/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/mix010_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:33:22,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:33:22,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:33:22,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:33:22,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:33:22,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:33:22,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:33:22,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:33:22,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:33:22,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:33:22,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:33:22,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:33:22,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:33:22,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:33:22,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:33:22,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:33:22,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:33:22,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:33:22,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:33:22,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:33:22,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:33:22,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:33:22,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:33:22,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:33:22,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 17:33:22,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:33:22,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:33:22,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:33:22,697 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 17:33:22,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:33:22,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:33:22,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:33:22,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:33:22,763 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:33:22,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:33:22,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:33:22,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:33:22,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:33:22,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:33:22,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:33:22,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:33:22,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:33:22,765 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:33:22,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:33:22,765 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:33:22,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:33:22,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:33:22,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:33:22,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:33:22,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:33:22,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:33:22,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:33:22,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:33:22,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:33:22,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:33:22,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:33:22,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:33:22,768 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:33:22,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:33:22,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:33:23,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:33:23,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:33:23,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:33:23,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:33:23,161 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:33:23,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix010_pso.opt.i [2021-04-28 17:33:23,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf8bcba5/004a470f51ce4bed95a6714e76ecc2cf/FLAG6f2a3020f [2021-04-28 17:33:24,101 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:33:24,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010_pso.opt.i [2021-04-28 17:33:24,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf8bcba5/004a470f51ce4bed95a6714e76ecc2cf/FLAG6f2a3020f [2021-04-28 17:33:24,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf8bcba5/004a470f51ce4bed95a6714e76ecc2cf [2021-04-28 17:33:24,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:33:24,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:33:24,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:33:24,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:33:24,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:33:24,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:33:24" (1/1) ... [2021-04-28 17:33:24,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d7b3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:24, skipping insertion in model container [2021-04-28 17:33:24,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:33:24" (1/1) ... [2021-04-28 17:33:24,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:33:24,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:33:24,618 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/mix010_pso.opt.i[948,961] [2021-04-28 17:33:24,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:33:24,934 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:33:24,948 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/mix010_pso.opt.i[948,961] [2021-04-28 17:33:25,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:33:25,170 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:33:25,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25 WrapperNode [2021-04-28 17:33:25,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:33:25,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:33:25,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:33:25,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:33:25,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:33:25,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:33:25,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:33:25,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:33:25,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (1/1) ... [2021-04-28 17:33:25,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:33:25,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:33:25,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:33:25,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:33:25,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (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 17:33:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:33:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:33:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:33:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:33:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:33:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:33:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:33:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:33:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:33:25,495 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:33:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:33:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:33:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:33:25,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:33:25,498 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 17:33:28,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:33:28,138 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:33:28,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:33:28 BoogieIcfgContainer [2021-04-28 17:33:28,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:33:28,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:33:28,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:33:28,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:33:28,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:33:24" (1/3) ... [2021-04-28 17:33:28,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18870f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:33:28, skipping insertion in model container [2021-04-28 17:33:28,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:33:25" (2/3) ... [2021-04-28 17:33:28,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18870f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:33:28, skipping insertion in model container [2021-04-28 17:33:28,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:33:28" (3/3) ... [2021-04-28 17:33:28,150 INFO L111 eAbstractionObserver]: Analyzing ICFG mix010_pso.opt.i [2021-04-28 17:33:28,158 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:33:28,164 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:33:28,165 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:33:28,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,212 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,212 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,212 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,214 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,214 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,234 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,234 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,236 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,236 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,237 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,260 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,260 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,262 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,271 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,274 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:33:28,276 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:33:28,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 17:33:28,322 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:33:28,323 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:33:28,323 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:33:28,323 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:33:28,323 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:33:28,323 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:33:28,323 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:33:28,324 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:33:28,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 103 transitions, 221 flow [2021-04-28 17:33:28,388 INFO L129 PetriNetUnfolder]: 2/100 cut-off events. [2021-04-28 17:33:28,388 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:28,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 2/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 17:33:28,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 103 transitions, 221 flow [2021-04-28 17:33:28,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 100 transitions, 209 flow [2021-04-28 17:33:28,402 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:28,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 100 transitions, 209 flow [2021-04-28 17:33:28,435 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 100 transitions, 209 flow [2021-04-28 17:33:28,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 209 flow [2021-04-28 17:33:28,498 INFO L129 PetriNetUnfolder]: 2/100 cut-off events. [2021-04-28 17:33:28,499 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:28,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 2/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 17:33:28,507 INFO L146 LiptonReduction]: Number of co-enabled transitions 1750 [2021-04-28 17:33:31,918 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:33:32,022 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:33:32,581 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 17:33:32,852 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:33:46,651 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:33:47,606 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:33:47,803 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:48,012 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:48,123 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:33:49,444 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:33:49,646 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:33:52,341 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:33:52,448 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:33:52,787 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:33:52,897 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:33:53,014 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:33:53,130 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:33:53,244 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 17:33:54,673 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:54,784 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:54,896 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:55,007 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:55,127 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,251 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,365 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,484 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,607 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,729 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,851 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:55,970 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:56,120 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:56,270 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:56,424 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:56,611 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:56,751 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:33:56,890 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:33:57,025 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:33:57,160 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:33:57,318 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:57,471 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:57,630 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:57,786 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:57,951 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:58,110 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:58,279 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:58,445 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:58,630 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:58,815 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:59,000 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:59,183 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:59,307 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:59,430 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:59,556 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:59,680 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:59,797 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:33:59,912 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:34:00,068 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:34:00,181 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:34:00,318 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:00,455 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:00,592 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:00,729 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:00,864 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:34:00,993 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:34:01,130 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:34:01,266 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:34:01,419 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:34:01,575 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:34:01,733 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:34:01,894 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:34:02,017 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:02,135 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:02,254 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:02,373 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:02,549 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:34:02,721 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:34:02,897 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:34:03,067 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:34:03,250 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:34:03,475 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:34:03,652 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:34:03,834 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:34:03,975 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:34:04,118 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:34:04,263 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:34:04,405 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:34:04,543 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:04,693 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:04,832 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:04,969 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:34:05,177 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:05,386 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:05,598 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:05,809 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:06,027 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:06,238 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:06,451 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:06,665 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:06,817 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:06,947 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:07,082 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:07,212 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:34:07,428 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:34:07,648 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:34:07,857 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:34:08,066 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:34:08,591 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 17:34:08,841 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 17:34:09,373 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 17:34:09,616 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 17:34:09,822 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:34:10,027 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:34:10,233 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:34:10,433 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:34:10,995 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 17:34:11,247 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 17:34:11,796 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 17:34:12,058 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 17:34:12,282 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:12,497 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:12,708 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:12,925 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:34:13,128 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:34:13,336 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:34:13,546 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:34:13,756 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:34:13,813 INFO L158 LiptonReduction]: Checked pairs total: 17269 [2021-04-28 17:34:13,814 INFO L160 LiptonReduction]: Total number of compositions: 264 [2021-04-28 17:34:13,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45419 [2021-04-28 17:34:13,845 INFO L129 PetriNetUnfolder]: 1/84 cut-off events. [2021-04-28 17:34:13,845 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:34:13,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:13,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:13,847 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:13,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:13,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1910607455, now seen corresponding path program 1 times [2021-04-28 17:34:13,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:13,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356434495] [2021-04-28 17:34:13,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:14,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:14,139 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 17:34:14,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356434495] [2021-04-28 17:34:14,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:14,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:34:14,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212015242] [2021-04-28 17:34:14,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:34:14,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:14,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:34:14,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:34:14,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 367 [2021-04-28 17:34:14,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:34:14,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:14,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 367 [2021-04-28 17:34:14,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:14,304 INFO L129 PetriNetUnfolder]: 13/304 cut-off events. [2021-04-28 17:34:14,304 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:34:14,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 304 events. 13/304 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 2349 event pairs, 5 based on Foata normal form. 16/70 useless extension candidates. Maximal degree in co-relation 278. Up to 25 conditions per place. [2021-04-28 17:34:14,309 INFO L132 encePairwiseOnDemand]: 353/367 looper letters, 6 selfloop transitions, 2 changer transitions 60/126 dead transitions. [2021-04-28 17:34:14,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 126 transitions, 293 flow [2021-04-28 17:34:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:34:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:34:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 947 transitions. [2021-04-28 17:34:14,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.860127157129882 [2021-04-28 17:34:14,331 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 947 transitions. [2021-04-28 17:34:14,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 947 transitions. [2021-04-28 17:34:14,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:14,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 947 transitions. [2021-04-28 17:34:14,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:34:14,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:14,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:14,362 INFO L185 Difference]: Start difference. First operand has 137 places, 128 transitions, 265 flow. Second operand 3 states and 947 transitions. [2021-04-28 17:34:14,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 126 transitions, 293 flow [2021-04-28 17:34:14,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 126 transitions, 290 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 17:34:14,370 INFO L241 Difference]: Finished difference. Result has 133 places, 64 transitions, 138 flow [2021-04-28 17:34:14,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=133, PETRI_TRANSITIONS=64} [2021-04-28 17:34:14,373 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -4 predicate places. [2021-04-28 17:34:14,374 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:14,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 64 transitions, 138 flow [2021-04-28 17:34:14,374 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 64 transitions, 138 flow [2021-04-28 17:34:14,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 64 transitions, 138 flow [2021-04-28 17:34:14,384 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 17:34:14,385 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:34:14,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 64 events. 0/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 305 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:34:14,387 INFO L146 LiptonReduction]: Number of co-enabled transitions 1984 [2021-04-28 17:34:15,334 INFO L158 LiptonReduction]: Checked pairs total: 2612 [2021-04-28 17:34:15,335 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:15,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 961 [2021-04-28 17:34:15,337 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 64 transitions, 138 flow [2021-04-28 17:34:15,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:34:15,338 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:15,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:15,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:34:15,339 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:15,340 INFO L82 PathProgramCache]: Analyzing trace with hash -2142617555, now seen corresponding path program 1 times [2021-04-28 17:34:15,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:15,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780554345] [2021-04-28 17:34:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:15,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:15,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:15,549 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 17:34:15,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780554345] [2021-04-28 17:34:15,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:15,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:34:15,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191100577] [2021-04-28 17:34:15,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:34:15,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:15,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:34:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:34:15,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 367 [2021-04-28 17:34:15,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 64 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 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 17:34:15,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:15,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 367 [2021-04-28 17:34:15,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:16,157 INFO L129 PetriNetUnfolder]: 975/2526 cut-off events. [2021-04-28 17:34:16,157 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:34:16,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4164 conditions, 2526 events. 975/2526 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 25089 event pairs, 308 based on Foata normal form. 0/1575 useless extension candidates. Maximal degree in co-relation 4155. Up to 1418 conditions per place. [2021-04-28 17:34:16,170 INFO L132 encePairwiseOnDemand]: 347/367 looper letters, 6 selfloop transitions, 4 changer transitions 48/91 dead transitions. [2021-04-28 17:34:16,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 91 transitions, 308 flow [2021-04-28 17:34:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:34:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:34:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions. [2021-04-28 17:34:16,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.706630336058129 [2021-04-28 17:34:16,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions. [2021-04-28 17:34:16,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions. [2021-04-28 17:34:16,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:16,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions. [2021-04-28 17:34:16,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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 17:34:16,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:16,183 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:16,183 INFO L185 Difference]: Start difference. First operand has 73 places, 64 transitions, 138 flow. Second operand 3 states and 778 transitions. [2021-04-28 17:34:16,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 91 transitions, 308 flow [2021-04-28 17:34:16,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 91 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:34:16,186 INFO L241 Difference]: Finished difference. Result has 74 places, 43 transitions, 116 flow [2021-04-28 17:34:16,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=74, PETRI_TRANSITIONS=43} [2021-04-28 17:34:16,187 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -63 predicate places. [2021-04-28 17:34:16,187 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:16,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 43 transitions, 116 flow [2021-04-28 17:34:16,188 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 43 transitions, 116 flow [2021-04-28 17:34:16,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 43 transitions, 116 flow [2021-04-28 17:34:16,216 INFO L129 PetriNetUnfolder]: 46/164 cut-off events. [2021-04-28 17:34:16,216 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:34:16,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 164 events. 46/164 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 769 event pairs, 26 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 249. Up to 81 conditions per place. [2021-04-28 17:34:16,220 INFO L146 LiptonReduction]: Number of co-enabled transitions 1004 [2021-04-28 17:34:16,255 INFO L158 LiptonReduction]: Checked pairs total: 415 [2021-04-28 17:34:16,255 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:16,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-04-28 17:34:16,257 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 116 flow [2021-04-28 17:34:16,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 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 17:34:16,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:16,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:16,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:34:16,259 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:16,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:16,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1766207380, now seen corresponding path program 1 times [2021-04-28 17:34:16,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:16,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241197493] [2021-04-28 17:34:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:16,324 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:16,338 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 17:34:16,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241197493] [2021-04-28 17:34:16,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:16,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:34:16,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977945207] [2021-04-28 17:34:16,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:34:16,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:16,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:34:16,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:34:16,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 367 [2021-04-28 17:34:16,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 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 17:34:16,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:16,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 367 [2021-04-28 17:34:16,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:16,403 INFO L129 PetriNetUnfolder]: 36/150 cut-off events. [2021-04-28 17:34:16,403 INFO L130 PetriNetUnfolder]: For 12/51 co-relation queries the response was YES. [2021-04-28 17:34:16,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 150 events. 36/150 cut-off events. For 12/51 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 740 event pairs, 18 based on Foata normal form. 5/105 useless extension candidates. Maximal degree in co-relation 285. Up to 66 conditions per place. [2021-04-28 17:34:16,405 INFO L132 encePairwiseOnDemand]: 364/367 looper letters, 10 selfloop transitions, 3 changer transitions 0/46 dead transitions. [2021-04-28 17:34:16,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 46 transitions, 154 flow [2021-04-28 17:34:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:34:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:34:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2021-04-28 17:34:16,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-28 17:34:16,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2021-04-28 17:34:16,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2021-04-28 17:34:16,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:16,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2021-04-28 17:34:16,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 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 17:34:16,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:16,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:16,416 INFO L185 Difference]: Start difference. First operand has 50 places, 43 transitions, 116 flow. Second operand 3 states and 734 transitions. [2021-04-28 17:34:16,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 46 transitions, 154 flow [2021-04-28 17:34:16,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:34:16,419 INFO L241 Difference]: Finished difference. Result has 52 places, 43 transitions, 123 flow [2021-04-28 17:34:16,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=52, PETRI_TRANSITIONS=43} [2021-04-28 17:34:16,419 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -85 predicate places. [2021-04-28 17:34:16,420 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:16,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 43 transitions, 123 flow [2021-04-28 17:34:16,420 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 43 transitions, 123 flow [2021-04-28 17:34:16,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 43 transitions, 123 flow [2021-04-28 17:34:16,448 INFO L129 PetriNetUnfolder]: 36/165 cut-off events. [2021-04-28 17:34:16,448 INFO L130 PetriNetUnfolder]: For 16/17 co-relation queries the response was YES. [2021-04-28 17:34:16,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 165 events. 36/165 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 863 event pairs, 26 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 256. Up to 66 conditions per place. [2021-04-28 17:34:16,452 INFO L146 LiptonReduction]: Number of co-enabled transitions 998 [2021-04-28 17:34:16,576 INFO L158 LiptonReduction]: Checked pairs total: 413 [2021-04-28 17:34:16,576 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:16,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-04-28 17:34:16,578 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 43 transitions, 123 flow [2021-04-28 17:34:16,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 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 17:34:16,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:16,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:16,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:34:16,580 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:16,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:16,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1766197553, now seen corresponding path program 1 times [2021-04-28 17:34:16,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:16,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774859308] [2021-04-28 17:34:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:16,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:16,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:16,637 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:16,650 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 17:34:16,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774859308] [2021-04-28 17:34:16,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:16,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:34:16,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269422960] [2021-04-28 17:34:16,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:34:16,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:16,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:34:16,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:34:16,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 367 [2021-04-28 17:34:16,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 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 17:34:16,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:16,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 367 [2021-04-28 17:34:16,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:16,705 INFO L129 PetriNetUnfolder]: 28/110 cut-off events. [2021-04-28 17:34:16,705 INFO L130 PetriNetUnfolder]: For 35/70 co-relation queries the response was YES. [2021-04-28 17:34:16,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 110 events. 28/110 cut-off events. For 35/70 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 464 event pairs, 4 based on Foata normal form. 3/80 useless extension candidates. Maximal degree in co-relation 238. Up to 54 conditions per place. [2021-04-28 17:34:16,707 INFO L132 encePairwiseOnDemand]: 364/367 looper letters, 10 selfloop transitions, 3 changer transitions 0/46 dead transitions. [2021-04-28 17:34:16,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 164 flow [2021-04-28 17:34:16,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:34:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:34:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2021-04-28 17:34:16,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-28 17:34:16,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2021-04-28 17:34:16,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2021-04-28 17:34:16,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:16,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2021-04-28 17:34:16,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 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 17:34:16,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:16,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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 17:34:16,719 INFO L185 Difference]: Start difference. First operand has 52 places, 43 transitions, 123 flow. Second operand 3 states and 734 transitions. [2021-04-28 17:34:16,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 164 flow [2021-04-28 17:34:16,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 46 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:34:16,722 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 128 flow [2021-04-28 17:34:16,723 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-04-28 17:34:16,723 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -84 predicate places. [2021-04-28 17:34:16,723 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:16,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 128 flow [2021-04-28 17:34:16,723 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 128 flow [2021-04-28 17:34:16,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 128 flow [2021-04-28 17:34:16,747 INFO L129 PetriNetUnfolder]: 28/144 cut-off events. [2021-04-28 17:34:16,747 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-04-28 17:34:16,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 144 events. 28/144 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 699 event pairs, 22 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 233. Up to 54 conditions per place. [2021-04-28 17:34:16,750 INFO L146 LiptonReduction]: Number of co-enabled transitions 994 [2021-04-28 17:34:16,895 INFO L158 LiptonReduction]: Checked pairs total: 411 [2021-04-28 17:34:16,895 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:16,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-04-28 17:34:16,897 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 128 flow [2021-04-28 17:34:16,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 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 17:34:16,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:16,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:16,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:34:16,898 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:16,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:16,899 INFO L82 PathProgramCache]: Analyzing trace with hash 622780220, now seen corresponding path program 1 times [2021-04-28 17:34:16,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:16,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391198875] [2021-04-28 17:34:16,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:17,084 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:34:17,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:34:17,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:17,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:17,096 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 17:34:17,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391198875] [2021-04-28 17:34:17,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:17,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:34:17,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941613890] [2021-04-28 17:34:17,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:34:17,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:17,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:34:17,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:34:17,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 367 [2021-04-28 17:34:17,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 128 flow. Second operand has 4 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 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 17:34:17,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:17,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 367 [2021-04-28 17:34:17,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:17,833 INFO L129 PetriNetUnfolder]: 3097/5365 cut-off events. [2021-04-28 17:34:17,833 INFO L130 PetriNetUnfolder]: For 336/339 co-relation queries the response was YES. [2021-04-28 17:34:17,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10962 conditions, 5365 events. 3097/5365 cut-off events. For 336/339 co-relation queries the response was YES. Maximal size of possible extension queue 1158. Compared 44947 event pairs, 1245 based on Foata normal form. 127/1514 useless extension candidates. Maximal degree in co-relation 10949. Up to 3316 conditions per place. [2021-04-28 17:34:17,875 INFO L132 encePairwiseOnDemand]: 350/367 looper letters, 28 selfloop transitions, 27 changer transitions 0/78 dead transitions. [2021-04-28 17:34:17,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 78 transitions, 308 flow [2021-04-28 17:34:17,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:34:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:34:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1354 transitions. [2021-04-28 17:34:17,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.737874659400545 [2021-04-28 17:34:17,881 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1354 transitions. [2021-04-28 17:34:17,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1354 transitions. [2021-04-28 17:34:17,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:17,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1354 transitions. [2021-04-28 17:34:17,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 270.8) internal successors, (1354), 5 states have internal predecessors, (1354), 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 17:34:17,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 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 17:34:17,894 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 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 17:34:17,894 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 128 flow. Second operand 5 states and 1354 transitions. [2021-04-28 17:34:17,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 78 transitions, 308 flow [2021-04-28 17:34:17,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 78 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:34:17,904 INFO L241 Difference]: Finished difference. Result has 58 places, 68 transitions, 323 flow [2021-04-28 17:34:17,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=323, PETRI_PLACES=58, PETRI_TRANSITIONS=68} [2021-04-28 17:34:17,904 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -79 predicate places. [2021-04-28 17:34:17,905 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:17,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 68 transitions, 323 flow [2021-04-28 17:34:17,905 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 68 transitions, 323 flow [2021-04-28 17:34:17,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 68 transitions, 323 flow [2021-04-28 17:34:18,423 INFO L129 PetriNetUnfolder]: 2767/5056 cut-off events. [2021-04-28 17:34:18,423 INFO L130 PetriNetUnfolder]: For 1475/4998 co-relation queries the response was YES. [2021-04-28 17:34:18,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14194 conditions, 5056 events. 2767/5056 cut-off events. For 1475/4998 co-relation queries the response was YES. Maximal size of possible extension queue 953. Compared 44853 event pairs, 1276 based on Foata normal form. 7/1486 useless extension candidates. Maximal degree in co-relation 14180. Up to 4355 conditions per place. [2021-04-28 17:34:18,509 INFO L146 LiptonReduction]: Number of co-enabled transitions 1338 [2021-04-28 17:34:20,627 INFO L158 LiptonReduction]: Checked pairs total: 699 [2021-04-28 17:34:20,628 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:20,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2723 [2021-04-28 17:34:20,629 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 68 transitions, 323 flow [2021-04-28 17:34:20,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 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 17:34:20,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:20,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:20,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:34:20,631 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1398718811, now seen corresponding path program 1 times [2021-04-28 17:34:20,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:20,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665421649] [2021-04-28 17:34:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:20,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:20,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:20,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:20,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:20,757 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:34:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:34:20,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:20,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:20,768 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 17:34:20,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665421649] [2021-04-28 17:34:20,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:20,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:34:20,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831754942] [2021-04-28 17:34:20,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:34:20,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:20,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:34:20,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:34:20,772 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 367 [2021-04-28 17:34:20,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 68 transitions, 323 flow. Second operand has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 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 17:34:20,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:20,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 367 [2021-04-28 17:34:20,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:21,613 INFO L129 PetriNetUnfolder]: 2719/5419 cut-off events. [2021-04-28 17:34:21,614 INFO L130 PetriNetUnfolder]: For 2676/25677 co-relation queries the response was YES. [2021-04-28 17:34:21,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20300 conditions, 5419 events. 2719/5419 cut-off events. For 2676/25677 co-relation queries the response was YES. Maximal size of possible extension queue 1344. Compared 50667 event pairs, 267 based on Foata normal form. 186/1822 useless extension candidates. Maximal degree in co-relation 20284. Up to 4682 conditions per place. [2021-04-28 17:34:21,672 INFO L132 encePairwiseOnDemand]: 350/367 looper letters, 20 selfloop transitions, 52 changer transitions 9/104 dead transitions. [2021-04-28 17:34:21,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 104 transitions, 680 flow [2021-04-28 17:34:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:34:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:34:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1898 transitions. [2021-04-28 17:34:21,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7388088750486571 [2021-04-28 17:34:21,680 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1898 transitions. [2021-04-28 17:34:21,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1898 transitions. [2021-04-28 17:34:21,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:21,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1898 transitions. [2021-04-28 17:34:21,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 271.14285714285717) internal successors, (1898), 7 states have internal predecessors, (1898), 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 17:34:21,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 367.0) internal successors, (2936), 8 states have internal predecessors, (2936), 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 17:34:21,694 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 367.0) internal successors, (2936), 8 states have internal predecessors, (2936), 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 17:34:21,694 INFO L185 Difference]: Start difference. First operand has 58 places, 68 transitions, 323 flow. Second operand 7 states and 1898 transitions. [2021-04-28 17:34:21,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 104 transitions, 680 flow [2021-04-28 17:34:21,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 104 transitions, 680 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:34:21,720 INFO L241 Difference]: Finished difference. Result has 67 places, 93 transitions, 660 flow [2021-04-28 17:34:21,720 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=660, PETRI_PLACES=67, PETRI_TRANSITIONS=93} [2021-04-28 17:34:21,720 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -70 predicate places. [2021-04-28 17:34:21,720 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:21,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 93 transitions, 660 flow [2021-04-28 17:34:21,721 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 93 transitions, 660 flow [2021-04-28 17:34:21,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 93 transitions, 660 flow [2021-04-28 17:34:22,259 INFO L129 PetriNetUnfolder]: 1756/4135 cut-off events. [2021-04-28 17:34:22,259 INFO L130 PetriNetUnfolder]: For 18785/36555 co-relation queries the response was YES. [2021-04-28 17:34:22,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17497 conditions, 4135 events. 1756/4135 cut-off events. For 18785/36555 co-relation queries the response was YES. Maximal size of possible extension queue 934. Compared 43044 event pairs, 259 based on Foata normal form. 1/1209 useless extension candidates. Maximal degree in co-relation 17478. Up to 3452 conditions per place. [2021-04-28 17:34:22,410 INFO L146 LiptonReduction]: Number of co-enabled transitions 1694 [2021-04-28 17:34:23,509 INFO L158 LiptonReduction]: Checked pairs total: 1242 [2021-04-28 17:34:23,510 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:23,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1790 [2021-04-28 17:34:23,511 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 93 transitions, 660 flow [2021-04-28 17:34:23,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 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 17:34:23,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:23,512 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 17:34:23,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:34:23,512 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:23,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:23,513 INFO L82 PathProgramCache]: Analyzing trace with hash 387198493, now seen corresponding path program 1 times [2021-04-28 17:34:23,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:23,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243624876] [2021-04-28 17:34:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:23,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:23,646 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:34:23,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:34:23,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:23,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:34:23,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243624876] [2021-04-28 17:34:23,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:23,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:34:23,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771807688] [2021-04-28 17:34:23,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:34:23,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:23,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:34:23,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:34:23,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 367 [2021-04-28 17:34:23,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 93 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 260.8333333333333) internal successors, (1565), 6 states have internal predecessors, (1565), 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 17:34:23,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:23,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 367 [2021-04-28 17:34:23,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:24,495 INFO L129 PetriNetUnfolder]: 1612/3961 cut-off events. [2021-04-28 17:34:24,495 INFO L130 PetriNetUnfolder]: For 8220/90606 co-relation queries the response was YES. [2021-04-28 17:34:24,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20522 conditions, 3961 events. 1612/3961 cut-off events. For 8220/90606 co-relation queries the response was YES. Maximal size of possible extension queue 1038. Compared 41385 event pairs, 6 based on Foata normal form. 175/1253 useless extension candidates. Maximal degree in co-relation 20501. Up to 3377 conditions per place. [2021-04-28 17:34:24,551 INFO L132 encePairwiseOnDemand]: 350/367 looper letters, 5 selfloop transitions, 67 changer transitions 17/112 dead transitions. [2021-04-28 17:34:24,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 112 transitions, 960 flow [2021-04-28 17:34:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:34:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:34:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2424 transitions. [2021-04-28 17:34:24,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7338782924613987 [2021-04-28 17:34:24,560 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2424 transitions. [2021-04-28 17:34:24,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2424 transitions. [2021-04-28 17:34:24,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:24,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2424 transitions. [2021-04-28 17:34:24,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 269.3333333333333) internal successors, (2424), 9 states have internal predecessors, (2424), 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 17:34:24,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 367.0) internal successors, (3670), 10 states have internal predecessors, (3670), 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 17:34:24,578 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 367.0) internal successors, (3670), 10 states have internal predecessors, (3670), 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 17:34:24,579 INFO L185 Difference]: Start difference. First operand has 67 places, 93 transitions, 660 flow. Second operand 9 states and 2424 transitions. [2021-04-28 17:34:24,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 112 transitions, 960 flow [2021-04-28 17:34:25,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 112 transitions, 818 flow, removed 45 selfloop flow, removed 5 redundant places. [2021-04-28 17:34:25,322 INFO L241 Difference]: Finished difference. Result has 73 places, 93 transitions, 700 flow [2021-04-28 17:34:25,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=700, PETRI_PLACES=73, PETRI_TRANSITIONS=93} [2021-04-28 17:34:25,322 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -64 predicate places. [2021-04-28 17:34:25,322 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:25,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 93 transitions, 700 flow [2021-04-28 17:34:25,323 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 93 transitions, 700 flow [2021-04-28 17:34:25,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 93 transitions, 700 flow [2021-04-28 17:34:25,730 INFO L129 PetriNetUnfolder]: 1054/3013 cut-off events. [2021-04-28 17:34:25,730 INFO L130 PetriNetUnfolder]: For 22088/32110 co-relation queries the response was YES. [2021-04-28 17:34:25,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12860 conditions, 3013 events. 1054/3013 cut-off events. For 22088/32110 co-relation queries the response was YES. Maximal size of possible extension queue 945. Compared 33625 event pairs, 9 based on Foata normal form. 1/792 useless extension candidates. Maximal degree in co-relation 12840. Up to 2079 conditions per place. [2021-04-28 17:34:25,806 INFO L146 LiptonReduction]: Number of co-enabled transitions 1618 [2021-04-28 17:34:26,615 INFO L158 LiptonReduction]: Checked pairs total: 1183 [2021-04-28 17:34:26,615 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:26,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1293 [2021-04-28 17:34:26,617 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 93 transitions, 700 flow [2021-04-28 17:34:26,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 260.8333333333333) internal successors, (1565), 6 states have internal predecessors, (1565), 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 17:34:26,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:26,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:26,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:34:26,618 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:26,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:26,619 INFO L82 PathProgramCache]: Analyzing trace with hash 67015103, now seen corresponding path program 1 times [2021-04-28 17:34:26,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:26,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934807577] [2021-04-28 17:34:26,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:26,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:26,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:26,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:26,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:26,720 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:26,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:26,733 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 17:34:26,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934807577] [2021-04-28 17:34:26,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:26,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:34:26,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024090253] [2021-04-28 17:34:26,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:34:26,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:26,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:34:26,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:34:26,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 367 [2021-04-28 17:34:26,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 93 transitions, 700 flow. Second operand has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:34:26,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:26,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 367 [2021-04-28 17:34:26,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:27,346 INFO L129 PetriNetUnfolder]: 1814/5023 cut-off events. [2021-04-28 17:34:27,346 INFO L130 PetriNetUnfolder]: For 37429/54212 co-relation queries the response was YES. [2021-04-28 17:34:27,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21621 conditions, 5023 events. 1814/5023 cut-off events. For 37429/54212 co-relation queries the response was YES. Maximal size of possible extension queue 1557. Compared 59694 event pairs, 5 based on Foata normal form. 35/1355 useless extension candidates. Maximal degree in co-relation 21599. Up to 3564 conditions per place. [2021-04-28 17:34:27,408 INFO L132 encePairwiseOnDemand]: 359/367 looper letters, 9 selfloop transitions, 12 changer transitions 0/103 dead transitions. [2021-04-28 17:34:27,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 103 transitions, 780 flow [2021-04-28 17:34:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:34:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:34:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1200 transitions. [2021-04-28 17:34:27,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6539509536784741 [2021-04-28 17:34:27,480 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1200 transitions. [2021-04-28 17:34:27,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1200 transitions. [2021-04-28 17:34:27,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:27,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1200 transitions. [2021-04-28 17:34:27,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 240.0) internal successors, (1200), 5 states have internal predecessors, (1200), 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 17:34:27,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 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 17:34:27,490 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 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 17:34:27,491 INFO L185 Difference]: Start difference. First operand has 71 places, 93 transitions, 700 flow. Second operand 5 states and 1200 transitions. [2021-04-28 17:34:27,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 103 transitions, 780 flow [2021-04-28 17:34:28,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 103 transitions, 584 flow, removed 41 selfloop flow, removed 8 redundant places. [2021-04-28 17:34:28,789 INFO L241 Difference]: Finished difference. Result has 69 places, 100 transitions, 580 flow [2021-04-28 17:34:28,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=580, PETRI_PLACES=69, PETRI_TRANSITIONS=100} [2021-04-28 17:34:28,789 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -68 predicate places. [2021-04-28 17:34:28,789 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:28,789 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 100 transitions, 580 flow [2021-04-28 17:34:28,790 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 100 transitions, 580 flow [2021-04-28 17:34:28,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 100 transitions, 580 flow [2021-04-28 17:34:29,313 INFO L129 PetriNetUnfolder]: 1955/5468 cut-off events. [2021-04-28 17:34:29,313 INFO L130 PetriNetUnfolder]: For 2829/2932 co-relation queries the response was YES. [2021-04-28 17:34:29,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20166 conditions, 5468 events. 1955/5468 cut-off events. For 2829/2932 co-relation queries the response was YES. Maximal size of possible extension queue 1526. Compared 67481 event pairs, 8 based on Foata normal form. 2/1599 useless extension candidates. Maximal degree in co-relation 20147. Up to 3861 conditions per place. [2021-04-28 17:34:29,423 INFO L146 LiptonReduction]: Number of co-enabled transitions 2038 [2021-04-28 17:34:31,900 INFO L158 LiptonReduction]: Checked pairs total: 1299 [2021-04-28 17:34:31,900 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:31,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3111 [2021-04-28 17:34:31,901 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 100 transitions, 580 flow [2021-04-28 17:34:31,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:34:31,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:31,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:31,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:34:31,902 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:31,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:31,903 INFO L82 PathProgramCache]: Analyzing trace with hash 133685705, now seen corresponding path program 1 times [2021-04-28 17:34:31,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:31,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195886247] [2021-04-28 17:34:31,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:32,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:32,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:32,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:32,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:32,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:32,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:32,014 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:32,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:32,029 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 17:34:32,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195886247] [2021-04-28 17:34:32,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:32,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:34:32,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165637304] [2021-04-28 17:34:32,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:34:32,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:32,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:34:32,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:34:32,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 367 [2021-04-28 17:34:32,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 100 transitions, 580 flow. Second operand has 5 states, 5 states have (on average 237.6) internal successors, (1188), 5 states have internal predecessors, (1188), 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 17:34:32,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:32,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 367 [2021-04-28 17:34:32,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:32,794 INFO L129 PetriNetUnfolder]: 2417/6558 cut-off events. [2021-04-28 17:34:32,794 INFO L130 PetriNetUnfolder]: For 3526/3769 co-relation queries the response was YES. [2021-04-28 17:34:32,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24277 conditions, 6558 events. 2417/6558 cut-off events. For 3526/3769 co-relation queries the response was YES. Maximal size of possible extension queue 2052. Compared 81611 event pairs, 4 based on Foata normal form. 45/1843 useless extension candidates. Maximal degree in co-relation 24256. Up to 4752 conditions per place. [2021-04-28 17:34:32,849 INFO L132 encePairwiseOnDemand]: 360/367 looper letters, 8 selfloop transitions, 4 changer transitions 15/106 dead transitions. [2021-04-28 17:34:32,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 106 transitions, 662 flow [2021-04-28 17:34:32,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:34:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:34:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1438 transitions. [2021-04-28 17:34:32,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6530426884650318 [2021-04-28 17:34:32,855 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1438 transitions. [2021-04-28 17:34:32,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1438 transitions. [2021-04-28 17:34:32,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:32,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1438 transitions. [2021-04-28 17:34:32,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 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 17:34:32,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 367.0) internal successors, (2569), 7 states have internal predecessors, (2569), 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 17:34:32,867 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 367.0) internal successors, (2569), 7 states have internal predecessors, (2569), 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 17:34:32,868 INFO L185 Difference]: Start difference. First operand has 69 places, 100 transitions, 580 flow. Second operand 6 states and 1438 transitions. [2021-04-28 17:34:32,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 106 transitions, 662 flow [2021-04-28 17:34:34,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 106 transitions, 662 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:34:34,431 INFO L241 Difference]: Finished difference. Result has 75 places, 89 transitions, 508 flow [2021-04-28 17:34:34,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=508, PETRI_PLACES=75, PETRI_TRANSITIONS=89} [2021-04-28 17:34:34,431 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -62 predicate places. [2021-04-28 17:34:34,431 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:34,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 89 transitions, 508 flow [2021-04-28 17:34:34,432 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 89 transitions, 508 flow [2021-04-28 17:34:34,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 89 transitions, 508 flow [2021-04-28 17:34:34,653 INFO L129 PetriNetUnfolder]: 464/2421 cut-off events. [2021-04-28 17:34:34,653 INFO L130 PetriNetUnfolder]: For 1384/1412 co-relation queries the response was YES. [2021-04-28 17:34:34,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8744 conditions, 2421 events. 464/2421 cut-off events. For 1384/1412 co-relation queries the response was YES. Maximal size of possible extension queue 796. Compared 32499 event pairs, 7 based on Foata normal form. 0/739 useless extension candidates. Maximal degree in co-relation 8722. Up to 1494 conditions per place. [2021-04-28 17:34:34,693 INFO L146 LiptonReduction]: Number of co-enabled transitions 1454 [2021-04-28 17:34:35,917 INFO L158 LiptonReduction]: Checked pairs total: 2051 [2021-04-28 17:34:35,918 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 17:34:35,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1487 [2021-04-28 17:34:35,919 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 89 transitions, 513 flow [2021-04-28 17:34:35,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.6) internal successors, (1188), 5 states have internal predecessors, (1188), 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 17:34:35,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:35,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:34:35,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:34:35,920 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:35,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:35,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1387470438, now seen corresponding path program 1 times [2021-04-28 17:34:35,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:35,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581395042] [2021-04-28 17:34:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:35,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:35,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:36,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:36,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:36,018 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 17:34:36,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581395042] [2021-04-28 17:34:36,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:36,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:34:36,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103458234] [2021-04-28 17:34:36,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:34:36,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:36,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:34:36,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:34:36,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 368 [2021-04-28 17:34:36,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 89 transitions, 513 flow. Second operand has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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 17:34:36,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:36,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 368 [2021-04-28 17:34:36,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:36,600 INFO L129 PetriNetUnfolder]: 1008/4529 cut-off events. [2021-04-28 17:34:36,601 INFO L130 PetriNetUnfolder]: For 2760/2814 co-relation queries the response was YES. [2021-04-28 17:34:36,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16527 conditions, 4529 events. 1008/4529 cut-off events. For 2760/2814 co-relation queries the response was YES. Maximal size of possible extension queue 1377. Compared 63203 event pairs, 3 based on Foata normal form. 29/1401 useless extension candidates. Maximal degree in co-relation 16503. Up to 2925 conditions per place. [2021-04-28 17:34:36,636 INFO L132 encePairwiseOnDemand]: 360/368 looper letters, 7 selfloop transitions, 10 changer transitions 6/97 dead transitions. [2021-04-28 17:34:36,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 97 transitions, 596 flow [2021-04-28 17:34:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:34:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:34:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1053 transitions. [2021-04-28 17:34:36,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5722826086956522 [2021-04-28 17:34:36,641 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1053 transitions. [2021-04-28 17:34:36,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1053 transitions. [2021-04-28 17:34:36,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:36,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1053 transitions. [2021-04-28 17:34:36,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.6) internal successors, (1053), 5 states have internal predecessors, (1053), 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 17:34:36,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 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 17:34:36,651 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 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 17:34:36,651 INFO L185 Difference]: Start difference. First operand has 72 places, 89 transitions, 513 flow. Second operand 5 states and 1053 transitions. [2021-04-28 17:34:36,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 97 transitions, 596 flow [2021-04-28 17:34:37,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 577 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-28 17:34:37,509 INFO L241 Difference]: Finished difference. Result has 74 places, 90 transitions, 544 flow [2021-04-28 17:34:37,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=544, PETRI_PLACES=74, PETRI_TRANSITIONS=90} [2021-04-28 17:34:37,509 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -63 predicate places. [2021-04-28 17:34:37,509 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:37,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 90 transitions, 544 flow [2021-04-28 17:34:37,510 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 90 transitions, 544 flow [2021-04-28 17:34:37,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 90 transitions, 544 flow [2021-04-28 17:34:37,831 INFO L129 PetriNetUnfolder]: 979/3864 cut-off events. [2021-04-28 17:34:37,831 INFO L130 PetriNetUnfolder]: For 2290/2295 co-relation queries the response was YES. [2021-04-28 17:34:37,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13888 conditions, 3864 events. 979/3864 cut-off events. For 2290/2295 co-relation queries the response was YES. Maximal size of possible extension queue 1167. Compared 51877 event pairs, 2 based on Foata normal form. 0/1139 useless extension candidates. Maximal degree in co-relation 13866. Up to 2493 conditions per place. [2021-04-28 17:34:37,895 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-28 17:34:38,821 INFO L158 LiptonReduction]: Checked pairs total: 927 [2021-04-28 17:34:38,821 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:34:38,822 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1313 [2021-04-28 17:34:38,823 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 90 transitions, 544 flow [2021-04-28 17:34:38,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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 17:34:38,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:38,824 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 17:34:38,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 17:34:38,824 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:38,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:38,825 INFO L82 PathProgramCache]: Analyzing trace with hash -545229456, now seen corresponding path program 1 times [2021-04-28 17:34:38,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:38,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421274657] [2021-04-28 17:34:38,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:34:38,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:38,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:34:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:34:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:34:38,892 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:34:38,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:34:38,906 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 17:34:38,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421274657] [2021-04-28 17:34:38,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:34:38,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:34:38,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089728145] [2021-04-28 17:34:38,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:34:38,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:34:38,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:34:38,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:34:38,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 368 [2021-04-28 17:34:38,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 90 transitions, 544 flow. Second operand has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 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 17:34:38,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:34:38,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 368 [2021-04-28 17:34:38,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:34:39,375 INFO L129 PetriNetUnfolder]: 1093/4556 cut-off events. [2021-04-28 17:34:39,375 INFO L130 PetriNetUnfolder]: For 2861/2945 co-relation queries the response was YES. [2021-04-28 17:34:39,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16331 conditions, 4556 events. 1093/4556 cut-off events. For 2861/2945 co-relation queries the response was YES. Maximal size of possible extension queue 1299. Compared 62704 event pairs, 2 based on Foata normal form. 33/1451 useless extension candidates. Maximal degree in co-relation 16307. Up to 2871 conditions per place. [2021-04-28 17:34:39,403 INFO L132 encePairwiseOnDemand]: 361/368 looper letters, 5 selfloop transitions, 4 changer transitions 45/93 dead transitions. [2021-04-28 17:34:39,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 602 flow [2021-04-28 17:34:39,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:34:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:34:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1261 transitions. [2021-04-28 17:34:39,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5711050724637681 [2021-04-28 17:34:39,409 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1261 transitions. [2021-04-28 17:34:39,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1261 transitions. [2021-04-28 17:34:39,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:34:39,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1261 transitions. [2021-04-28 17:34:39,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.16666666666666) internal successors, (1261), 6 states have internal predecessors, (1261), 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 17:34:39,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 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 17:34:39,418 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 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 17:34:39,418 INFO L185 Difference]: Start difference. First operand has 73 places, 90 transitions, 544 flow. Second operand 6 states and 1261 transitions. [2021-04-28 17:34:39,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 602 flow [2021-04-28 17:34:40,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 93 transitions, 588 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-04-28 17:34:40,303 INFO L241 Difference]: Finished difference. Result has 78 places, 48 transitions, 256 flow [2021-04-28 17:34:40,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=256, PETRI_PLACES=78, PETRI_TRANSITIONS=48} [2021-04-28 17:34:40,304 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -59 predicate places. [2021-04-28 17:34:40,304 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:34:40,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 48 transitions, 256 flow [2021-04-28 17:34:40,304 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 48 transitions, 256 flow [2021-04-28 17:34:40,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 48 transitions, 256 flow [2021-04-28 17:34:40,326 INFO L129 PetriNetUnfolder]: 101/308 cut-off events. [2021-04-28 17:34:40,326 INFO L130 PetriNetUnfolder]: For 331/336 co-relation queries the response was YES. [2021-04-28 17:34:40,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 308 events. 101/308 cut-off events. For 331/336 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 1839 event pairs, 2 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 908. Up to 118 conditions per place. [2021-04-28 17:34:40,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 332 [2021-04-28 17:34:41,208 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 161 [2021-04-28 17:34:41,453 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-04-28 17:34:43,983 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 330 DAG size of output: 228 [2021-04-28 17:34:44,525 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-04-28 17:34:44,627 INFO L158 LiptonReduction]: Checked pairs total: 379 [2021-04-28 17:34:44,627 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 17:34:44,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4323 [2021-04-28 17:34:44,629 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 261 flow [2021-04-28 17:34:44,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 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 17:34:44,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:34:44,629 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 17:34:44,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 17:34:44,630 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:34:44,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:34:44,630 INFO L82 PathProgramCache]: Analyzing trace with hash 610860448, now seen corresponding path program 1 times [2021-04-28 17:34:44,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:34:44,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824251873] [2021-04-28 17:34:44,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:34:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:34:44,686 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:34:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:34:44,750 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:34:44,791 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 17:34:44,791 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 17:34:44,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 17:34:44,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 05:34:44 BasicIcfg [2021-04-28 17:34:44,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 17:34:44,898 INFO L168 Benchmark]: Toolchain (without parser) took 80554.52 ms. Allocated memory was 304.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 277.3 MB in the beginning and 1.1 GB in the end (delta: -798.1 MB). Peak memory consumption was 237.5 MB. Max. memory is 16.0 GB. [2021-04-28 17:34:44,899 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 304.1 MB. Free memory was 272.6 MB in the beginning and 272.5 MB in the end (delta: 60.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 17:34:44,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.36 ms. Allocated memory is still 304.1 MB. Free memory was 274.1 MB in the beginning and 269.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. [2021-04-28 17:34:44,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.99 ms. Allocated memory is still 304.1 MB. Free memory was 269.2 MB in the beginning and 266.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:34:44,900 INFO L168 Benchmark]: Boogie Preprocessor took 84.81 ms. Allocated memory is still 304.1 MB. Free memory was 266.3 MB in the beginning and 263.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:34:44,900 INFO L168 Benchmark]: RCFGBuilder took 2749.57 ms. Allocated memory was 304.1 MB in the beginning and 375.4 MB in the end (delta: 71.3 MB). Free memory was 263.8 MB in the beginning and 260.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 101.8 MB. Max. memory is 16.0 GB. [2021-04-28 17:34:44,900 INFO L168 Benchmark]: TraceAbstraction took 76755.04 ms. Allocated memory was 375.4 MB in the beginning and 1.3 GB in the end (delta: 962.6 MB). Free memory was 260.6 MB in the beginning and 1.1 GB in the end (delta: -814.8 MB). Peak memory consumption was 147.8 MB. Max. memory is 16.0 GB. [2021-04-28 17:34:44,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 304.1 MB. Free memory was 272.6 MB in the beginning and 272.5 MB in the end (delta: 60.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 786.36 ms. Allocated memory is still 304.1 MB. Free memory was 274.1 MB in the beginning and 269.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 121.99 ms. Allocated memory is still 304.1 MB. Free memory was 269.2 MB in the beginning and 266.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 84.81 ms. Allocated memory is still 304.1 MB. Free memory was 266.3 MB in the beginning and 263.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2749.57 ms. Allocated memory was 304.1 MB in the beginning and 375.4 MB in the end (delta: 71.3 MB). Free memory was 263.8 MB in the beginning and 260.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 101.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 76755.04 ms. Allocated memory was 375.4 MB in the beginning and 1.3 GB in the end (delta: 962.6 MB). Free memory was 260.6 MB in the beginning and 1.1 GB in the end (delta: -814.8 MB). Peak memory consumption was 147.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45379.1ms, 108 PlacesBefore, 137 PlacesAfterwards, 100 TransitionsBefore, 128 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 9 FixpointIterations, 172 TrivialSequentialCompositions, 90 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 264 TotalNumberOfCompositions, 17269 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4123, positive: 3827, positive conditional: 3827, positive unconditional: 0, negative: 296, negative conditional: 296, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1996, positive: 1933, positive conditional: 0, positive unconditional: 1933, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1996, positive: 1933, positive conditional: 0, positive unconditional: 1933, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1996, positive: 1921, positive conditional: 0, positive unconditional: 1921, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1270, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 1231, negative conditional: 0, negative unconditional: 1231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4123, positive: 1894, positive conditional: 1894, positive unconditional: 0, negative: 233, negative conditional: 233, negative unconditional: 0, unknown: 1996, unknown conditional: 1996, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1995, Positive cache size: 1932, Positive conditional cache size: 1932, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 960.8ms, 133 PlacesBefore, 73 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1984 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 472, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 158, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 158, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 936, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 936, negative conditional: 0, negative unconditional: 936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 472, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 158, unknown conditional: 158, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2153, Positive cache size: 2068, Positive conditional cache size: 2068, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.0ms, 74 PlacesBefore, 50 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 415 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 33, positive conditional: 4, positive unconditional: 29, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 33, positive conditional: 4, positive unconditional: 29, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 7, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 107, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2189, Positive cache size: 2101, Positive conditional cache size: 2101, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 156.1ms, 52 PlacesBefore, 52 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 118, negative conditional: 114, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2196, Positive cache size: 2105, Positive conditional cache size: 2105, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.5ms, 53 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 411 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 140, negative conditional: 140, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2202, Positive cache size: 2109, Positive conditional cache size: 2109, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2722.8ms, 58 PlacesBefore, 58 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1338 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 699 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 398, positive: 383, positive conditional: 383, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 75, positive conditional: 39, positive unconditional: 36, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77, positive: 75, positive conditional: 39, positive unconditional: 36, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 77, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 398, positive: 308, positive conditional: 308, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2279, Positive cache size: 2184, Positive conditional cache size: 2184, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1788.8ms, 67 PlacesBefore, 67 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1242 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 599, positive: 578, positive conditional: 578, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 99, positive conditional: 83, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 101, positive: 99, positive conditional: 83, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 101, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 599, positive: 479, positive conditional: 479, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 101, unknown conditional: 101, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2380, Positive cache size: 2283, Positive conditional cache size: 2283, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1292.2ms, 73 PlacesBefore, 71 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1183 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1005, positive: 984, positive conditional: 984, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 128, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 128, positive: 128, positive conditional: 0, positive unconditional: 128, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1005, positive: 856, positive conditional: 856, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2508, Positive cache size: 2411, Positive conditional cache size: 2411, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3110.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 2038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1299 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 20, positive conditional: 19, positive unconditional: 1, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 20, positive conditional: 19, positive unconditional: 1, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 9, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 146, positive: 104, positive conditional: 104, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2531, Positive cache size: 2431, Positive conditional cache size: 2431, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1485.8ms, 75 PlacesBefore, 72 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1454 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2051 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 435, positive: 397, positive conditional: 397, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, positive: 81, positive conditional: 62, positive unconditional: 19, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 83, positive: 81, positive conditional: 62, positive unconditional: 19, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 83, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 435, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2614, Positive cache size: 2512, Positive conditional cache size: 2512, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1311.6ms, 74 PlacesBefore, 73 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 927 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 123, negative conditional: 123, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2616, Positive cache size: 2512, Positive conditional cache size: 2512, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4323.2ms, 78 PlacesBefore, 62 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 379 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 226, positive: 208, positive conditional: 208, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 17, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 17, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 226, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2641, Positive cache size: 2536, Positive conditional cache size: 2536, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L729] 0 int z = 0; [L730] 0 _Bool z$flush_delayed; [L731] 0 int z$mem_tmp; [L732] 0 _Bool z$r_buff0_thd0; [L733] 0 _Bool z$r_buff0_thd1; [L734] 0 _Bool z$r_buff0_thd2; [L735] 0 _Bool z$r_buff0_thd3; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$read_delayed; [L741] 0 int *z$read_delayed_var; [L742] 0 int z$w_buff0; [L743] 0 _Bool z$w_buff0_used; [L744] 0 int z$w_buff1; [L745] 0 _Bool z$w_buff1_used; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L853] 0 pthread_t t266; [L854] FCALL, FORK 0 pthread_create(&t266, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 pthread_t t267; [L856] FCALL, FORK 0 pthread_create(&t267, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] 0 pthread_t t268; [L858] FCALL, FORK 0 pthread_create(&t268, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 3 z$w_buff1 = z$w_buff0 [L801] 3 z$w_buff0 = 1 [L802] 3 z$w_buff1_used = z$w_buff0_used [L803] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L805] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 z$flush_delayed = weak$$choice2 [L815] 3 z$mem_tmp = z [L816] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L816] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L816] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L817] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L817] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L818] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L818] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L819] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L819] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L820] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L821] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L822] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 __unbuffered_p2_EAX = z [L824] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L824] 3 z = z$flush_delayed ? z$mem_tmp : z [L825] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 a = 1 [L754] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 x = 1 [L769] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 z$flush_delayed = weak$$choice2 [L778] 2 z$mem_tmp = z [L779] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L779] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L780] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L780] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0) [L780] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L780] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L781] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L781] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1) [L781] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L781] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L782] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L782] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used) [L782] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L782] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L783] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L784] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2) [L784] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L784] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L785] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = z [L787] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L787] 2 z = z$flush_delayed ? z$mem_tmp : z [L788] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L831] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L832] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L832] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L833] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L833] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L834] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L834] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L835] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L835] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L838] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 3 return 0; [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L864] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L864] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L865] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L865] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L866] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L866] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L867] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L868] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L868] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L871] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 102 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 76475.4ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 11756.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45504.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 97 SDtfs, 100 SDslu, 50 SDs, 0 SdLazy, 387 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 602.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 278.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=7, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 51.2ms SsaConstructionTime, 516.1ms SatisfiabilityAnalysisTime, 843.8ms InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 1094 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...