 INFO L146 LiptonReduction]: Number of co-enabled transitions 1940 [2021-04-28 17:19:20,792 INFO L158 LiptonReduction]: Checked pairs total: 671 [2021-04-28 17:19:20,792 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:19:20,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-04-28 17:19:20,794 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 61 transitions, 234 flow [2021-04-28 17:19:20,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 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 17:19:20,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:20,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:20,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:19:20,796 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1097499659, now seen corresponding path program 1 times [2021-04-28 17:19:20,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:20,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338736366] [2021-04-28 17:19:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:20,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:20,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:19:20,854 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:19:20,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:19:20,869 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 17:19:20,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338736366] [2021-04-28 17:19:20,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:20,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:19:20,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998464449] [2021-04-28 17:19:20,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:19:20,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:20,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:19:20,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:19:20,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 393 [2021-04-28 17:19:20,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 17:19:20,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:20,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 393 [2021-04-28 17:19:20,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:19:21,025 INFO L129 PetriNetUnfolder]: 214/681 cut-off events. [2021-04-28 17:19:21,025 INFO L130 PetriNetUnfolder]: For 410/1225 co-relation queries the response was YES. [2021-04-28 17:19:21,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1821 conditions, 681 events. 214/681 cut-off events. For 410/1225 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4823 event pairs, 10 based on Foata normal form. 8/485 useless extension candidates. Maximal degree in co-relation 1807. Up to 256 conditions per place. [2021-04-28 17:19:21,037 INFO L132 encePairwiseOnDemand]: 383/393 looper letters, 26 selfloop transitions, 12 changer transitions 0/75 dead transitions. [2021-04-28 17:19:21,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 75 transitions, 397 flow [2021-04-28 17:19:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:19:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:19:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 976 transitions. [2021-04-28 17:19:21,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6208651399491094 [2021-04-28 17:19:21,042 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 976 transitions. [2021-04-28 17:19:21,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 976 transitions. [2021-04-28 17:19:21,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:19:21,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 976 transitions. [2021-04-28 17:19:21,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 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 17:19:21,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 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 17:19:21,051 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 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 17:19:21,052 INFO L185 Difference]: Start difference. First operand has 64 places, 61 transitions, 234 flow. Second operand 4 states and 976 transitions. [2021-04-28 17:19:21,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 75 transitions, 397 flow [2021-04-28 17:19:21,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 75 transitions, 397 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:19:21,057 INFO L241 Difference]: Finished difference. Result has 70 places, 68 transitions, 349 flow [2021-04-28 17:19:21,057 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=349, PETRI_PLACES=70, PETRI_TRANSITIONS=68} [2021-04-28 17:19:21,058 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -81 predicate places. [2021-04-28 17:19:21,058 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:19:21,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 68 transitions, 349 flow [2021-04-28 17:19:21,058 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 68 transitions, 349 flow [2021-04-28 17:19:21,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 68 transitions, 349 flow [2021-04-28 17:19:21,178 INFO L129 PetriNetUnfolder]: 214/722 cut-off events. [2021-04-28 17:19:21,178 INFO L130 PetriNetUnfolder]: For 838/991 co-relation queries the response was YES. [2021-04-28 17:19:21,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 722 events. 214/722 cut-off events. For 838/991 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5400 event pairs, 34 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 1846. Up to 256 conditions per place. [2021-04-28 17:19:21,199 INFO L146 LiptonReduction]: Number of co-enabled transitions 2198 [2021-04-28 17:19:21,400 INFO L158 LiptonReduction]: Checked pairs total: 807 [2021-04-28 17:19:21,400 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:19:21,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 342 [2021-04-28 17:19:21,402 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 68 transitions, 349 flow [2021-04-28 17:19:21,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 17:19:21,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:21,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:21,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:19:21,403 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:21,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:21,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1406080324, now seen corresponding path program 1 times [2021-04-28 17:19:21,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:21,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178907564] [2021-04-28 17:19:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:21,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:21,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:19:21,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:21,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:19:21,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:21,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:19:21,617 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 17:19:21,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178907564] [2021-04-28 17:19:21,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:21,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:19:21,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300225420] [2021-04-28 17:19:21,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:19:21,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:21,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:19:21,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:19:21,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 393 [2021-04-28 17:19:21,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 68 transitions, 349 flow. Second operand has 4 states, 4 states have (on average 298.75) internal successors, (1195), 4 states have internal predecessors, (1195), 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 17:19:21,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:21,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 393 [2021-04-28 17:19:21,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:19:29,725 INFO L129 PetriNetUnfolder]: 50569/77441 cut-off events. [2021-04-28 17:19:29,725 INFO L130 PetriNetUnfolder]: For 6931/7248 co-relation queries the response was YES. [2021-04-28 17:19:30,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158420 conditions, 77441 events. 50569/77441 cut-off events. For 6931/7248 co-relation queries the response was YES. Maximal size of possible extension queue 10623. Compared 744579 event pairs, 25284 based on Foata normal form. 1720/23387 useless extension candidates. Maximal degree in co-relation 158401. Up to 49690 conditions per place. [2021-04-28 17:19:30,541 INFO L132 encePairwiseOnDemand]: 373/393 looper letters, 33 selfloop transitions, 32 changer transitions 0/111 dead transitions. [2021-04-28 17:19:30,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 111 transitions, 565 flow [2021-04-28 17:19:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:19:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:19:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1556 transitions. [2021-04-28 17:19:30,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7918575063613231 [2021-04-28 17:19:30,547 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1556 transitions. [2021-04-28 17:19:30,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1556 transitions. [2021-04-28 17:19:30,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:19:30,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1556 transitions. [2021-04-28 17:19:30,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 311.2) internal successors, (1556), 5 states have internal predecessors, (1556), 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 17:19:30,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 393.0) internal successors, (2358), 6 states have internal predecessors, (2358), 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 17:19:30,560 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 393.0) internal successors, (2358), 6 states have internal predecessors, (2358), 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 17:19:30,561 INFO L185 Difference]: Start difference. First operand has 70 places, 68 transitions, 349 flow. Second operand 5 states and 1556 transitions. [2021-04-28 17:19:30,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 111 transitions, 565 flow [2021-04-28 17:19:30,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 111 transitions, 561 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:19:30,596 INFO L241 Difference]: Finished difference. Result has 76 places, 98 transitions, 583 flow [2021-04-28 17:19:30,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=583, PETRI_PLACES=76, PETRI_TRANSITIONS=98} [2021-04-28 17:19:30,596 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -75 predicate places. [2021-04-28 17:19:30,596 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:19:30,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 98 transitions, 583 flow [2021-04-28 17:19:30,597 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 98 transitions, 583 flow [2021-04-28 17:19:30,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 98 transitions, 583 flow [2021-04-28 17:19:37,071 INFO L129 PetriNetUnfolder]: 43185/67118 cut-off events. [2021-04-28 17:19:37,071 INFO L130 PetriNetUnfolder]: For 20351/688649 co-relation queries the response was YES. [2021-04-28 17:19:37,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193304 conditions, 67118 events. 43185/67118 cut-off events. For 20351/688649 co-relation queries the response was YES. Maximal size of possible extension queue 11647. Compared 662264 event pairs, 22836 based on Foata normal form. 56/19085 useless extension candidates. Maximal degree in co-relation 193283. Up to 62068 conditions per place. [2021-04-28 17:19:38,137 INFO L146 LiptonReduction]: Number of co-enabled transitions 3448 [2021-04-28 17:19:58,608 INFO L158 LiptonReduction]: Checked pairs total: 1212 [2021-04-28 17:19:58,608 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:19:58,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28012 [2021-04-28 17:19:58,615 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 98 transitions, 583 flow [2021-04-28 17:19:58,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 298.75) internal successors, (1195), 4 states have internal predecessors, (1195), 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 17:19:58,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:19:58,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:19:58,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:19:58,617 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:19:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:19:58,617 INFO L82 PathProgramCache]: Analyzing trace with hash 199364424, now seen corresponding path program 1 times [2021-04-28 17:19:58,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:19:58,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599462704] [2021-04-28 17:19:58,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:19:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:19:58,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:19:58,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:19:58,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:19:58,746 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 17:19:58,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599462704] [2021-04-28 17:19:58,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:19:58,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:19:58,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637779045] [2021-04-28 17:19:58,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:19:58,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:19:58,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:19:58,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:19:58,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 393 [2021-04-28 17:19:58,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 98 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 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 17:19:58,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:19:58,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 393 [2021-04-28 17:19:58,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:20:09,319 INFO L129 PetriNetUnfolder]: 71908/109301 cut-off events. [2021-04-28 17:20:09,319 INFO L130 PetriNetUnfolder]: For 35580/695867 co-relation queries the response was YES. [2021-04-28 17:20:09,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313989 conditions, 109301 events. 71908/109301 cut-off events. For 35580/695867 co-relation queries the response was YES. Maximal size of possible extension queue 16200. Compared 1091751 event pairs, 39804 based on Foata normal form. 671/32017 useless extension candidates. Maximal degree in co-relation 313966. Up to 102721 conditions per place. [2021-04-28 17:20:10,484 INFO L132 encePairwiseOnDemand]: 390/393 looper letters, 4 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2021-04-28 17:20:10,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 98 transitions, 609 flow [2021-04-28 17:20:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:20:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:20:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2021-04-28 17:20:10,487 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7099236641221374 [2021-04-28 17:20:10,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 837 transitions. [2021-04-28 17:20:10,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 837 transitions. [2021-04-28 17:20:10,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:20:10,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 837 transitions. [2021-04-28 17:20:10,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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 17:20:10,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:20:10,495 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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 17:20:10,495 INFO L185 Difference]: Start difference. First operand has 76 places, 98 transitions, 583 flow. Second operand 3 states and 837 transitions. [2021-04-28 17:20:10,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 98 transitions, 609 flow [2021-04-28 17:20:10,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 98 transitions, 609 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:20:10,916 INFO L241 Difference]: Finished difference. Result has 79 places, 98 transitions, 612 flow [2021-04-28 17:20:10,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=79, PETRI_TRANSITIONS=98} [2021-04-28 17:20:10,916 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -72 predicate places. [2021-04-28 17:20:10,916 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:20:10,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 98 transitions, 612 flow [2021-04-28 17:20:10,917 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 98 transitions, 612 flow [2021-04-28 17:20:10,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 98 transitions, 612 flow [2021-04-28 17:20:21,657 INFO L129 PetriNetUnfolder]: 73680/111866 cut-off events. [2021-04-28 17:20:21,657 INFO L130 PetriNetUnfolder]: For 31535/1347296 co-relation queries the response was YES. [2021-04-28 17:20:22,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 322435 conditions, 111866 events. 73680/111866 cut-off events. For 31535/1347296 co-relation queries the response was YES. Maximal size of possible extension queue 20008. Compared 1135462 event pairs, 40365 based on Foata normal form. 61/30924 useless extension candidates. Maximal degree in co-relation 322412. Up to 105520 conditions per place. [2021-04-28 17:20:23,337 INFO L146 LiptonReduction]: Number of co-enabled transitions 3446 [2021-04-28 17:20:34,336 INFO L158 LiptonReduction]: Checked pairs total: 1212 [2021-04-28 17:20:34,337 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:20:34,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23421 [2021-04-28 17:20:34,338 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 98 transitions, 612 flow [2021-04-28 17:20:34,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 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 17:20:34,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:20:34,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:20:34,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:20:34,339 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:20:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:20:34,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1786247375, now seen corresponding path program 1 times [2021-04-28 17:20:34,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:20:34,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117451865] [2021-04-28 17:20:34,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:20:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:20:34,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:20:34,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:20:34,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:20:34,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:20:34,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:20:34,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:20:34,415 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 17:20:34,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117451865] [2021-04-28 17:20:34,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:20:34,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:20:34,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203894584] [2021-04-28 17:20:34,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:20:34,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:20:34,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:20:34,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:20:34,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 393 [2021-04-28 17:20:34,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 98 transitions, 612 flow. Second operand has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 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 17:20:34,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:20:34,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 393 [2021-04-28 17:20:34,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:20:56,703 INFO L129 PetriNetUnfolder]: 144606/213520 cut-off events. [2021-04-28 17:20:56,703 INFO L130 PetriNetUnfolder]: For 67016/1336342 co-relation queries the response was YES. [2021-04-28 17:20:58,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 613306 conditions, 213520 events. 144606/213520 cut-off events. For 67016/1336342 co-relation queries the response was YES. Maximal size of possible extension queue 31347. Compared 2177561 event pairs, 82952 based on Foata normal form. 962/61159 useless extension candidates. Maximal degree in co-relation 613281. Up to 203614 conditions per place. [2021-04-28 17:20:58,546 INFO L132 encePairwiseOnDemand]: 389/393 looper letters, 9 selfloop transitions, 9 changer transitions 0/104 dead transitions. [2021-04-28 17:20:58,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 104 transitions, 699 flow [2021-04-28 17:20:58,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:20:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:20:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1021 transitions. [2021-04-28 17:20:58,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6494910941475827 [2021-04-28 17:20:58,550 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1021 transitions. [2021-04-28 17:20:58,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1021 transitions. [2021-04-28 17:20:58,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:20:58,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1021 transitions. [2021-04-28 17:20:58,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 255.25) internal successors, (1021), 4 states have internal predecessors, (1021), 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 17:20:58,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 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 17:20:58,559 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 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 17:20:58,559 INFO L185 Difference]: Start difference. First operand has 79 places, 98 transitions, 612 flow. Second operand 4 states and 1021 transitions. [2021-04-28 17:20:58,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 104 transitions, 699 flow [2021-04-28 17:20:59,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 104 transitions, 688 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 17:20:59,217 INFO L241 Difference]: Finished difference. Result has 83 places, 104 transitions, 698 flow [2021-04-28 17:20:59,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=698, PETRI_PLACES=83, PETRI_TRANSITIONS=104} [2021-04-28 17:20:59,218 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -68 predicate places. [2021-04-28 17:20:59,218 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:20:59,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 104 transitions, 698 flow [2021-04-28 17:20:59,219 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 104 transitions, 698 flow [2021-04-28 17:20:59,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 104 transitions, 698 flow [2021-04-28 17:21:22,020 INFO L129 PetriNetUnfolder]: 140292/206425 cut-off events. [2021-04-28 17:21:22,020 INFO L130 PetriNetUnfolder]: For 55925/2355733 co-relation queries the response was YES. [2021-04-28 17:21:23,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596072 conditions, 206425 events. 140292/206425 cut-off events. For 55925/2355733 co-relation queries the response was YES. Maximal size of possible extension queue 36045. Compared 2131683 event pairs, 80486 based on Foata normal form. 168/57509 useless extension candidates. Maximal degree in co-relation 596047. Up to 197548 conditions per place. [2021-04-28 17:21:25,335 INFO L146 LiptonReduction]: Number of co-enabled transitions 3910 [2021-04-28 17:21:32,576 INFO L158 LiptonReduction]: Checked pairs total: 1266 [2021-04-28 17:21:32,577 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:21:32,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33359 [2021-04-28 17:21:32,578 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 104 transitions, 698 flow [2021-04-28 17:21:32,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 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 17:21:32,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:21:32,579 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:21:32,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:21:32,579 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:21:32,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:21:32,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1734591919, now seen corresponding path program 2 times [2021-04-28 17:21:32,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:21:32,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941653185] [2021-04-28 17:21:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:21:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:21:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:21:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:21:32,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:21:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:21:32,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:21:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:21:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:21:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:21:32,661 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 17:21:32,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941653185] [2021-04-28 17:21:32,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:21:32,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:21:32,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249951282] [2021-04-28 17:21:32,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:21:32,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:21:32,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:21:32,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:21:32,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 393 [2021-04-28 17:21:32,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 104 transitions, 698 flow. Second operand has 5 states, 5 states have (on average 298.8) internal successors, (1494), 5 states have internal predecessors, (1494), 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 17:21:32,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:21:32,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 393 [2021-04-28 17:21:32,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:22:12,062 INFO L129 PetriNetUnfolder]: 186891/286435 cut-off events. [2021-04-28 17:22:12,063 INFO L130 PetriNetUnfolder]: For 114339/5884200 co-relation queries the response was YES. [2021-04-28 17:22:13,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1102667 conditions, 286435 events. 186891/286435 cut-off events. For 114339/5884200 co-relation queries the response was YES. Maximal size of possible extension queue 44568. Compared 3112912 event pairs, 36605 based on Foata normal form. 6151/94608 useless extension candidates. Maximal degree in co-relation 1102640. Up to 267712 conditions per place. [2021-04-28 17:22:14,820 INFO L132 encePairwiseOnDemand]: 373/393 looper letters, 34 selfloop transitions, 62 changer transitions 0/148 dead transitions. [2021-04-28 17:22:14,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 148 transitions, 1135 flow [2021-04-28 17:22:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:22:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:22:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2182 transitions. [2021-04-28 17:22:14,828 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7931661214103962 [2021-04-28 17:22:14,828 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2182 transitions. [2021-04-28 17:22:14,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2182 transitions. [2021-04-28 17:22:14,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:22:14,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2182 transitions. [2021-04-28 17:22:14,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 311.7142857142857) internal successors, (2182), 7 states have internal predecessors, (2182), 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 17:22:14,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 393.0) internal successors, (3144), 8 states have internal predecessors, (3144), 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 17:22:14,876 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 393.0) internal successors, (3144), 8 states have internal predecessors, (3144), 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 17:22:14,876 INFO L185 Difference]: Start difference. First operand has 83 places, 104 transitions, 698 flow. Second operand 7 states and 2182 transitions. [2021-04-28 17:22:14,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 148 transitions, 1135 flow [2021-04-28 17:22:16,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 148 transitions, 1129 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:22:16,629 INFO L241 Difference]: Finished difference. Result has 91 places, 134 transitions, 1122 flow [2021-04-28 17:22:16,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1122, PETRI_PLACES=91, PETRI_TRANSITIONS=134} [2021-04-28 17:22:16,630 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -60 predicate places. [2021-04-28 17:22:16,630 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:22:16,630 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 134 transitions, 1122 flow [2021-04-28 17:22:16,631 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 134 transitions, 1122 flow [2021-04-28 17:22:16,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 134 transitions, 1122 flow [2021-04-28 17:22:53,118 INFO L129 PetriNetUnfolder]: 162870/251785 cut-off events. [2021-04-28 17:22:53,119 INFO L130 PetriNetUnfolder]: For 374585/16074895 co-relation queries the response was YES. [2021-04-28 17:22:54,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1198824 conditions, 251785 events. 162870/251785 cut-off events. For 374585/16074895 co-relation queries the response was YES. Maximal size of possible extension queue 46233. Compared 2846764 event pairs, 35712 based on Foata normal form. 166/71166 useless extension candidates. Maximal degree in co-relation 1198795. Up to 242062 conditions per place. [2021-04-28 17:22:57,398 INFO L146 LiptonReduction]: Number of co-enabled transitions 5474 [2021-04-28 17:22:57,772 INFO L158 LiptonReduction]: Checked pairs total: 2244 [2021-04-28 17:22:57,772 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:22:57,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41142 [2021-04-28 17:22:57,773 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 134 transitions, 1122 flow [2021-04-28 17:22:57,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 298.8) internal successors, (1494), 5 states have internal predecessors, (1494), 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 17:22:57,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:22:57,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:22:57,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:22:57,774 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:22:57,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:22:57,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1152510364, now seen corresponding path program 1 times [2021-04-28 17:22:57,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:22:57,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810559678] [2021-04-28 17:22:57,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:22:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:22:57,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:22:57,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:22:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:22:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:22:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:22:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:22:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:22:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:22:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:22:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:22:57,960 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 17:22:57,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810559678] [2021-04-28 17:22:57,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:22:57,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:22:57,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38202956] [2021-04-28 17:22:57,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:22:57,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:22:57,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:22:57,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:22:57,964 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 393 [2021-04-28 17:22:57,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 134 transitions, 1122 flow. Second operand has 6 states, 6 states have (on average 298.8333333333333) internal successors, (1793), 6 states have internal predecessors, (1793), 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 17:22:57,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:22:57,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 393 [2021-04-28 17:22:57,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:23:42,470 INFO L129 PetriNetUnfolder]: 174543/284284 cut-off events. [2021-04-28 17:23:42,471 INFO L130 PetriNetUnfolder]: For 368934/17984331 co-relation queries the response was YES. [2021-04-28 17:23:44,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1617696 conditions, 284284 events. 174543/284284 cut-off events. For 368934/17984331 co-relation queries the response was YES. Maximal size of possible extension queue 44853. Compared 3345309 event pairs, 5852 based on Foata normal form. 6598/93966 useless extension candidates. Maximal degree in co-relation 1617665. Up to 267730 conditions per place. [2021-04-28 17:23:44,961 INFO L132 encePairwiseOnDemand]: 373/393 looper letters, 23 selfloop transitions, 92 changer transitions 12/179 dead transitions. [2021-04-28 17:23:44,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 179 transitions, 1780 flow [2021-04-28 17:23:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:23:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:23:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2808 transitions. [2021-04-28 17:23:44,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938931297709924 [2021-04-28 17:23:44,970 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2808 transitions. [2021-04-28 17:23:44,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2808 transitions. [2021-04-28 17:23:44,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:23:44,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2808 transitions. [2021-04-28 17:23:44,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 312.0) internal successors, (2808), 9 states have internal predecessors, (2808), 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 17:23:44,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 393.0) internal successors, (3930), 10 states have internal predecessors, (3930), 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 17:23:44,989 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 393.0) internal successors, (3930), 10 states have internal predecessors, (3930), 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 17:23:44,989 INFO L185 Difference]: Start difference. First operand has 91 places, 134 transitions, 1122 flow. Second operand 9 states and 2808 transitions. [2021-04-28 17:23:44,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 179 transitions, 1780 flow [2021-04-28 17:25:44,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 179 transitions, 1621 flow, removed 53 selfloop flow, removed 3 redundant places. [2021-04-28 17:25:44,340 INFO L241 Difference]: Finished difference. Result has 99 places, 164 transitions, 1538 flow [2021-04-28 17:25:44,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=964, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1538, PETRI_PLACES=99, PETRI_TRANSITIONS=164} [2021-04-28 17:25:44,341 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -52 predicate places. [2021-04-28 17:25:44,341 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:25:44,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 164 transitions, 1538 flow [2021-04-28 17:25:44,341 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 164 transitions, 1538 flow [2021-04-28 17:25:44,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 164 transitions, 1538 flow